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4 years ago

13

Nadia wants to enclose a square garden with fencing.it had an area of 141 square feet. To the nearest foot,how much fencing will

she need

1 answer:

pishuonlain [190]4 years ago

8 0

The side length of the square is √141. The four sides of the square are the same length, so add to ...

... 4×√141 = 4×11.874 ≈ 47.497

This vaue rounds to 47 feet.

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A circle with center at (12,−1) passes through (0,−1). Find the circumference and area of the circle in terms of p.

madreJ [45]

Answer:

C = 75.36

A = 452.16

Step-by-step explanation:

Find the radius r by finding the distance between (12,-1) and (0,-1) using the distance formula.

$d = \sqrt{(12-0)^2 + (-1--1)^2} =\sqrt{(12)^2 + (0^2} =\sqrt{144+0} =\sqrt{144}=12$

The radius is 12.

So the circumference of the circle is $C = 2\pi r = 2\pi 12 = 24\pi = 75.36$

So the area of the circle is $A = \pi r^2\\A = \pi 12^2\\A = 144\pi\\A = 452.16$

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3 years ago

The Green family is a family of six people. They have used 4,885.78 gallons of water so far this month. They cannot exceed 9,750

svetoff [14.1K]

Answer:

The inequality is $6x+4,885.78\leq 9,750.05$

$x\leq 810.71\ gal$

Step-by-step explanation:

Let

x -----> amount of water that can be used by only one family member for the rest of the month

we know that

$6x+4,885.78\leq 9,750.05$

Solve for x

Subtract 4,885.78 both sides

$6x\leq 9,750.05-4,885.78$

$6x\leq 4,864.27$

Divide by 6 both sides

$x\leq 4,864.27/6$

$x\leq 810.71\ gal$ ---> maximum amount of water that can be used by only one family member for the rest of the month

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3 years ago

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mihalych1998 [28]

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3 years ago

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What is the domain of the function<br> f(x)=1x-3<br> -3 when the range is {-6. 0, 9}?

sineoko [7]

Answer:

D : { -3, 3, 12}

Step-by-step explanation:

I would suggest substituting the range for the function and solving for x like so.

i.e -6 = 1x-3, -6 + 3 = 1x -3 + 3, -3 = x, <u>x = </u><u>-</u><u>3</u><u>.</u>

0 = 1x - 3, 0 + 3 = 1x - 3 + 3, 3 = x, <u>x = 3</u><u>.</u>

9 = 1x - 3, 9 + 3 = 1x -3 + 3, 12 = x, <u>x = 12</u>

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3 years ago

Identify the domain and range of the relationship (-9,2)(-4,2)(3,2)(9,2)

finlep [7]

Domain: -9,-4, 3, 9
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