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Mathematics

1 answer:

alex41 [277]3 years ago

7 0

The answer it’s D please give brainliest

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For tax reasons, I need to create a rectangular vegetable patch with an area of exactly 32 sq. ft. The fencing for the east and

S_A_V [24]

Let the length of the north and south sides be x, then the length of the east and west side is 32/x.
The total fencing needed is the perimeter of the rectangle = 2x + 2(32/x) = 2x + 64/x
Cost of fencing the north and south sides is 2(2x) = 4x
Cost of fencing the east and west sides is 4(64/x) = 256/x
Total cost (C(x)) of fencing the vegetable patch is 4x + 256/x

For minimum cost dC/dx = 0
4 - 256/x^2 = 0
4x^2 - 256 = 0
x^2 = 64
x = 8

Therefore, the dimensions of the vegetable patch with the least expensive fence is
north and south sides = 8 ft
east and west sides = 32/8 = 4 ft

7 0

3 years ago

A discount store sells items at 80% of the regular price. If the sale price of sneakers is $96, what is the regular price ?

tresset_1 [31]

Answer:

$120

Step-by-step explanation:

80%=$96

1%=80%/80=96/80=1.2

100%=1%×100%=1.2×100=120

4 0

2 years ago

A tie-dye kit with one T-shirt costs $15. Each additional T-shirt costs $4 more. Choose the explicit formula to represent the si

vladimir2022 [97]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What is the solution for this system of equations? y= -1/4x + 6 y= x+1

snow_lady [41]

9514 1404 393

Answer:

(x, y) = (4, 5)

Step-by-step explanation:

Equating the expressions for y gives ...

-1/4x +6 = x +1

5 = 5/4x . . . . . . . add 1/4x-1

4 = x . . . . . . . . . . multiply by 4/5

y = x +1 = 4 +1

y = 5

The solution is (x, y) = (4, 5).

3 0

3 years ago

If the circulation for newspaper 1 is 382 thousand more than the circulation for newspaper 2 and their combined is 2502 thousand

goldenfox [79]

If the circulation for newspaper 1 is 382 thousand more than the circulation for newspaper 2 and their combined is 2502 thousand find the circulation for each paper

Answer: Let x be the circulation for newspaper 2.

Then the circulation for newspaper 1 is $x +382$ thousand