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spayn [35]
3 years ago
6

The coordinate grid shows a scale model in feet of Sylvia’s bedroom. Sylvia wants to apply a border around the top of the bedroo

m walls. What is the length of the border that Sylvia needs?
20ft
22ft
32ft

Mathematics
1 answer:
LenaWriter [7]3 years ago
3 0

Answer:

22 ft

Step-by-step explanation:

Find the perimeter.

6 + 6 + 5 + 5 = 22 ft

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Answer:

Step-by-step explanation:

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3 years ago
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A cylinder has a radius of 4 inches and a high of 10.5 inches what is the approximate volume of the cylinder
olga55 [171]

Answer:

V ≈ 527.79

Step-by-step explanation:

Formula is V= πr2h

therefore

V = π * 4 * 2 * 10.5

V = π * 8 * 10.5

V ≈ 527.79

5 0
3 years ago
The two rectangles shown have equal areas. Find the value of x
Tema [17]

Answer:

x=18

Step-by-step explanation:

We need to find the areas of the rectangles

1st rectangle

A= l*w

A = (2x+4)*9

   = 18x+36



2nd rectangle

A = l*w

   = 15*(3x-30)

    = 45x-450


Since the area of the rectangles are equal, we set these two equations equal

18x+36 = 45x-450

Subtract 18x from each side

18x-18x+36 = 45x-18x-450

36 = 27x-450

Add 450 to each side

36+450 =27x

486 = 27x

Divide by 27 on each side

486/27 = 27x/27

18=x


7 0
3 years ago
Find the slope of the line that passes through (1,5) and (10, 10).
Oliga [24]

Answer:

\frac{5}{9}

Step-by-step explanation:

The formula for the slope with two points given would be

\frac{y_2-y_1}{x_2-x_1}

Substitute

\frac{10-5}{10-1} =\frac{5}{9}

5 0
3 years ago
A water balloon is catapulted into the air so that it's height, in meters, after t seconds is h = -4.9t^ +27t +2.4
zysi [14]
h = -4..9t^2+27t+2.4\ for\ t=3

Just replace t with 3 and solve.

h = -4.9*3^2 + 27*3 + 2.4 \\ h = -4.9*9 + 27*3 + 2.4 \\ h=-44.1 + 81 + 2.4 \\ \boxed{h=39.3}
6 0
3 years ago
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