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2 years ago

!!!!!!!!PLEASE HELP!!!!!!!!

Mathematics

2 answers:

zloy xaker [14]2 years ago

7 0

Answer:

Step-by-step explanation:

128 divided 2 times X or 128/2 * X

then

128/2 * 5

Volgvan2 years ago

5 0

Answer: the answer is 25

Step-by-step explanation: werewolf

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A farmer wants to fence a rectangular area of 72 square feet next to a river. Find the length and width of the rectangle which u

Arlecino [84]

Answer:

12 ft parallel to the river
6 ft perpendicular to the river

Step-by-step explanation:

The least fence is used when half the total fence is parallel to the river. That is, the shape of the rectangle is twice as long as it is wide.

72 = W(2W)

36 = W²

6 = W . . . . . . the width perpendicular to the river

12 = 2W . . . . the length parallel to the river

_____

<em>Development of this relation</em>

Let T represent the total length of the fence for some area A. Then if x is the length along the river, the width is y=(T-x)/2, and the area is ...

A = xy = x(T -x)/2

Note that the equation for area is that of a parabola with zeros at x=0 and at x=T. That is, for some fence length T, the area will be a maximum at the vertex of this parabola. That vertex is located halfway between the zeros, at ...

x = (0 +T)/2 = T/2

The corresponding area width (y) is ...

y = (T -T/2)/2 = T/4

Equivalently, the fence length T will be a minimum for some area A when x=T/2 and y=T/4. This is the result we used above.

8 0

3 years ago

What number is 100000 more than 702083

Tomtit [17]

Just add them together to get the number. 100,000 + 702,083 = 802,083. 802083 is 100,000 more than 702,083.

7 0

3 years ago

CHORES Wayne raked 30 bags of leaves in 3 hours. If he raked the same number of bags each hour, how many bags of leaves did he r

zubka84 [21]

divide total bags by number of hours

30 bags / 3 hors = 10 bags per hour

he racked 10 bags per hour

7 0

3 years ago

Read 2 more answers

Julio considers the reduction of the triangle. 12 in height 21 in base and 8 in height x in base Not drawn to scale What is the

Serhud [2]

To find the cross product, you can set this up as a proportion. Please see the attached paper for one of the proportions you could use.

You would then multiply the numbers that are diagonal from each other.

You would have 21(8) = 12x or
168=12x.

6 0

3 years ago

Read 2 more answers

A farmer wants to net at least $10,000/acre on the sale of his 80-acre property. If he allows for a total of 10% for commissions

lara [203]

Answer:

$11,111.11

Step-by-step explanation:

Net Money farmer wanted to get the on selling 1 acre = $10,000

Percentage of commission and closing cost incurred by him = 10%

out of 100 %, he will incur cost of 10%,

rest of them will be with him.

In percentage money he would have be = (100 - 10)% = 90%

Thus, 90 % will be net money he would have.

Let the list price be $x

Given that 90% of this $x will be with farmer which is equal to

90% of x = 90/100 * x = 0.9 x

It is given that he wants to net $10000

so 0.9x = $10,000

=> x = $10,000/0.9 = $11,111.11.

Listing price per acre should be at least $11,111.11.

5 0

2 years ago