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Nutka1998 [239]
3 years ago
13

[Pic] Find the volume of the pyramid.

Mathematics
1 answer:
worty [1.4K]3 years ago
7 0

Answer:

Step-by-step explanation:

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A farmer wishes to fence a rectangular area behind his barn. The barn forms one end of the rectangle and the length of the recta
Semenov [28]
1. The formula for calculate the perimeter of a rectangle, is:

 P=2L+2W

 P is the perimeter of the rectangle (P=320 feet).
 L is the lenght of the rectangle.
 W is the width of the rectangle.
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 2. The problem says that the length of the rectangle is three times the width, so you have:
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 L=3W

 3. When you substitute L=3W and P=320, into P=2L+2W, you obtain:

 P=2L+2W
 320=2(3W)+2W
 320=6W+2W
 8W=320
 W=320/8
 W=40 feet

 4. The barn forms one end of the rectangle. Therefore the linear feet of fence (x) is:

 x=P-W
 x=320 feet-40 feet
 x=280 feet
<span>
 How many linear feet of fence must he buy?
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 The answer is: 280 feet
5 0
3 years ago
5x+8=3x-6 plz help me asap
Ray Of Light [21]

Answer:

x = -7

Step-by-step explanation:

5x+8=3x-6

Subtract 3x from each side

5x-3x+8=3x-3x-6

2x+8 = -6

Subtract 8 from each side

2x+8-8 = -6-8

2x = -14

Divide by 2

2x/2 = -14/2

x = -7

6 0
3 years ago
Read 2 more answers
In Mr.Kleins class, 40% of the students are boys. What decimal represents the portion of the students that are girls?
Sidana [21]
Percent that are  girls = 100-40  = 60%
As a decimal 60% is 0.6.
4 0
3 years ago
What is the equation of a line that has a slope of -6 and passes through the point (2,-5)
atroni [7]

Answer:

Y=-6x+7

Step-by-step explanation:

Use the formula change in Y over change in X which is equal to - 6then calculate

6 0
2 years ago
A boater travels 532 miles. Assuming the boat averages 6.3 miles per gallon, how many gallons of gasoline(to the nearest then of
Readme [11.4K]

Answer:

84.4 gallons to the nearest tenth.

Step-by-step explanation:

Average usage = miles travelled  / gallons used  so:

6.3 = 532 / gallons used

Gallons used  =   532 / 6.3

= 84.44.

3 0
3 years ago
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