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3 years ago

14

a rectangle yard has area 96 square feet. if the width of the yard is 4 feet less than the length, what is the perimeter, in fee

t, of the yard?

1 answer:

agasfer [191]3 years ago

7 0

The answer is 40 feet.

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2x + y = 12<br> 4x - 3y = 2

7nadin3 [17]

Answer:

The value of x for equation is 3.4

The value of y for equation is 5.2

Step-by-step explanation:

Given as :

The two linear equation are

2 x + y = 12 ........A

4 x - 3 y = 2 .........B

Now, Solving both equations , we get

3 × ( 2 x + y ) + (4 x - 3 y) = 3 × 12 - 2

Or, 6 x + 3 y + 4 x - 3 y = 36 - 2

Or, (6 x + 4 x) + (3 y - 3 y) = 34

Or, 10 x + 0 = 34

∴ x = $\dfrac{34}{10}$

i.e x = 3.4

So, The value of x for equation , x = 3.4

Put the value of x into eq A

∵ 2 x + y = 12

Or, y = 12 - 2 x

Or, y = 12 - 2 × 3.4

Or, y = 12 - 6.8

∴ y = 5.2

So, The value of y for equation , y = 5.2

Hence, The value of x for equation is 3.4 and The value of y for equation is 5.2 Answer

4 0

3 years ago

You go down 8 floors in an elevator. Your friend goes up5 floors in an elevator. Write each amount as an integer.

Ivahew [28]

-8 and 5 (positive 5)

4 0

3 years ago

A triangular pyramid and its net are shown. Rain uses Calculations below to conclude that the surface area of a triangular pyram

Harman [31]

Answer:

Rain is correct, calculates correctly, 238.5 square inches

Step-by-step explanation:

The given triangular pyramid is shown with the dimensions.

The surface area of the triangular pyramid is given by :

$A=\frac{1}{2}\left(a \times b\right) + 3\left(\frac{1}{2}\times b\times s\right)$

$A=\frac{1}{2}\left(10 \times 8.7\right) + 3\left(\frac{1}{2}\times 10\times 13\right)$

$A=43.5+(3\times 65)$

$A=43.5+195$

$A=238.5 \ \text{inche}^2$

Therefore, the surface area of the triangular pyramid is = 238.5 square inches.

5 0

3 years ago

What's 1/2 divided by 3? Your answer should be written as a fraction.

Agata [3.3K]

Your answer should be 1/6 because you are dividing thing by the number.

8 0

2 years ago

Ursula scored 8 points in the second half of her basketball game. In total, she scored 32 points during the entire game. Click o

zhuklara [117]

Answer:

.

Step-by-step explanation:

.

4 0

2 years ago