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3 years ago

Complete the equation of the line whose slope is 5 and y-intercept is (0,4)

Mathematics

2 answers:

kap26 [50]3 years ago

8 0

4 = 5(0) + b

4 = 0 + b

b = 4

Alinara [238K]3 years ago

3 0

Answer: sorry idk it i also need it ;)

Step-by-step explanation:

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B, because certain animals live in certain water for a reason.

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3 years ago

Oscar has a piece of pie would that is 9‘ x 9‘ explain how we can divided into two smaller pieces of plywood would the area of t

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Answer:

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2.No

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goldenfox [79]

Answer:

Step-by-step explanation:

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2 years ago

a farmer is planning a rectangular area for her chickens. the area of the rectangle will be 200 square feet. three sides of the

Vladimir79 [104]

Let

x---------> the length side of the rectangular area

y---------> the width side of the rectangular area

we know that

the area of the rectangle is equal to

$A=x*y\\ A= 200\ ft^{2} \\ x*y=200$

$y=\frac{200}{x}$ -----> equation $1$

The perimeter of the rectangle is equal to

$P=2x+2y$

but remember that the fourth side of the rectangle will be formed by a portion of the barn wall

$P=x+2y$ -----> equation $2$

To minimize the cost we must minimize the perimeter

Substitute the equation $1$ in the equation $2$

$P=x+2*[\frac{200}{x} ]$

Using a graph tool

see the attached figure

The minimum of the graph is the point $(20,40)$

that means for $x=20\ ft$

the perimeter is a minimum and equal to $40\ ft$

Find the value of y

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$y=\frac{200}{20}$

$y=10\ ft$

The cost of fencing is equal to

$5*40= \$200$

therefore

the answer is

the length side of the the fourth wall will be $20\ ft$

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3 years ago