Carbon-141414 is an element which loses \dfrac{1}{10}
10
1

start fraction, 1, divided by, 10, end fraction of its mass every 871871871 years. The mass of a sample of carbon-141414 can be modeled by a function, MMM, which depends on its age, ttt (in years).
We measure that the initial mass of a sample of carbon-141414 is 960960960 grams.
Write a function that models the mass of the carbon-141414 sample remaining ttt years since the initial measurement.

Answers

Answer 1

The function that models the mass of the carbon-14 sample remaining {t} years since the initial measurement is → M{t} = 960 - 0.012t.

What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.

Given is that Carbon-14 is an element which loses (1/10) of its mass every 871 years. The initial mass of a sample of Carbon-14 is 960 grams. The mass of a sample of carbon-14 can be modeled by a function {M} which depends on its age {t} (in years).

(1/10) x 96 = 96/10 = 9.6 grams.

Carbon - 14 looses 9.6 grams in 871 years.

In 1 year, Carbon - 14 will loose (9.6/871) = 0.012 gram.

We can write the function {M} as -

M{t} = 960 - 0.012t

Therefore, the function that models the mass of the carbon-14 sample remaining {t} years since the initial measurement is → M{t} = 960 - 0.012t.

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Related Questions

what is a factor of both terms of the expression 6f - 12

Answers

Answer:

6(f-2)

Step-by-step explanation:

is a factor of 6f & 12

https://brainly.com/question/27349310

1.

to get factors

write 1 to 10

to see if any of the factor numbers can be divided by any of the numbers between 1 thru 10 or sometimes even up to 20

2.

write

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

so 6 & 12 can be divided by

1 2 3 4 6 12

A coin that lands on heads with probability p is continually flipped. Compute the expected number of flips X that are made until a string of r heads in a row is obtained. (string of r heads means a successive sequence of r heads. For example, if r = 2 and you flipped the coins such that you obtained HTHTHHTTHHH, then X=6) Hint: Condition on the time of the first occurrence of tails to obtain the equation E[X] = (1-p) ∑ Pi-1(I + E[X]) + (1-P) ∑ Pi-1r

Answers

The expected number of flips to get a string of r heads in a row, given that the probability of getting heads in each flip is p.

What do you mean by probability?

Probability is a scale between 0 and 1 that represents the possibility of an event happening. An event with probability 1 is guaranteed to happen, while an event with probability 0 is impossible. The number of favorable outcomes divided by the total number of potential outcomes in the sample space yields the probability of an event A, commonly denoted as P(A). The sample space, for a fair six-sided die, is the set of all potential outcomes, such as 1, 2, 3, 4, 5, and 6. The probability of rolling a 4 is 1/6. Numerous disciplines employ probability to make predictions, deduce conclusions, and make judgments in the face of uncertainty.

We can use a recursive formula to find the expected number of flips X.

Let X_i be the expected number of flips to get a string of r heads in a row, starting from the i-th flip. Then, X_i can be expressed in terms of X_{i+1}:

X_i = (1 - p) + p(1 + X_{i+1})

Here, (1 - p) represents the case where the i-th flip results in tails, and p(1 + X_{i+1}) represents the case where the i-th flip results in heads and we have to continue flipping until we get a string of r heads in a row.

To find the expected number of flips X, we need to sum over all X_i, starting from the first flip:

E[X] = X_1 = (1 - p) + p(1 + E[X])

Solving for E[X], we get:

E[X] = 1/(1 - p)

This formula gives us the expected number of flips to get a string of r heads in a row, given that the probability of getting heads in each flip is p.

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convert 564 inches to yards and feet​

Answers

Answer:

564 inches is equivalent to 47 yards and 0 feet.

15.6667 yards good luck!!!!!!

Anni traveled 2/7 of her trip in the first hour, and then 1/8 of her trip in the second hour. She plans to rest when she has completed half of her trip. What part of the trip does Annie still need to travel before she reaches her destination.

Answers

33/56 of her trip
Hope this helps

Help pls I need this quick thx :D

Answers

Only Euna successfully constructed an equilateral triangle inscribed in a a circle.

What is equilateral triangle?

An equilateral triangle's sides are congruent, which indicates that they are all the same length. The inner angles are all equal (60°), as well. Equilateral is a compound word made up of the words "equi," which means equal, and "lateral," which means side. Thus, an equilateral triangle is one that has three sides of equal length. An equilateral triangle in geometry is a triangle whose three sides are equal in length. An equilateral triangle is also equiangular in the conventional Euclidean geometry, meaning that each of the three internal angles is 60 degrees and that all three are congruent with one another.

So, Euna successfully constructed an equilateral triangle inscribed in a a circle.

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Write an equation describing the relationship of the given variables.

y varies directly as the fourth power of x and when x=3, y=243.

Answers

Answer:

y = 3[tex]x^{4[/tex]

Step-by-step explanation:

given y varies directly as [tex]x^{4}[/tex] then the equation relating them is

y = k[tex]x^{4}[/tex] ← k is the constant of variation

to find k use the condition when x = 3 , y = 243 , then

243 = k × [tex]3^{4}[/tex] = 81k ( divide both sides by 81 )

3 = k

y = 3[tex]x^{4}[/tex] ← equation of variation

y=30x+b what is b in this equation​

Answers


if you are simply asking what b ‘means’, then b is the y-intercept (the point where the graph intersects with the y-axis)

If you are wanting a number, I need more information.
b is the y-intercept.

Translate the phrase into a variable

The product of 50 and the number of employees

Answers

The value of the equation is A = 50 ( n ) , where n is the number of employees

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

Let the number of employees be n

So , A = product of 50 and the number of employees

A = 50 ( n )   be equation (1)

Therefore , the value of A is 50n

Hence , the equation is A = 50n

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please i really need help

here is the picture

step by step

Answers

Here is the answer, make sure 1/3 is inside the brackets (so the square is outside)

If you want me to explain more just comment and I’ll try my best

ind the first quartile for this list of numbers

38 41
97 83
65 55
91 96
5 80
22 89
31 100
69


Quartile 1 =

Answers

answer: 39.5

Step-by-step explanation:

arrange numbers in ascending order....

5,22,31,38,41,55,75,69,80,83,89,91,96,97,100

then find median of the arranged list of numbers

which is 69

after that find the median between the arranged numbers starting from 5 to the median which we found as 69

which will be 38 and 41

So we add those two numbers together and then divide them by 2 .....which will give u 39.5

Identify the missing species in each nuclear equation

Answers

the missing species in each nuclear equation are:

1.  ¹⁰₄Be ---> ¹⁰₅B + ⁰₋₁β

2. ³⁴₁₄Be ---> ³⁴₁₅P + ⁰₋₁β

3. ¹⁹²₇₈Pt -----> ¹⁹⁰₇₆Os + ⁴₂α

4.  ²⁸₁₂Mg ---> ²⁸₁₃Al + ⁰₋₁β

What is the nuclear equation?

Nuclear equations represent the reactants and products in radioactive decay, nuclear fission, or nuclear fusion. Instead of chemical equations where it shows the different number of elements are conserved in a reaction, in a nuclear reaction the atomic mass and proton number are conserved.

1. In the first equation, the Beryllium-10 isotope undergoes beta decay, emitting a beta-particle to form the boron-10 isotope. The balanced nuclear equation is given below:

¹⁰₄Be ---> ¹⁰₅B + ⁰₋₁β

2. In this reaction, the silicon-34 isotope undergoes beta decay, emitting a beta-particle to form the phosphorus-34 isotope. The balanced nuclear equation is given below:

³⁴₁₄Be ---> ³⁴₁₅P + ⁰₋₁β

3. In this equation, the platinum-192 isotope undergoes alpha-particle decay emitting an alpha-particle to form the osmium-190 isotope. The balanced nuclear equation is given below:

¹⁹²₇₈Pt -----> ¹⁹⁰₇₆Os + ⁴₂α

4. In this equation, the magnesium-28 isotope undergoes beta decay, emitting a beta-particle to form the aluminum-28 isotope. The balanced nuclear equation is given below:

²⁸₁₂Mg ---> ²⁸₁₃Al + ⁰₋₁β

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Enlarge shape A by scale factor 2 with centre of enlargement (1, 5)

Answers

The coordinates of the vertices of the image include the following: (-1, 3), (-1, -1), (5, -1), and (7, 3).

How to enlarge shape A by a scale factor of 2?

In this exercise, we would have to dilate (enlarge) the coordinates of the pre-image by using a scale factor of 2 centered at the point (1, 5) by using this mathematical expression:

(x, y)  →  (k(x - a) + a, k(y - b) + b)

For coordinate 1, we have;

Coordinate 1 = (2, 4)  →  (2(2 - 1) + 1, 2(4 - 5) + 5)

Coordinate 1 = (2, 4)  →  (2(-1) + 1, 2(-1) + 5)

Coordinate 1' = (-1, 3).

For coordinate 2, we have;

Coordinate 2 = (2, 2)  →  (2(2 - 1) + 1, 2(2 - 5) + 5)

Coordinate 2 = (2, 2)  →  (2(-1) + 1, 2(-3) + 5)

Coordinate 2' = (-1, -1).

For coordinate 3, we have;

Coordinate 3 = (3, 2)  →  (2(3 - 1) + 1, 2(2 - 5) + 5)

Coordinate 3 = (3, 2)  →  (2(2) + 1, 2(-3) + 5)

Coordinate 3' = (5, -1).

For coordinate 4, we have;

Coordinate 1 = (4, 4)  →  (2(4 - 1) + 1, 2(4 - 5) + 5)

Coordinate 1 = (4, 4)  →  (2(3) + 1, 2(-1) + 5)

Coordinate 1' = (7, 3).

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Find the distance between the points on a number line. 2, 13.3

Answers

Answer:

11.3

Step-by-step explanation:

13.3 - 2 = 11.3

Weights of newborn babies were gathered for a study last month at the local hospital. What is the level of measurement of the data?

Answers

The level of scale of measurements is the ratio scale for the data of the average weight of newborn babies in ounces.

What is level of Measurement of data?

A ratio scale is a numerical scale with a genuine zero and uniform distances between adjacent points. A zero on a ratio scale, in contrast to an interval scale, indicates complete lack of the variable being measured. Examples of ratio scales include length, area, and population.

As, There are four scales of measurement: Nominal, Ordinal, Interval, and Ratio.

First, The categories in this scale are given names, hence the label "nominal." There is no innate hierarchy among the categories. Simply said, it is impossible to say that one category is superior to or better than another.

Ordinal scale: It is possible to rationally organise the various categories in a meaningful order. The distinction between the categories is not "meaningful," nevertheless.

Interval scale: Doubling has no significance, but values (not categories) can be arranged and have substantial differences. The lack of a "absolute zero" is the reason of this.

Scale of ratios: The values can be arranged in a way that makes a meaningful difference, and doubling also makes a difference. "Absolute zero" exists.

As a result, the ratio scale for the level of measurements is used to determine the average weight of newborn babies.

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solve the following inequality and graph the solution:

Answers

The solution will lie on the number line from (-∞ , 0)

An inequality is the representation of an algebraic statement with two non-equal values. One of the two variables can be larger than, more than or equal to, smaller than, or equal to another value by using a sign of inequality.

How is an inequality to be corrected?

One of the following options is available for resolving an inequality: Add the same amount to each side, deduct the same amount from each side, multiply each side by the same positive number, or split each side in half. If you multiply or divide each side by a negative value, the inequality sign must be reversed.

Given,

(x-0)(x-6)<0

⇒ x < 0 and x < 6

the solution will lie on the number line from -∞ to 0.

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The linear system L has augmented matrix which is row equivalent to the following matrix. How many solutions does L have? 1 0 0 0 -1 0 1 0 0 -2 0 0 1 01-3 0 0 0 1-4 0 0 0 0 0 One. There is a unique solution. There is not enough information to determine how many solutions Lhas. Zero, the system is inconsistent Infinitely many solutions.

Answers

the system is inconsistent Infinitely many solutions.

What is matrix?

The plural version of the word matrix is a matrix, which refers to the arrangements of numbers, variables, symbols, or phrases in a rectangular table with varying numbers of rows and columns. These arrays have a rectangular shape, and several operations like addition, multiplication, and transposition are specified for them. The components of the matrix are referred to as its entries or numbers. Vertical and horizontal entries in matrices are referred to as columns and rows, respectively. A matrix with m rows and n columns will contain m n entries. The uppercase letter 'A' stands for "matrix," Aij.

The given matrix is [tex]\left[\begin{array}{ccccc}1&0&0&0&0\\0&1&0&0&0\\0&0&1&0&0\\0&0&0&1&0\\0&0&0&0&1\\0&0&0&0&0\end{array}\right][/tex]

This is a linearly dependent matrix a row is 0.

Hence, the system is inconsistent Infinitely many solutions.

Hence the element s₂₃ of the given matrix is -2

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PLEASEEEE HELPOPOPOPPPPPP

Answers

The average rate of change of the function in the interval [ 4 , 9 ] is given by the equation m = -67

What is the rate of change of function?

The average amount that a function changed per unit during that time period is the rate of change of that function. It is calculated using the slope of the line connecting the interval's endpoints on the graph of the function.

Rate of change = f ( b ) - f ( a ) / ( b - a )

Given data ,

Let the equation of line be represented as A

Now , the value of A is

Let the first point be P ( 4 , -84 )

Let the second point be Q ( 9 , -419 )

Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Substituting the values in the equation , we get

The rate of change of the function = slope

Slope m = ( -419 - ( -84 ) ) / ( 9 - 4 )

On simplifying the equation , we get

Slope m = ( -419 + 84 ) / 5

Slope m = -335/5

Slope m = -67

Hence , the rate of change of function is m = -67

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Answer the questions below

Answers

A two-column table to prove that the triangles formed by the vertical support beam are congruent, (ΔAXB ≅ Δ(CXB) is presented as follows;

[tex]{}[/tex]  Statement                             Reasons

1. [tex]\overline{BX}[/tex] ⊥ [tex]\overline{AC}[/tex]; AB = CB    [tex]{}[/tex]                        Given

2. m∠BXA = m∠BXC = 90°[tex]{}[/tex]                   Definition of ⊥ segments

3. ΔABC is an isosceles triangle [tex]{}[/tex]         Definition

4. ∠BAC ≅ ∠BCA   [tex]{}[/tex]                               Base angles of an isosceles Δ

5. ΔAXB ≅ ΔCXB [tex]{}[/tex]                                 SAA congruence postulate

What are congruent triangles?

An indication that two triangles are congruent is if the corresponding sides on each of the triangles are congruent.

The details of the reasons used to prove that the triangles ΔAXB and ΔCXB are congruent, are presented as follows;

[tex]\overline{BX}[/tex] ⊥ [tex]\overline{AC}[/tex]; Perpendicular segments

Two segments are perpendicular if they intersect at right angles, such that the angles formed by the intersection of the segments are 90° angles

Isosceles triangles

An isosceles triangle is a triangle that has a pair of congruent sides (sides of the same length)

Base angles of an isosceles triangle are congruent

The sides of the same length in an isosceles triangle, according to the angle side relationship theorem, the angle opposite the congruent sides of an isosceles triangle which are the base angles of the triangle are congruent.

SAA congruence postulate

The Side-Angle-Angle, SAA, congruence postulate states that if in a triangle, two angles and a non included side are congruent to two angles and a non included side of another triangle, then the two triangles are congruent

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Add write each sum in simplest form 5/12+1/4

Answers

Adding Fractions

Before solving for fractions, you must know what you're doing. This will list information you should know to solve fraction problems.

A fraction represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters

Step by Step Answer Explanation

[tex]\frac{5}{12} + \frac{1}{4}[/tex] is our equation, so let's solve this step by step,

Common Denominator

As you can see, the fractions have unlike denominators. An unlike denominator is when 2 or more fractions have different denominators. One of our denominators is 12 and the other is 4, so this shows we have unlike denominators. The way we get the denominators to be the same is multiplying. Its a quicker method to easily make them the same. We can also skip count until the numbers meet:

12: 12,

4: 4, 8, 12

The fraction denominator can be 12. We can also prove that it is 12 by showing the Least Common Denominator, or LCD. LCD (5/12, 1/4) = 12.

[tex]\frac{5}{12}[/tex] × [tex]\frac{1}{1}[/tex] = [tex]\frac{5}{12}[/tex] . We multiply this by [tex]\frac{1}{1}[/tex] because the denominator is already 12.

[tex]\frac{1}{4}[/tex] × [tex]\frac{3}{3}[/tex] = [tex]\frac{3}{12}[/tex].  We multiply this by [tex]\frac{3}{3}[/tex]  so we can make the denominator 12.

Adding the fractions

Now that we have our equation, [tex]\frac{5}{12}[/tex]  + [tex]\frac{3}{12}[/tex], we can easily add the fractions.

We do not add the denominators, however, we do add the numerators. We can express this as [tex]\frac{5+3}{12}[/tex]. 5 + 3 = 8. So, the numerator is 8. This means our answer is [tex]\frac{8}{12}[/tex].

Reduce

As your question says the sum must be in simplest form, you must reduce the answer to get it in simplest form. To reduce, you must divide. [tex]\frac{8}{12}[/tex] can be reduced, or divided by 4 to get it to simplest form. [tex]\frac{8}{12}[/tex] ÷ [tex]\frac{4}{4}[/tex] = [tex]\frac{2}{3}[/tex].

Answer

Simplest form: [tex]\frac{2}{3}[/tex]

Not in its simplest form: [tex]\frac{8}{12}[/tex]

If you collect 100 heights from around your school to get an average of 60.5
inches and you estimate that the population standard deviation is 5, what is your
confidence interval and margin of error (with a 95% level of confidence)?
A. Confidence interval: 60 to 61; margin of error: ± 0.5
B. Confidence interval: 59.5 to 61.5; margin of error: ± 1.0
C. Confidence interval: 59 to 62; margin of error: ± 1.5
D. Confidence interval: 58 to 63; margin of error: ± 1.0

Answers

The confidence interval: 59.5 to 61.5; margin of error: ± 1.0. Option B is the correct answer.

What is confidence interval?

The confidence interval (CI) is a range of values that, with a particular level of confidence, is likely to include a population value. A population mean that sits between an upper and lower interval is frequently stated as a percentage.

The confidence interval is given as:

x' ± 1.96 s/√n

Substituting the value of x' = 60.5, s = 5, and n = 100.

60.5 ± 1.96 (5/ √√100)

60.5 ± 1.96 (5/10)

60.5 ± 0.98

Hence, the confidence interval: 59.5 to 61.5; margin of error: ± 1.0. Option B is the correct answer.

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Prove that cosec (A+B) = sinA cosB - cosA sinB ÷ ( sinA + sinB ) ( sinA - sinB )​

Answers

The formula cosec (A + B) = sinA cosB - cosA sinB ÷ (sinA + sinB)(sinA - sinB) can be proven using the trigonometric identities.

How to prove this?

Starting with the definition of cosecant:

cosec (A + B) = 1/sin (A + B)

Using the sum-to-product identity:

sin (A + B) = sinA cosB + cosA sinB

Substituting this expression into the definition of cosecant:

cosec (A + B) = 1 / (sinA cosB + cosA sinB)

Using the difference-to-product identity:

sinA - sinB = 2sin((A - B)/2)cos((A + B)/2)

Dividing both numerator and denominator by 2sin((A - B)/2)cos((A + B)/2), we get:

cosec (A + B) = (sinA cosB - cosA sinB) ÷ (sinA + sinB)(sinA - sinB)

Therefore, the formula cosec (A + B) = sinA cosB - cosA sinB ÷ (sinA + sinB)(sinA - sinB) has been proven.

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Let x represent the number of water bottles and y represent
the number of pairs of socks that Malia buys.
Use the graph to determine if Malia can buy 75 water bottles
and 100 pairs of socks. Explain.

Answers

Malia can't buy 75 water bottles and 100 pairs of socks because it is not a solution to the system.

Can Malia buy 75 water bottles and 100 pairs of socks?

Here we have a graph of inequalities, and we just need to see if the pair (75, 100) is a solution.

The solutions of the system are all the points in the intersection of the two shaded areas (in this case are all the points in the green area)

Now, clearly the point (75, 100) is not a solution

Even if you evaluate that in the first inequality:

x + y ≥ 200

we get:

75 + 100 ≥ 200

175 ≥ 200

which is false.

So no, Malia can't buy 75 water bottles and 100 pairs of socks.

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The average high temperatures in degrees for a city are listed.

58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 101° is added to the data, how does the mean change?

Answers

For the given scenario the mean changes from 80.42 to 82.

What is the average?

In maths, the average value in a set of numbers is the middle value, calculated by dividing the total of all the values by the number of values. When we need to find the average of a set of data, we add up all the values and then divide this total by the number of values.

Given that, the average high temperatures in degrees for a city are 58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57.

Now, average = (58+61+71+77+91+100+105+102+95+82+66+57)/12

= 965/12

= 80.42

If a value of 101° is added to the data, then the new average is

(965+101)/(12+1)

= 1066/13

= 82

Therefore, for the given scenario the mean changes from 80.42 to 82.

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Hector manages Food Plaza, a small grocery store. Based on the previous year's sales data, he estimates that Food Plaza can sell
a = -2000p + 7540 lemons this year, where p is the price of a single lemon and a is the total amount of lemons sold at price p.
Walt supplies Food Plaza with all the fruits and vegetables they sell. Walt can sell Hector at most 5000 lemons in a single year.
If Food Plaza pays Walt $1.60 per lemon on average, how many lemons should Hector buy from Walt in order to maximize the
store's profit?

Answers

To maximize the store's profit, Hector should aim to sell as many lemons as possible while paying the lowest price possible for them. Since Hector estimates that he can sell a maximum of -2000p + 7540 lemons at price p, and Walt can supply at most 5000 lemons, Hector should buy all of the 5000 lemons from Walt.

To determine the price at which Hector should buy the lemons from Walt, we need to consider the average cost of the lemons. If Hector buys 5000 lemons at $1.60 per lemon, he will spend a total of 5000 x $1.60 = $8000 on lemons.

If he sells all 5000 lemons at the price p, his revenue will be (-2000p + 7540) x 5000 = -10,000,000p + 37,700,000.

His profit will be the difference between revenue and cost, which is given by:

Profit = -10,000,000p + 37,700,000 - $8000

To maximize profit, we need to take the derivative of the profit function with respect to p and set it equal to zero:

dProfit/dp = -10,000,000 = 0

Solving for p, we get:

p = $1.00

Therefore, Hector should buy 5000 lemons from Walt at $1.00 per lemon to maximize the store's profit.


[tex]( - 2a \times 4b) - ( - 12a \times 6b)[/tex]
how do u do this​

Answers

The value of the given expression is 64ab.

What are Expressions?

Expressions are mathematical statements which consist of two or more terms and terms are connected to each other using mathematical operators like addition, multiplication, subtraction and so on.

Given a mathematical expression which includes the basic operations of multiplication and subtraction.

There are two terms for the expression, (-2a × 4b) and (-12a × 6b).

-2a × 4b = -8ab

-12a × 6b = -72ab

(-2a × 4b) - (-12a × 6b) = (-8ab) - (-72ab)

Two negatives become positive.

(-8ab) - (-72ab) = -8ab + 72ab

Both are like terms since the variables a and b are same. Just subtract it.

-8ab + 72ab = 64ab

                                   

Hence the solution of the difference of the expression is 64ab.

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DUE TODAY, TELL ME THE SOLVE THE PROBLEM AND SHOW WORK WITH GRAPH

Answers

Answer:

see below

Step-by-step explanation:

We need to solve the below two equations by graphing. We will plot the graph of the given equations and the point of intersection of line would be the solution to the equation.

[tex] 1. \begin{cases} y = -\dfrac{1}{2}x+2\\\\ y = -3x - 3 \end{cases}[/tex]

Firstly let's make a table;

[tex]\boxed{\begin{array}{c|c|c} x & 0 & 1 \\ y & 2 & 1.5 \end{array}}[/tex]

Now plot the points , (0,2) and (1,1.5) .

Similarly make another table for second equation [tex] y = -3x - 3[/tex] as ,

[tex]\boxed{\begin{array}{c|c|c} x & 0 & 1 \\ y & -3 & -6\end{array}}[/tex]

Now draw the lines joining the points. Hence from the graph the line intersects at (-2,3)

So the solution to equations are ,

[tex]x = - 2[/tex][tex]y = 3[/tex]

_________________________________

Similarly we will solve the second set of equations as ,

[tex] 2. \begin{cases} x-4y=12\\\\ 7x-4y=12 \end{cases}[/tex]

make a table for plotting equation [tex] x-4y=-12[/tex]

[tex]\boxed{\begin{array}{c|c|c} x & 12 & 16 \\ y & 0 & 1\end{array}}[/tex]

make a table for plotting equation [tex] 7x-4y=12[/tex]

[tex]\boxed{\begin{array}{c|c|c} x & 0 & 2 \\ y & -3 & 0.5\end{array}}[/tex]

Now we see that the equations intersect at point (4,4) So the solution to the given equation is ,

[tex]x = 4[/tex][tex]y = 4[/tex]

________________________________

[tex] 3. \begin{cases} -8x-4y = 12 \dots (1)\\\\ x=y\dots(2)\end{cases}[/tex]

substitute value of equation 2 in 1

[tex]\longrightarrow -8x - 4x = 12 \\ [/tex]

simplify,

[tex]\longrightarrow -12x = 12[/tex]

Divide both sides by 12 ,

[tex]\longrightarrow\underline{\underline{ x = -1}} [/tex]

Substitute this value in equation 2 as ,

[tex]\longrightarrow x = y \\ [/tex]

[tex]\longrightarrow\underline{\underline{ y = -1}} [/tex]

Hence our required solution is ,

[tex]x = - 1[/tex][tex]y = - 1[/tex]

___________________________________

[tex] 4. \begin{cases} 2x + 4y = -10 \dots (1)\\\\ -7x -y = 22(2)\end{cases}[/tex]

Taking equation 2 ,

[tex]\longrightarrow y = -7x -22 [/tex]

substitute this value in equation 1,

[tex]\longrightarrow 2x + 4(-7x-22)=-10\\[/tex]

[tex]\longrightarrow 2x -28x -88 = -10\\ [/tex]

[tex]\longrightarrow -26x = 78\\[/tex]

divide both sides by 26,

[tex]\longrightarrow\underline{\underline{ x = -3}} [/tex]

Again, substitute this value in equation 2 , as ;

[tex]\longrightarrow y = -7(-3) -22\\ [/tex]

[tex]\longrightarrow y = 21 -22\\ [/tex]

[tex]\longrightarrow\underline{\underline{ y = -1}} [/tex]

hence our required solution is ,

[tex]x = - 3[/tex][tex]y = - 1[/tex]

And we are done!

Stephen signed up to bring 5 gallons of lemonade to the company picnic. He has a 5-gallon bucket that contains 3.5 gallons of lemonade. How many pints of lemonade will he need to add in order to fill the bucket?

Answers

Answer:

6 pints of lemonade. here you go

Please help due tonight

Answers

The missing side lengths are given as follows:

y = 6.93.x = 13.86.

What are the trigonometric ratios?

The three trigonometric ratios are defined as follows:

Sine of angle = length of opposite side divided by the length of the hypotenuse.Cosine of angle = length of adjacent side divided by the length of the hypotenuse.Tangent of angle = length of opposite side divided by the length of the opposite side.

Considering the tangent of 30º, we can obtain the length y, as follows:

tan(30º) = y/12

y = 12 x tangent of 30 degrees

y = 6.93.

Applying the Pythagorean Theorem, we can obtain the length x, as follows:

x² = 6.93² + 12²

x = sqrt(6.93² + 12²)

x = 13.86.

More can be learned about trigonometric ratios at brainly.com/question/24349828

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What is the average atomic mass of the element in the data table?​

Answers

The average atomic mass of the element in the data table is 39.95 amu.

What is the average atomic mass of the element?

The average atomic mass of the element in the data table is calculated by applying the following formula.

average atomic mass = ( 0.3365 / 100  x 35.97 amu ) + ( 0.0632 / 100  x 37.96 amu ) + ( 99.6 / 100  x 39.96 amu )

average atomic mass = ( 0.121 amu ) + ( 0.024 amu ) + ( 39.8 amu )

average atomic mass = 39.95 amu

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A patient is not allowed to have more than 300 milligrams of cholesterol per day from a diet of eggs and meat. Each egg provides 150 milligrams of cholesterol. Each once of meat contains 100 milligrams of cholesterol. Write an inequality that describes the patients dietary restrictions for x eggs and y ounces of meat.

Answers

On solving the provided question, we can say that the equation of inequality will be as follows 150x + 100y [tex]\leq[/tex] 300

What is inequality?

An inequality in mathematics is a relationship between two expressions or values that is not equal. Thus, imbalance leads to inequality. An inequality creates the link between two values that are not equal in mathematics. Egality is distinct from inequality. When two values are not equal, most commonly use the not equal sign (). Different inequalities are used to contrast values, no matter how little or large. Many simple inequalities may be resolved by modifying the two sides until the variables are all that remain. But a number of things contribute to inequality: Negative values on both sides are divided or added. Trade off the left and right.

A patient is not allowed to have more than 300 milligrams of cholesterol per day from a diet of eggs and meat.

Each egg provides 150 milligrams of cholesterol.

Each once of meat contains 100 milligrams of cholesterol

so, the equation of inequality will be as follows

150x + 100y [tex]\leq[/tex] 300

To know more about inequality visit:

https://brainly.com/question/29914203

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