Graph the inequality on your scrap paper. Enter the inequality here. The temperature t was below 20 ° C.​

Answers

Answer 1

The graph of the inequality t < 20 is given by the image presented at the end of the answer.

What are the inequality symbols?

The four inequality symbols, along with their meaning, are presented as follows:

> x: greater than x.< x: less than x.≥ x: at least x.≤ at most x.

A temperature below 20 ºC means that the temperature was less than 20ºC, hence the inequality is:

t < 20.

The graph is composed by the numbers to the left of t = 20, with an open interval at t = 20.

More can be learned about inequalities at brainly.com/question/25275758

#SPJ1

Graph The Inequality On Your Scrap Paper. Enter The Inequality Here. The Temperature T Was Below 20 C.

Related Questions

What is (f- g)(x)?
f(x)= x¹ - x² +9
g(x) = x³ + 3x² + 12
Enter your answer in standard form in the box.
(f-g)(x) =

Answers

The value of the function (f-g)(x)=[tex]x-4x^{2} -x^{3} -3[/tex].

What is a function?

A function is defined as the relationship between input and output, where each input has exactly one output. The inputs are the elements in the domain and the outputs are elements in the co-domain.

f(x)= x¹ - x² +9

g(x) = x³ + 3x² + 12

To find (f-g)(x):

The operations on functions are as easy as the operations on numbers or polynomials.

We have to subtract the functions to find the above mentioned operation.

(f-g) (x)= f(x)-g(x)

          = (x¹ - x² +9)-(x³ + 3x² + 12)

The minus will change the signs of function g.

          = [tex]x-x^{2} +9-x^{3}-3x^{2} -12[/tex]

          =[tex]x-4x^{2} -x^{3} -3[/tex]

Hence, the value of the function (f-g)(x)=[tex]x-4x^{2} -x^{3} -3[/tex]

Learn more about functions here:

https://brainly.com/question/29631554

#SPJ9

A redwood tree casts a shadow that is 8 meters long. A carpool lane sign near the redwood
tree casts a shadow that is 4 meters long. If the redwood tree is 6 meters tall, how tall is the
carpool lane sign?

Answers

Answer:

Hey bro, solving this would be relatively simple. If the Redwood tree is 6 meters tall, then the height of the carpool lane sign can be easily calculated using similar triangles. Using the lengths of their respective shadows, the carpool lane sign should be 3 meters tall, because the ratio between the height of the Redwood tree and the carpool lane sign, is the same ratio as between their respective shadows (8 to 4). The based way to solve this problem would be to measure the length of the shadows, and then use the ratio to calculate the height of the carpool lane sign.

Answer:

You need to set up the problem to solve for X. X = how tall is the tree? Set up your problem in this fashion. Set up the formula then arrange to solve for X. X/9 (shadow of the tree) = 15 (how tall the building is)/6 (shadow of building) X= 15/6 * 9 To get X alone, you need to move 9 to the other side of the equation. multiply by 9 on each side. For X side, this nullifies 9 and gets 9 to the other side. X= 2.5*9 You have divided 15 by 6, now multiply by 9 to get final answer for X X=22.5 meters The tree is 22.5 meters tall.

Step-by-step explanation:

If this is not.. right ill do another answer!!

Consider the following equation.

4−2y=8−2x
Step 1 of 2 : Find the x- and y-intercepts, if possible.

Answers

The x-intercept is (2, 0) and the y-intercept is (0, -2).

What is Intercept?

An intercept in mathematics is a location on the y-axis through which the line's slope passes. It is a place on the y-axis where a straight line or a curve crosses. This is reflected in the equation for a line, which is written as y = mx+c, where m denotes slope and c denotes the y-intercept.

We have the Equation: 4−2y=8−2x

To find the x-intercept, we set y = 0

4 - 2(0) = 8- 2x

4 = 8 -2x

2x = 8-4

2x = 4

x = 2

and, For y-intercept we set x= 0

4 - 2y = 8- 2(0)

4- 2y = 8

-2y = 4

y= -2

Learn more about intercept here:

https://brainly.com/question/29113022

#SPJ1

Lemon disinfectant is mixed 4 oz to one gallon. How many lemon disinfectant needs to be added to 6 gallons of water?

Answers

Answer:

If the ratio of lemon disinfectant to water is 4 oz to one gallon, then we can say that for each gallon of water, we need 4 oz of lemon disinfectant. To find how much lemon disinfectant is needed for 6 gallons of water, we can multiply the amount needed for one gallon by the number of gallons:

4 oz/gallon * 6 gallons = 24 oz

Therefore, we need 24 oz of lemon disinfectant to be added to 6 gallons of water.

Step-by-step explanation:

Answer:

Given: x * 4 oz = 6 gallons.

First, multiply 4 oz and x:

4x = 6 gallons.

Then convert 6 gallons to oz:

4x = 768 oz.

Then divide both sides by 4:

x = 192.

statistics is the science of average - elucidate this statement

Answers

Answer:

The average of all the data is calculated in statistics. 

However, statistics is a field that goes beyond average and is not a complete science of it. 

There are other additional statistical tools. 

which explains how statistics is an extension of mathematics.

Avery had $25.83 in her wallet. If she bought lunch with 7 3/4 dollars from her wallet, how much money did she have in her wallet after lunch?

Answers

Answer: $ 18.08

Step-by-step explanation:

Given: Money in wallet = $25.83

Given: Money spent = $7.75

To find: Money left in the wallet after lunch = money in the wallet - money spent

                                                                     = $(25.83-7.75)

                                                                     = $ 18.08

Dave Drinks a 12-ounce cup of coffee each morning on his way to work. This cup of coffee contains 136 mg of caffeine.
The caffeine in his system decreases about 40% every hour.

Answers

Function to calculate amount of coffee in Dave's system after x hours

= y = 135(0.6)ˣ

What is exponential expression?

An exponential function is a Mathematical function in the form f (x) = aˣ, where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0. The most commonly used exponential function base is the transcendental number e, which is approximately equal to.

Given,

Dave drinks 12-ounce cup of coffee each morning

One cup has 136 mg of caffeine

caffeine in his system decreases about 40% every hour
In x hours,

Amount of caffeine in his system

y = a(1 - 40/100)ˣ

or

y = 136(1-0.4)ˣ

y = 135(0.6)ˣ

Hence, y = 135(0.6)ˣ is the function to calculate amount of caffeine in system of Dave after x hours.

Learn more about exponential function here:

https://brainly.com/question/14355665

#SPJ9

How would a scale factor of 0.25 be used to determine the lengths of the original figure?
A) The scale factor is added to the scale figure’s lengths.
B)The scale factor is subtracted from the scale figure’s lengths.
C) The scale factor is multiplied by the scale figure’s lengths.
D) The scale factor is divided into the scale figure’s lengths.

Answers

Answer:

The correct answer is C) The scale factor is multiplied by the scale figure's lengths.

When using a scale factor, you are typically working with a "scale figure," which is a smaller or larger version of the original figure. To determine the lengths of the original figure using a scale factor of 0.25, you would multiply each length of the scale figure by 0.25.

For example, if the scale figure has a length of 8 units, you would multiply 8 by 0.25 to get 2, which would be the corresponding length of the original figure. So if the original figure was four times larger than the scale figure, it would have a length of 32 units (4 times 8).

Therefore, when using a scale factor to determine the lengths of an original figure, you need to multiply each length of the scale figure by the scale factor to get the corresponding length of the original figure.

Step-by-step explanation:

) Reemplazar una obligación de $4.000.000 que vence en el mes 7, por tres pagos iguales, uno hoy, otro en el mes 10 y el final en el mes 15, considerando un interés del 10% Efectivo Semestral.

Answers

Three equal payments of $1,468834.26 made today, in month 10, and in month 15, with 5% semiannual interest, will be sufficient to cover the debt of $4,000,000 that matures in month 7.

What is the semiannual interest rate

To replace the obligation of $4,000,000 that matures in month 7, we need to calculate the size of three equal payments that can be made today, in month 10, and in month 15, that will cover the debt with interest.

First, we need to determine the semiannual interest rate. The annual interest rate is 10%, so the semiannual interest rate is 5% (10%/2).

Next, we can use the present value formula to calculate the size of the equal payments:

PV = PMT * [(1 - (1 + r)^-n) / r]

where PV is the present value of the debt, PMT is the size of the equal payments, r is the semiannual interest rate, and n is the number of semiannual periods.

Since the debt matures in month 7, which is the end of the sixth month, and the payments will be made today (month 0), in month 10 (the end of the ninth month), and in month 15 (the end of the fourteenth month), we have three semiannual periods to consider.

Using the values we have, we can substitute them into the formula:

PV = $4,000,000

r = 5%

n = 3

$4,000,000 = PMT * [(1 - (1 + 5%)^-3) / 5%]

Solving for PMT, we get:PMT = $1,468834.26

Learn more on present value here;

https://brainly.com/question/20813161

#SPJ1

Translation:

Replace an obligation of $4,000,000 that matures in month 7, by three equal payments, one today, another in month 10 and the final one in month 15, considering an interest of 10% Cash Semiannual.

Please answer both!! I’ll give brainlest to first!!!

Answers

Let's call the amount of water in the first pool "x" and the amount of water in the second pool "y". We know that:x = 582 + 20.25t (where t is the time in minutes)

y = 44.5tWe want to find the time "t" at which x = y, so we can set the two equations equal to each other:582 + 20.25t = 44.5t

Expanding the second equation and solving for t, we get:582 = 24.25t

t = 582 ÷ 24.25 = 24 minutes

So, after 24 minutes, the two pools will have the same amount of water.

To find out how much water will be in each pool, we can plug this value of t back into the first equation:x = 582 + 20.25t = 582 + 20.25(24) = 582 + 485 = 1067 liters

y = 44.5t = 44.5(24) = 1067 liters

So, both pools will contain 1067 liters of water.

Answer:

Below

Step-by-step explanation:

First pool starts with 582 and adds  20.25 * m        m = minutes

Volume1 = 582 + 20.25 m

Volume 2 = 44.5 m

At what 'm' are they equal ?

582 + 20.25 m       =      44.5 m       subtract 20.25 m from both sides to get

582 = 24.25 m       divide both sides of the equation by 24.25

m = 24 minutes      <=====use this value in either equation to find the volume          volume2 = 44.5 * 24 = 1060 gallons

In ΔFCE, the ratio of ∠F to ∠C is 2:5. The measure of ∠E is one hundred ten degrees more than the sum of the measures of ∠F and ∠C. What is the measure of each angle in ΔFCE?

Answers

Answer:70

Step-by-step explanation:

Given: <f and <c ratio 2:5

To find: <f and <c

Solution: 2x+5n=180' minus 110'

7n=70'

x=10'

<f= 2x10=20'

<e= 5x10=50'

The sum of <F and <E

= 20'+50'=70'

Write down the first two terms (and the error term) in the Taylor series expansion of f(h) = ln(3 - 2h) around h = 0, The error term should involve a mysterious unknown constant xi. There's no way to determine xi from the information given here: in practice, if you were to evaluate your Taylor expansion at, say, h =, you would know that xi elementof (0, 4) and you could get bounds on the error by bounding the derivatives of f(h) on this interval.

Answers

The Taylor series expansion of f(h) = ln(3 - 2h) around h = 0 is given by:

f(h) = f(0) + f'(0)h + R(h)

where f(0) = ln(3), f'(0) = -2/3, and R(h) is the remainder term.

To find the remainder term, we need to take the higher-order derivatives of f(h) and evaluate them at h = 0. We have:

f''(h) = 4/(3(3 - 2h))^2, f'''(h) = -32/(3(3 - 2h))^3, and so on.

Evaluating these at h = 0, we get f''(0) = 4/9 and f'''(0) = -32/27.

Thus, the remainder term can be expressed as:

R(h) = (1/2)f''(xi)h^2 = (1/2)(4/9)(xi)^2h^2 = (2/9)(xi)^2h^2

where xi is some unknown constant between 0 and 4.

Therefore, the first two terms in the Taylor series expansion of f(h) are:

ln(3) - (2/3)h

and the remainder term involves the unknown constant xi, given by R(h) = (2/9)(xi)^2h^2.

For more questions like Taylor series click the link below:

https://brainly.com/question/1548794

#SPJ4

√6/√3 I’m struggling on this question this symbol / means divide

Answers

Answer:

√2

Step-by-step explanation:

√3 x√2/√3 =√2

Answer:

 [tex]\sqrt{2}[/tex]

explanation:

[tex]\frac{\sqrt{6} }{\sqrt{3} }[/tex]

= [tex]\sqrt{2}[/tex]

(Decimal: 1.414214)

I need help please this question makes no sence to me and I keep getting it wrong

Answers

In a parallelogram, the consecutive angles are supplementary (add up to 180 degrees). x can represent the first angle, and 4x can represent the second angle. With this information you can create the equation x + 4x = 180 and solve.

5x = 180

x = 36

So the measure of the first angle is 36 degrees, and the one that is 4 times larger is 144 degrees.


An airplane fies 3,780 miles in 7.5 hours. What is the speed of the airplane in miles per hour? Use the equation d=rt, where d is distance, r is rate, and t is time.
The airplane's speed ismiles per hour.

Answers

Answer:

504

Step-by-step explanation:

3780÷7.5=504

504 mph because 504 x 7.5 = 3780

Please give good review. :)

What is the correct sequence of steps for calculating 96 on a scientific calculator?

Answers

First press button 9, then press the button on which the (^) sign is mentioned. Then button press 6. Then the value you get is 531,441.

What is the value of the expression?

At the point when the important parts and fundamental cycles of a mathematical technique are given qualities, the articulation's outcome is the consequence of the calculation it portrays.

The meaning of straightforwardness is simplifying something to accomplish or get a handle on while likewise making it somewhat less troublesome.

The expression is given below.

⇒ 9⁶

First press button 9, then press the button on which the (^) sign is mentioned. Then button press 6.

The value of the exponent numerical expression 9⁶ will be 531,441.

More about the value of the expression link is given below.

https://brainly.com/question/23671908

#SPJ9

The correct question is given below.

What is the correct sequence of steps for calculating 9⁶ on a scientific calculator?

For each sequence, create an input-output table with the figure number and the number of tiles in each figure for 1 ≤ n ≤ 10. Figure Number, n 1 2 3 4 5 6 7 8 9 10 Total Number of tiles in Sequence I, T 10 12 14 16 18 20 22 24 26 28 Total Number of tiles in Sequence II, T 5 8 11 14 17 20 23 26 29 32

Answers

Answer:

Here is the input-output table for Sequence I:

Figure Number, n | Total Number of Tiles, T

1 | 10

2 | 12

3 | 14

4 | 16

5 | 18

6 | 20

7 | 22

8 | 24

9 | 26

10 | 28

And here is the input-output table for Sequence II:

Figure Number, n | Total Number of Tiles, T

1 | 5

2 | 8

3 | 11

4 | 14

5 | 17

6 | 20

7 | 23

8 | 26

9 | 29

10 | 32

2. Assume a firm operating in a purely competitive market has a constant selling price of
GH 60, a fixed cost of GH¢450 and a variable cost of GH¢35 an item. Derive;
a)
b)
c)
The total revenue function.
The total cost function.
The profit function.

Answers

The total revenue function is 60x.

The total cost function is 35x + 450.

The profit function is 25x - 450.

How derive the total revenue function, the total cost function and thee profit function?

Since we have a constant selling price of GH 60, a fixed cost of GH¢450 and a variable cost of GH¢35 an item.

Let x be the number of items

Total revenue function =  constant selling price * x

Total revenue function = 60x

Total Cost Function = Variable cost + Fixed cost

Total Cost Function = 35x + 450

Profit function = Total revenue function - Cost function

Profit function = 60x - (35x + 450)

Profit function = 60x - 35x - 450

Profit function = 25x - 450

Learn more about profit function on:

brainly.com/question/25638609

#SPJ1

Decide if each is a measurement of length, area, volume, or weight (or mass).

How many centimeters across a handprint

How many square inches of paper needed to wrap a box

How many gallons of water in a fish tank

How many pounds in a bag of potatoes

How many feet across a swimming pool

How many ounces in a bag of grapes

How many liters in a punch bowl

How many square feet of grass in a lawn

Answers

1) handprint - length
2) paper - area
3) fish tank - volume
4) potato’s - weight
5) swimming pool - length
6) grapes - weight
7) punch bowl - volume
8) lawn - area

Answer:

Step-by-step explanation:

1. measurement of length

2. measurement of area

3. measurement of volume

4. measurement of weight

5. measurement of length

6. measurement of weight

7.measurement of volume

8. measurement of area

Name the line of reflection that maps each pre-image to its image.

Answers

Answer: X axis , Y axis , y=-2

Step-by-step explanation:

The critical points of a rational inequality are –1, 3, and 4. Which set of points can be tested to find a complete solution to the inequality? x = 1 and x = 3.5 x = –1, x = 3, and x = 4 x = –2, x = 2, and x = 5 x = –3, x = 1, x = 3.5, and x = 5

Answers

The possible set of inequalities are;

x = -3,

x = -1,

x = 1,

x = 3,

x = 5.

What are inequalities?

Inequalities are the comparison of mathematical expressions, whether one quantity is greater or smaller in comparison to another quantity.

We use these symbols to represent inequalities, '>' , '<', '≥', '≤'

The critical points of a rational inequality are the x-values at which the inequality changes direction (from "<" to ">" or vice versa). In this case, the critical points are -1, 3, and 4.

To find the complete solution to the inequality, we need to test points on either side of the critical points. For example, if we test a value less than -1, such as -2, and find that it satisfies the inequality, then all values less than -1 also satisfy the inequality. On the other hand, if a value less than -1 does not satisfy the inequality, then no values less than -1 satisfy the inequality.

Therefore, a complete solution to the inequality can be found by testing values around each critical point. A common set of points to test for this purpose is the critical points themselves, and values just less than and just greater than each critical point.

So, a possible set of points to test to find the complete solution to the inequality is:

x = -3,

x = -1,

x = 1,

x = 3,

x = 5.

These points bracket the critical values and allow us to determine which intervals of values satisfy the inequality.

To know more about Inequalities check:

https://brainly.com/question/30228778

#SPJ9

YZ = 9, LM = 3, MN = 2, and the measure of angle Z = 100 degrees. What additional information is needed to prove the triangles are similar by SAS?

Answers

The additional piece of information needed to prove that ΔLKN ~ ΔKNM by the SAS similarity theorem is; MN/LK||MN.

What is SAS (Side-Angle-Side) similarity theorem?

The SAS (Side-Angle-Side) similarity theorem states that if two triangles have two pairs of corresponding sides that are in proportion, and the included angles are congruent, then the triangles are similar.

In this case, we are given that ΔLKN and ΔKNM share the angle at vertex K, and we know that LN/MN and LK/KN are in proportion.

However, we need to establish that MN/LK||MN, that means MN is parallel to LK and forms a transversal with LN.

This information is necessary to establish that the included corresponding sides are congruent, which is required for the triangles to be similar.

Therefore, the additional piece of information needed to prove that ΔLKN ~ ΔKNM by the SAS similarity theorem.

Learn more about similar triangles here:

brainly.com/question/10677678

#SPJ1

Which letter
A
B
C
D

Answers

Answer:

Step-by-step explanation:

a

Answer:

ITS A

Step-by-step explanation:

The reason why is because that dude up there said the same thing so yeah..

Noah is making mini berry pies. For the filling, he mixes 1 pound each of raspberries, blueberries, and blackberries. Then, he scoops 6 ounces of the filling into each mini pie tin. If he wants to use up all of his filling, how many mini pies can he make?

Answers

Farid is able to produce 8 small pies.

What is addition?

Addition is a way of combining things and counting them together as one large group. ... Addition in math is a process of combining two or more numbers.

here, we have,

Given: For the filling, Farid blends 1 pound of each blackberries, blueberries, and raspberries. Following that, he spoons 6 ounces of the filling into each tiny pie pan.

We need to find How many tiny pies can be made if he wants to use all of the filling.

Raspberries, blueberries, and blackberries, each weighing 1 pound, are combined by Faris for the filling.

3 pounds of filler total from 1+1+1= 3*16 ounces.

1 pound equals 16 ounces. = 48 ounces

Each little pie tin is filled with 6 ounces of filling by Faris.

48 ounces divided by 6 ounces equals 8 mini pies.

Hence, the Farid made 8 mini pies with 6 ounces.

To learn more about Ounces and Pound here:

brainly.com/question/15399007

#SPJ9

Find the probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by:
a. 3.
b. 3 and 5.
c. 3 or 5.

Answers

The probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by 3, 3 and 5, and 3 or 5 is 33.3%, 6.6%, and 46.7%, respectively.

To find the probability of randomly selecting a number between 1 and 1000 (including both ends), we can count the number of the desired outcomes and divide it by the total number of possible outcomes.

a. To find the probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by 3, we can count the number of multiples of 3 between 1 and 1000, and divide by the total number of possible outcomes.

The first multiple of 3 is 3, and the last multiple of 3 that is less than or equal to 1000 is 999.

999/3 = 333

So there are 333 multiples of 3 between 1 and 1000.

probability = 333/1000 = 0.333 = 33.3%

b. To find the probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by 3 and 5, we can count the number of multiples of 15 (the least common multiple of 3 and 5) between 1 and 1000, and divide by the total number of possible outcomes.

The first multiple of 15 is 15, and the last multiple of 15 that is less than or equal to 1000 is 990.

990/15 = 66

So there are 66 multiples of 15 between 1 and 1000.

probability = 66/1000 = 0.066 = 6.6%

c. To find the probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by 3 or 5, we can count the number of multiples of 3 or 5 (or both) between 1 and 1000, and divide by the total number of possible outcomes.

To count the number of multiples of 3 or 5, we can add the number of multiples of 3 and the number of multiples of 5, and then subtract the number of multiples of 15 (to avoid double-counting).

The number of multiples of 3 between 1 and 1000 is 333, the number of multiples of 5 is 200, and the number of multiples of 15 is 66.

probability = (200 + 333 - 66)/1000 = 0.467 = 46.7%

Learn more about probability here: https://brainly.com/question/24756209

#SPJ4

Circle P is shown. Line segments P T, P U, P R, and P Q are radii. Line segments T S and S U are secants. Angle T S U is 120 degrees, angle U P R is 59 degrees, and angle Q P T is degrees. Use the drop-down menus to complete the statements. A central angle of circle P is angle . The measure of is degrees.

Answers

A central angle of circle P is angle TPQ.

The measure of RU is 59 degrees.

What is an arc?

In Geometry, an arc can be defined as a trajectory that is generally formed when the distance from a given point has a fixed numerical value. Generally speaking, the degree measure of an arc in a circle is always equal to the central angle that is present in the included arc.

Based on the information provided about Circle P, we can logically deduce that m∠TPU and m∠UPR are supplementary angles:

m∠TPU + m∠UPR = 180°

m∠TPU = 180° - 59°

m∠TPU = 121°.

m∠TPQ + m∠QPR = 180°

m∠QPR = 180° - 107°

m∠QPR = 73°.

Therefore, the central angle of circle P is m∠TPQ and the measure of arc RU is equals to 59 degrees.

Read more on arcs here: https://brainly.com/question/21827855

#SPJ1

Answer:

1. TPQ

2. 58

Step-by-step explanation:

If $16,000 is invested at 10% for 20 years, find the future value if the interest is compounded daily.​

Answers

To find the future value of the investment, we can use the formula:

A = P(1 + r/n)^(nt)

Where:
A = the future value
P = the principal amount (the initial investment)
r = the annual interest rate (as a decimal)
n = the number of times the interest is compounded per year
t = the number of years

In this case, we have:

P = $16,000 (the initial investment)
r = 0.10 (10% as a decimal)
n = 365 (the interest is compounded daily, so there are 365 compounding periods per year)
t = 20 (the investment is for 20 years)

Plugging these values into the formula, we get:

A = $16,000(1 + 0.10/365)^(365*20)
A = $16,000(1.00027397)^7300
A = $16,000(2.35791)
A = $37,726.64

Therefore, the future value of the investment is approximately $37,726.64 if the interest is compounded daily.

Please award me the brainiest for my effort. Thank you

arrange the following fraction 5/6,8/9,2/3 in assending order

Answers

Answer: From Greatest to Least: 8/9, 5/6, 2/3

Step-by-step explanation:

Lowest fraction is 2/3 then 5/6 then the highest is 8/9

Let A be an mxn matrix, and let u and v be vectors in Rn with the property that Au = 0 and Av 0. Explain why A(u + v) must be the zero vector. Then explain why A(cu + dv) -0 for each pair of scalars c and d.

Answers

Suppose that, Au=0 and Av=0. Then, we already have A(u+v)=Au+Av. Now, A(u + v) = Au + Av = 0 + 0 = 0.

Now, let c and d be scalars. Using both parts of Theorem 5, A(cu + dv) = A(cu) + A(dv) = cAu + dAv = c0 + d0 = 0.

A matrix, also known as matrices, is a rectangular array or table with numbers, symbols, or expressions that are arranged in rows and columns to represent a mathematical object or a property of that object. Matrix types are not all associated with linear algebra. In particular, this applies to incidence matrices and adjacency matrices in graph theory.

Unless otherwise stated, all matrices in this article, which focuses on matrices related to linear algebra, represent linear maps or can be viewed as such. The majority of mathematical and scientific disciplines use matrices, either directly or indirectly through the use of geometry and numerical analysis.

To learn more about matrix: https://brainly.com/question/1279486

#SPJ4

The ration of female to male shoppers at a department store has been found to be 10 to 9. If 1,188 male shoppers were at the store one Saturday, how many shoppers were there in all that day?

Answers

Answer:

2,508 shoppers

Step-by-step explanation:

Ratio of female to male : 10:9

Let F be the number of female shoppers and M be the number of male shoppers

That can be expressed as
[tex]\dfrac{F}{M}= \dfrac{10}{9}[/tex]

Given M = 1188

[tex]\dfrac{F}{1188}= \dfrac{10}{9}[/tex]

Multiply both sides by 1188

[tex]\dfrac{F}{1188} \times 1188= \dfrac{10}{9} \times 1188\\\\F = 1,320[/tex]

Total number of shoppers = M + F
= 1188 + 1320
= 2,508 shoppers

Other Questions
3. When an individual becomes addicted to a substance, a/anthe substance to get the same effect.A. overuse disorderB. toleranceC. habitD. chronic diseasedevelops, which results in the individual having to consume more of fill in the blank. ___ were remarkably diverse in terms of ethnicity had fertile soil and long growing seasons, which enabled residents to cultivate enough crops for their own consumption as well as for sale to other regions whatd the inequality of x > 23 During London Fashion Week, Burberry used _______ to tell the tale of two models planning to break into its flagship store on Regent Street in London. What is meant by security market line? 14. Which One Doesn't Belong? Circle thesystem of equations that does not belongwith the other two. Explain your reasoning.y=x+6y = -x + 23x + y = -1y = 4x + 6y=-4x-3y + 4x = -5 fill in the blank. although studying new information to the point where you can recite it is one way to learn,___, where you know how key terms interact and generate examples, is a deeper way to study. What perspective do you think the cartoonist had? How might the cartoon have been drawn differently if they had theopposite perspective? Composer Burt Bacharach died at 94, which no. 1 hit was also an oscar-winner in 1970?Hal David Glenda JacksonGeorge C. ScottJhon Legend which endocrine gland is also an exocrine gland and contains islets with alpha and beta cells that each secrete different hormones with opposing effects? A basketball player has an average of making 80% of her free throws attempts. What is the probability that the player makes four out of six attempts today? What is the mean and the Standard deviation For the number made an all six attempt games? What provides structure for plants How did Romans celebrate their gods? Please can someone help me? 4th Term: __truman Doctrine____________________________________________ 25 pointsQuestionAnswerWhat is the term (definition)? 5 pointsWhy did they think it would lead to lasting peace? 5 pointsWhich country should or does introduce the concept to the convention and why? 5 pointsCite the source: Title of the webite and URL address 5 pointsIs this graphic organizer completed? 5 points Yes or No _____________________ question 6 you are working with the penguins dataset. you want to use the summarize() and max() functions to find the maximum value for the variable flipper length mm. you write the following code: penguins %>% drop na() %>% group by(species) %>% add the code chunk that lets you find the maximum value for the variable flipper length mm. 1 reset what is the maximum flipper length in mm for the gentoo species? 0 / 1 point a thin, horizontal, 15-cm -diameter copper plate is charged to -3.6 nc . assume that the electrons are uniformly distributed on the surface. Find the potential energy The arrows in a food chain show the flow of energy, fromthe sun or hydrothermal vent to a top predator. As theenergy flows from organism to organism, energy is lost ateach step. A network of many food chains is called a foodweb.Trophic Levels:The trophic level of an organism is the position it holds in afood chain.The Food WebHeterotrophsAutotrophsQumenary Come3. Define food web.4. What is meant by trophic levels?5. Define autotroph.5. The 1st trophic level consists of. Name the 2nd trophic level (both names).. Secondary consumers may bethat eat both plants and animals.. What is the 3rd trophic level called?O. What is the 4th trophic level called?1. At the 5th trophic level would beconsumers.consumertAnjest primary1. Primary producers (organisms that make their own food from sunlight and/or chemical energyfrom deep sea vents) are the base of every food chain - these organisms are calledautotrophs.2. Primary consumers are animals that eat primary producers; they are also called herbivores(plant-eaters).3. Secondary consumers eat primary consumers. They are carnivores (meat-eaters) andomnivores (animals that eat both animals and plants).nemersja producers4. Tertiary consumers eat secondary consumers.5. Quaternary consumers eat tertiary consumers.6. Food chains "end" with top predators, animals that have little or no natural enemies.producers calledWhen any organism dies, it is eventually eaten by detrivores (like vultures, worms and crabs) andbroken down by decomposers (mostly bacteria and fungi), and the exchange of energy continues.(EnchantezSome organisms' position in the food chain can vary as their diet differs. For example, when a beareats berries, the bear is functioning as a primary consumer. When a bear eats a plant-eating rodent,the bear is functioning as a secondary consumer. When the bear eats salmon, the bear isfunctioning as a tertiary consumer (this is because salmon is a secondary consumer, since salmon eatherring that eat zooplankton that eat phytoplankton, that make their own energy from sunlight).Think about how people's place in the food chain varies often within a single meal!Producesparts!Food Web Questions1. What is used to indicate the flow of energy in a food chain or web?2. What happens to energy as we move from step to step in a chain or web?eating meat orconsumers that eat Find an equation for the tangent to the curve at the given point. Then sketch the curve and the tangent together. y = 8 , (4,16) y = Choose the correct graph of the curve and the tangent below. 16. What has been a typical range of inflation in the U.S. economy in the last decade or so?ECON QUSTION