PLEASE HELP!!
if 90° < 0 <180° and csc0 = 3, then cot0=

PLEASE HELP!! If 90 &lt; 0 &lt;180 And Csc0 = 3, Then Cot0=

Answers

Answer 1

the value of cot∅ will be -2√2.

What is trigonometric function?

Trigonometry uses six fundamental trigonometric operations. Trigonometric ratios describe these operations. The sine function, cosine function, secant function, co-secant function, tangent function, and co-tangent function are the six fundamental trigonometric functions. The ratio of sides of a right-angled triangle is the basis for trigonometric functions and identities. Using trigonometric formulas, the sine, cosine, tangent, secant, and cotangent values are calculated for the perpendicular side, hypotenuse, and base of a right triangle.

Given csc∅ = 3

This is given in 2nd qudrant (90° < 0 <180°).

Sin∅ = 1/3

cos∅ = √1-(1/3)² = -√ (8/9)

cot∅ = cos∅/Sin∅ = -2√2

Hence the value of cot∅ will be -2√2.

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Related Questions

Lines y and z are parallel.
Parallel lines are cut by transversals s and t. The angles formed by lines s, t, and y, clockwise from top left, are blank, blank, (10 x + 5) degrees, blank, (4 x minus 7) degrees, blank; formed by s and z are 65 degrees, 1, blank, blank; formed by z and t are 2, blank, blank, blank.
What is the measure of angle 2?
6 degrees
11 degrees
28 degrees
37 degrees

Answers

The measure of Angle 2 is 17 degrees.

The measure of angle 2,  the relationships between the given angles formed by the parallel lines and transversals.

1. The angles formed by lines s, t, and y, clockwise from top left, are:

  - Blank

  - Blank

  - (10x + 5) degrees

  - Blank

  - (4x - 7) degrees

  - Blank

2. The angles formed by s and z are:

  - 65 degrees

  - 1

  - Blank

  - Blank

3. The angles formed by z and t are:

  - 2

  - Blank

  - Blank

  - Blank

From the given information, we can deduce the following:

- Angle 1 is congruent to the angle formed by z and t (corresponding angles).

- Angle (10x + 5) degrees is congruent to angle 65 degrees (alternate interior angles).

- Angle (4x - 7) degrees is congruent to angle 2 (alternate interior angles).

Therefore, we can set up the following equations:

65 = 10x + 5     (Equation 1)

2 = 4x - 7       (Equation 2)

Solving Equation 1:

65 - 5 = 10x

60 = 10x

x = 6

Substituting x = 6 into Equation 2:

2 = 4(6) - 7

2 = 24 - 7

2 = 17

Hence, the measure of angle 2 is 17 degrees.

Therefore, the correct answer is:Angle 2 = 17 degrees.

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Need Help ASAP. Thank you in advance :)

Answers

The value of x, considering the vertical angles in this problem, is given as follows:

x = 11.

What are vertical angles?

Vertical angles are angles that are opposite by the same vertex on crossing segments, hence they share a common vertex, thus being congruent, meaning that they end up having the same angle measure.

The vertical angles for this problem are given as follows:

(x + 7)º.(2x - 4)º.

As the vertical angles are congruent, the value of x is obtained as follows:

2x - 4 = x + 7

x = 11.

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A right circular cylinder has a surface area of 112 π. If the height of the cylinder is 10, find the diameter of the base.

Answers

If the height of the cylinder is 10, the diameter of the base of the cylinder is 8 units.

A right circular cylinder has two congruent circular bases and a curved surface area. To find the diameter of the base, we need to first find the radius of the base.

Let's begin by using the given information to write an equation. The surface area of a cylinder is given by the formula:

Surface Area = 2πr² + 2πrh

where r is the radius of the base and h is the height of the cylinder.

We are given that the surface area of the cylinder is 112π and the height is 10. Substituting these values, we get:

112π = 2πr² + 2πr(10)

Simplifying the equation by dividing both sides by 2π, we get:

56 = r² + 10r

Now we have a quadratic equation in terms of r. We can solve this equation by using factoring, completing the square, or the quadratic formula. Let's use factoring:

r² + 10r - 56 = 0

(r + 14)(r - 4) = 0

The solutions are r = -14 and r = 4. Since the radius cannot be negative, the radius of the base is 4.

The diameter of the base is twice the radius, so the diameter is 8.

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50 Points! Multiple choice geometry question. Photo attached. Thank you!

Answers

Answer is B. This is because the ratio between 12 and 10 is 1.5. You find this from dividing 10 from 12. Therefore, BE is 1 and a half

WINGSUIT A wingsuit flyer jumps off a tall cliff. He falls freely for a few seconds before deploying the wingsuit and -4.9x² +420, where y is = slowing his descent. His height during the freefall can be modeled by the function y the height above the ground in meters and x is the time in seconds. After deploying the wingsuit, the flyer's height is given by the function y = −3x + 200. deploy the wingsuit?​

Answers

The total height of the flyer at any time after deploying the wingsuit would be;

y = -3x + 200 + (-4.9t² + 420),

Now, Based on the given information, we can use the two functions to determine the height of the wingsuit flyer at a particular time.

During the freefall, the height of the flyer can be calculated using the function

y = -4.9x² + 420.

Let's say the flyer falls freely for t seconds before deploying the wingsuit.

Therefore, the height at the moment of deploying the wingsuit would be,

y = -4.9t² + 420.

After deploying the wingsuit, the height of the flyer is given by the function

y = -3x + 200.

We can combine these two functions to get the total height of the flyer at any given time after deploying the wingsuit.

So, the total height of the flyer at any time after deploying the wingsuit would be;

y = -3x + 200 + (-4.9t² + 420),

where x is the time after deploying the wingsuit and t is the time of freefall before deploying the wingsuit.

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Expand & simplify.

23p - 3( 2k + 14p ) + 5( 6k - p )

Answers

Answer:

23p -6k - 42p + 30k - 5p

23p - 42p - 5p + 30k - 6k

23p - 47p + 24k

-24p + 24k

24(- p + k)

24( k - p)

Answer:

The answer is

60p + 24k

Step-by-step explanation:

1: Expand

=23p - 6k + 42p + 30k - 5p

step2: collect like terms

=42p + 23p - 5p - 6k + 30k

step 3: add/subtract them to get your answer

=60p + 24k

your answer☝

What number is equal to 13 ones and 62 hundredths

Answers

Answer:13.6

Step-by-step explanation:

A paint machine dispenses dye into paint cans to create different shades of paint. The
amount of dye dispensed into a can is known to have a normal distribution with a mean of 5
milliliters and a standard deviation of 0.4 milliliters. Find the dye amount that represents the
99th percentile of the distribution.
Select one:
O a. 4.1 milliliters
O b. 5.9 milliliters.
O c. 4.9 milliliters
O d. 5.1 milliliters

Answers

Answer:

  b. 5.9 mL

Step-by-step explanation:

You want the value that represents the 99th percentile of a normal distribution with a mean of 5 mL and a standard deviation of 0.4 mL.

Inverse normal

The inverse of the normal CDF function is used to find the X value for a given area. Here, we want X such that P(x < X) = 0.99 for μ = 5 and σ = 0.4.

The attached calculator output shows that is about X = 5.9305. Rounded to 1 decimal place, the volume is ...

  5.9 mL

<95141404393>

On Saturday, a local hamburger shop sold a combined total of 234 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Saturday?

Answers

Answer:

78

Step-by-step explanation:

Let the number of hamburgers sold = x.

Then, the number of cheeseburgers sold = 2x.

Total number of sales: x + 2x = 3x

Total number of sales: 234

3x = 234

x = 78

Answer: 78

Write and solve an equation to find the value of x.

Answers

The value of x for each item is given as follows:

28. x = 5.

29. x = 3.44.

How to obtain the value of x in each item?

For item 28, we apply the crossing chord theorem, which states that the products of the parts of the chords are equal, hence the value of x is obtained as follows:

16x = 10 x 8

16x = 80

x = 5.

For item 29, we apply the two secant theorem, hence the value of x is obtained as follows:

10(x + 10) = 12(12 + 25)

10x + 100 = 444

10x = 344

x = 3.44.

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What is the quotient of the expression
O7a³ + ab + 3
O7a³ + ab - 3
O7a³ + 4ab+
+8
O7a³+4ab-8
28a b+4a²b²-12ab?
4ab

Answers

The quotient of the expression (7a³ + ab + 3) / (7a³ + ab - 3) divided by 4ab is (7/4a²) + (1/4b) + (3/4ab).

How to find the quotient

By dividing each term of the numerator by 4ab:

(7a³ + ab + 3) / (7a³ + ab - 3) ÷ 4ab

= (7a³ / 4ab) + (ab / 4ab) + (3 / 4ab)

Simplifying each term individually:

= (7/4a²) + (1/4b) + (3/4ab)

Thus, the quotient of the expression (7a³ + ab + 3) / (7a³ + ab - 3) divided by 4ab is (7/4a²) + (1/4b) + (3/4ab).

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Your parents are considering renting you an apartment instead of paying room and board at your college. The month-
to-month contract is $539.00/month and the annual contract is $467.00/month. If you break the annual contract,
there is a 2-month penalty.

3. How much do your parents save if you stay a whole year by entering into an annual contract
rather than a month-to-month contract?


4. If you enter into an annual contract but decide to leave after 5 months, how much do your parents lose by not doing the month-to-month contract?


Answers

Answer:

Step-by-step explanation:

3: ANSWER = 864

4; ANSWER = I DONT KNOW TNH YOU JUST HAVE TO MULTIPLY AMD THEN SUBRACT BOTH

PLS HELP MARKING AS BRAINLIST

Answers

Answer:

108 sq ft

Step-by-step explanation:

The formulas are given in the bottom right.

For the triangles*, the base = 8 ft. The height = 6 feet.

Area = (bh)/2.

Area = (8*6)/2 = (48)/2 = 24 sq ft.

There are two of those identical triangles. 24+24 = 48.

(*Another way to look at this is to say that the base = 8+8 = 16. Area = (bh)/2 = (16*6)/2 = 96/2 = 48. It doesn't matter, mathematically. I can't tell if they have tried to show this as 2 triangles or one.)

For the bottom rectangle, area = length x width = 6*10 = 60 sq ft.


Add them up! 24 + 24 + 60 = 108 sq ft.

Factor completely, then place the answer in the proper location on the grid.

9x4 -225y8

Answers

The factored expressions of 9x⁴ - 225y⁸ is (3x² + 15y⁴)(3x² - 15y⁴)

How to factor the expressions completely

From the question, we have the following parameters that can be used in our computation:

9x⁴ - 225y⁸

²⁴

For the expression, we can apply the difference of two squares

Where

9x⁴ = (3x²)²

225y⁸ = (15y⁴)²

Using the above as a guide, we have the following:

9x⁴ - 225y⁸ = (3x²)² - (15y⁴)²

So, we have

9x⁴ - 225y⁸ = (3x² + 15y⁴)(3x² - 15y⁴)

Hence, the factored expressions is 9x⁴ - 225y⁸ = (3x² + 15y⁴)(3x² - 15y⁴)

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For the matrix D shown below, determine the value of the element d12. If the element is not defined, click the undefined button. D = [-3 -8 6 -4] Answer:​

Answers

The calculated value of the element d₁₂ is -8

How to determine the value of the element d₁₂

From the question, we have the following parameters that can be used in our computation:

The matrix D given as

D = [-3 -8 6 -4]

The element d₁₂ represents the element located at the first row and the second column

In this case, the element located at the first row and the second column is -8

Using the above as a guide, we have the following:

d₁₂ = -8

Hence, the value of the element d₁₂ is -8

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Calculate the unknown length, x, in the shape below.
If your answer is a decimal, give it to 1 d.p.
8
8 cm
area = 55 cm²
area=178.2 cm²
15 cm

Answers

The triangles are similar triangles. Then the value of 'x' will be 27 cm.

The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.

The ratio of the matching sides will remain constant if two triangles are comparable to one another.

From the above theorem, the equation is given as,

(x/15)² = 178.2 / 55

Simplify the equation, then we have

(x/15)² = 3.24

x/15 = 1.8

x = 27 cm

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The exponential model A=433.4e^0.032t describes the​ population, A, of a country in​ millions, t years after 2003. Use the model to determine when the population of the country will be 796 million.

The population of the country will be 796 million in

​(Round to the nearest year as​ needed.)

Answers

The population of the country will be 796 million approximately in the year 2022.

To find when the population of the country will be 796 million, we can set the equation equal to 796 and solve for t:

[tex]A = 433.4e^{(0.032t)}\\796 = 433.4e^{(0.032t)}[/tex]

Divide both sides by 433.4:

[tex]e^{(0.032t)} = 1.836[/tex]

Take the natural logarithm of both sides:

[tex]ln(e^{(0.032t)}) = ln(1.836)[/tex]

0.032t = 0.605

Divide both sides by 0.032:

t = 18.91

Therefore, the population of the country will be 796 million approximately 19 years after 2003. To find the year, we add 19 to 2003:

2003 + 19 = 2022

Therefore, the population of the country will be 796 million approximately in the year 2022.

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1. The Roth Family took out a $215,000 with a 15-year mortgage at an APR of 5.4%. The
monthly payment was $1,850. What will be their total interest charges after 15 years?

Answers

The total interest charges to the Roth Family, after 15 years, given the monthly payment would be $ 118, 000

How to find the total interest charges ?

First, find the total amount paid over the 15 years by the Roth Family to be :

= Number of years x Monthly payment x Number of months per year

= 15 x 1, 850 x 12

= $ 333, 000

The total interest charges that the Roth Family paid would be :

= Total amount paid after 15 years - Total amount borrowed as mortgage

= 333, 000 - 215, 000

= $ 118, 000

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Currently it is estimated that 3 out of every 1000 Californians are infected with
coronavirus. The so-called rapid "antigen" test for coronavirus has a very low false
positive rate of just 0.05, but has a high false negative rate of 0.2. The so-called
PCR test is more reliable: it has an even lower false positive rate than the antigen
test, namely only 0.001, but even more importantly its false negative rate is much
lower at 0.01.
What is the probability that you have a coronavirus infection conditional on your
PCR test has coming back positive?

Answers

The probability that an antigen test comes back positive is approximately 0.05225, or about 5.225%.

We have,

To find the probability that an antigen test comes back positive, we need to consider both the true positive rate (probability of a positive test given that the person is infected) and the false positive rate.

Now,

Prevalence of coronavirus in California: 3 out of 1000

False positive rate of the antigen test: 0.05 (5 out of 100)

Let's calculate the probability of a positive test result.

The true positive rate can be calculated as 1 minus the false negative rate (probability of a negative test given that the person is infected):

True positive rate = 1 - 0.2 = 0.8 (or 80 out of 100)

The probability of a positive test result can be calculated using Bayes' theorem:

P(Positive test) = P(Positive test | Infected) x P(Infected) + P(Positive test | Not Infected) x P(Not Infected)

P(Positive test) = (0.8 x 3/1000) + (0.05 x 997/1000)

P(Positive test) = 0.0024 + 0.04985

P(Positive test) = 0.05225

Therefore,

The probability that an antigen test comes back positive is approximately 0.05225, or about 5.225%.

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50 Points! Multiple choice algebra question. Photo attached. Thank you!

Answers

Answer:

A. Because it would simplify this equation.

can be repeated. Complete parts​ (a) and​ (b).
​(a) What is the probability of randomly selecting the correct access code on the first​ try?
​(b) What is the probability of not selecting the correct access code on the first​ try?
Question content area bottom
Part 1

Answers

a. The number of possible access codes. The number of different codes available is 343.

b. The probability of randomly selecting the correct access code on the first try is 0.003

How to calculate the probability

a. To find the number of possible access codes. The number of different codes available is:

= 7* 7* 7

= 343

(b) The probability of randomly selecting the correct access code is nnothingwill be:

P = 1/343

= 0.003

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The access code for a safe consists of three digits. Each digit can be any number from 0 through 6 , and each digit can be repeated. Complete parts (a) through (c). a) Find the number of possible access codes. (b) What is the probability of randomly selecting the correct access code on the first try? (c) What is the probability of not selecting the correct access code on the first try? (a) Find the number of possible access codes. The number of different codes available is nothing . (b) What is the probability of randomly selecting the correct access code on the first try?

PLEASE HELP ME ITS DUE TODAY!!!

Answers

4. RSTU is a trapezoid because the opposite sides RS and UT are parallel.

5. RSTU is not an isosceles trapezoid because the diagonals are not congruent.

How to verify that RSTU is a trapezoid?

In order to verify that RSTU is a trapezoid, we would have to determine slope of the pair of opposite sides and check whether at least one pair of opposite sides are parallel;

RU ║ ST

Slope of side RU = Slope of side ST

Slope of RU = (y₂ - y₁)/(x₂ - x₁)

Slope of RU = (1 + 3)/(5 + 3)

Slope of RU = 4/8

Slope of RU = 0.5.

Slope of RS = (y₂ - y₁)/(x₂ - x₁)

Slope of RS = (-9 + 3)/(-4 + 3)

Slope of RS = -6/-1

Slope of RS = 6.

Slope of ST = (y₂ - y₁)/(x₂ - x₁)

Slope of ST = (-2 - 1)/(10 - 5)

Slope of ST = -3/5

Slope of ST = -0.6.

Slope of UT = (y₂ - y₁)/(x₂ - x₁)

Slope of UT = (-2 + 9)/(10 + 4)

Slope of UT = 7/14

Slope of UT = 0.5.

Therefore, RSTU is a trapezoid because the opposite sides RS and UT are parallel.

Question 5.

In order to determine whether RSTU is an isosceles trapezoid, we would have to determine length of the diagonals by using the distance formula and check whether they are congruent;

Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]

Distance RT = √[(-2 + 3)² + (10 + 3)²]

Distance RT = √170 units.

Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]

Distance US = √[(5 + 4)² + (1 + 9)²]

Distance US = √181 units.

Therefore, RSTU is not an isosceles trapezoid because the diagonals RT and US are not congruent.

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please help me with this math question with solutions please
2×+4=4!​

Answers

Answer: x= 10

Step-by-step explanation:

2x+4=24

2x=24-4

2x=20

x=10

Answer:

Step-by-step explanation:

2x+4=4

subtract 4 from both sides

2x=0

divide by 2 on both sides

x=0

100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!

Answers

Answer:

A. All sides of a rhombus are congruent, so if DK = 8, then KL = 8.

B. The diagonals of a rhombus are perpendicular to each other, so if angle KAL = 2x - 8, then we have:

2x - 8 = 90

2x = 98, so x = 49.

C. All sides of a rhombus are congruent, so if DM = 5y + 2 and DK = 3y + 6, then we have:

5y + 2 = 3y + 6

2y = 4, so y = 2, and KL = 5(2) + 2 = 12.

Drag each length to the correct location on the image. Each length can be used more than once, but not all lengths will be used.
What are the missing segment lengths shown in the image?
14√2
14
45
14√2
14√3
45
7√2 7√3

Answers

The legs of the big triangle are 14 units and the legs of the small triangle are 7√2 units

How to determine the lengths of the missing segments

From the question, we have the following parameters that can be used in our computation:

The right triangles

The right triangles are special triangles with acute angles of 45 degrees

This means that the relationship between the legs and the hypotenuse of the triangles is

Hypotenuse = Leg√2

Leg = Hypotenuse/√2

Using the above as a guide, we have the following:

Leg = 14√2/√2

Leg = 14

i.e. the legs of the big triangle are 14 units

Leg = 14/√2

Leg = 7√2

i.e. the legs of the small triangle are 7√2 units

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Answer:

Step-by-step explanation:

50 Points! Multiple choice algebra question. Photo attached. Thank you!

Answers

It would take 21 weeks for the population to surpass 16,000.

The insect population P in a certain area fluctuates with the seasons and is estimated by the function P = 15,000 + 2500 sin(πt/52), where t is given in weeks.

For the population to surpass 16,000, we can set up the following equation:

15,000 + 2500 sin(πt/52) = 16,000

Subtracting 15,000 from both sides, we get:

2500 sin(πt/52) = 1000

Dividing both sides by 2500, we get:

sin(πt/52) = 0.4

We know that sin(πt/52) is positive when t is between 0 and 52 and between 104 and 156 since sine is positive in the first and second quadrants. Therefore, we can write:

πt/52 = sin⁻¹(0.4)

Multiplying both sides by 52/π, we get:

t = (52/π) sin⁻¹(0.4)

Using a calculator, we can evaluate sin⁻¹(0.4) to be approximately 0.4115 radians.

t = (52/π) (0.4115)

t = 21.02

Therefore, it would take 21 weeks for the population to surpass 16,000.

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(2x^2-9x-5) \div(x-5)

Answers

Answer:2x+1

Step-by-step explanation:

Each day, Nicole earns a fixed wage plus extra money for every hour of overtime she works. The graph shows her total pay (in dollars) versus the amount of
overtime (in hours) that she works.
Total pay
(dollars)
I Don't Know
737
Mostly cloudy
Overtime (hours)
Subm
(a) What is Nicole's total pay with 0 hours of overtime?
(b) Choose the statement that best describes how the amount
of overtime and total pay are related. Then fill in the blank.
Search
As the amount of overtime increases, the total pay
decreases.
At what rate is the total pay decreasing?
$ per hour
As the amount of overtime increases, the total pay
increases.
At what rate is the total pay increasing?
$ per hour

Answers

(a) Nicole's total pay with 0 hours of overtime is $737.
(b) The correct statement is: "As the amount of overtime increases, the total pay increases." The rate at which the total pay is increasing is $10 per hour of overtime.

Billy, Kip, and Patrick earned a combined 14 points during their team's game. Billy earned 5 points and Kip earned 6 points. Which of the following equations can be used to determine how many points Patrick earned?

5 + 6 = 14 + y
6y + 5 = 14
5y + 6 = 14
5 + 6 + y = 14

Answers

The equation can be used to determine how many points Patrick earned is ;5 + 6 + y = 14.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

A mathematical equation is a statement with two equal sides and an equal sign in between.  4 + 6 and 10 can be seen on the left and right sides of the equal sign, respectively.

Given that Billy, Kip, and Patrick earned a combined 14 points during their team's game. Billy earned 5 points and Kip earned 6 points.

We can determine the direct answer by taking Billy and Kip's points and subtracting it from the total combined points.

That will give us 11, which means Patrick earned 3 points.

The equation we can use to represent this is ;5 + 6 + y = 14.

Solve the inequality for y.
-3>9-6y
Simplify your answer as much as possible.

Answers

Answer:

  y > 2

Step-by-step explanation:

You want the solution to the inequality ...

  -3 > 9 -6y

Solution

We can add 6y+3 to both sides. This gives ...

  6y > 12

Dividing by 6 tells us the solution for y:

  y > 2

__

Additional comment

We could have solved by subtracting 9 to get ...

  -12 > -6y

Then dividing by -6 reverses the inequality symbol:

  2 < y

We avoid the issue with negative number multiplication or division by making the y-term positive in our solution process.

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Consider the functionf(x)=2x^3+27x^260x+4 with10x2This function has an absolute minimum at the point ____________and an absolute maximum at the point ________________Note: both parts of this answer should be entered as an ordered pair, including the parentheses, such as (5, 11). The following table lists the ages (in years) and the prices (in thousands of dollars) by a sample of six houses.AgePrice27165151823205351617180181611. By hand, determine the standard deviation of errors for the regression of y on x, rounded to three decimal places, is2. The coefficient of determination for the regression of y on x, rounded to three decimal places, is suppose the speed of light in a particular medium is 2.012 108 m/s. Calculate the index of refraction for the medium. A listing of the end of period balances of all the GL accounts is known as the a. Statement of financial position b. Subsidiary ledger c. General ledger d. Trial Balance 1) Use the TI-84 calculator to find the z-score for which the area to its left is 0.73. Round the answer to two decimal places. The z-score for the given area is __. 2) Use the TI-84 calculator to find the z-score for which the area to its right is 0.06. Round the answer to two decimal places. The z-score for the given area is __. consider the two vectors: x = [9 3 0 2] and y = [3 8 0 1]. find the outputs of each compound relational and logical statement by hand. a. m = (x= 4) b. n = (x= 4) c. k = ((x= 4)) XOR (X < ~= y) d. a =x ly x Test for odd number A 50. 0 ml sample of gas is cooled from 119 C. If the pressure remains constant, what is the final volume of the gas? calculate the mass percent of nickel chlorate in a solution made by dissolving 0.265 g ni(clo3)2 in 10.00 g water Looking at the nickel complexes as an example, it is found that those formed with ammonia give the complex [Ni(NH3)6]^2+ and when formed with ethylenediamine the complex [Ni(en)3)^2+ is the result. Even though both are octahedran complexes, why do you think that nickel is coordinated with six ammonia ligands in one case and only three ethylenediamine ligands in the other? as we saw in humans, even deleterious alleles can persist in a population. can you think of processes that account for this, in addition to deleterious recessive alleles hwat are the equilibriu concnetreation of mg and co3 ions in a sturate solution of magnesiu crabonte at 25c? ksp = 3.5x10-8 knowing the following: mp = 1.0073 amu, mn = 1.0087 amu, and me- = 0.00055 amu, calculate the energy released by the fusion of one mole of br-81 (mass = 80.9163 amu) An astronomer at the Mount Palomar Observatory notes that during the Geminid meteor shower, an average of 50 meteors appears each hour, with a variance of 9 meteors squared. The Geminid meteor shower will occur next week.(a) If the astronomer watches the shower for 4 hours, what is the probability that at least 48 meteors per hour will appear?(b) If the astronomer watches for an additional hour, will this probability rise or fall? Why? Suppose 2 landowners share water from a common underground aquifer. They can choose to take 0, 1, or 2 units of water each year for the next two years. In both years, the value of the 1st unit of water is $7 and the value of the second unit of water is $5. There are 4 units of water altogether. The cost of extracting water is $1 per unit. Finally, if there is an odd number of units left in the second year, assume the odd unit gets split between the 2 landowners, each getting half the value and paying half the cost. How much water will each landowner take in the 1st year if he chooses the amount of water to maximize his consumer surplus?a. 2 unitsb. 1 unitc. 0 units 2. (a) analyze explain how the poet uses both metaphor andpersonification in lines 6-7 of "courage." (b) interpret what is the purposeand effect of that language? explain,i Item 5 Amanda plans to use 40% of her income each month to pay for her rent. What percentage of her income will she have left to pay for the rest of her expenses and savings help me pls i need the answer The photoelectric threshold wavelength of a tungsten surface is 272 nm.a) What is the threshold frequency of this tungsten?b) What is the work function (in eV) of this tungsten?c) Calculate the maximum kinetic energy (in eV) of the electrons ejected from this tungsten surface by ultraviolet radiation of frequency1.4610151.461015Hz. convert the following compound to 1hexyne, hccch2ch2ch2ch3. be sure to answer all parts. A volume of 25.0 mL of 0.100 M HCl is titrated against a 0.100 M CH3NH2 solution addedto it from a burette. Calculate the pH values of the solution (a) after 10.0 mL of CH3NH2 solutionhave been added, (b) after 25.0 mL of CH3NH2 solution have been added.