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3 years ago

10

Andrew is pouring a square shaped patio and needs 529 square feet of concrete what is the length of each side of the patio? Expl

ain

1 answer:

LekaFEV [45]3 years ago

4 0

Answer:

The answer is 23 feet on each side

Step-by-step explanation:

Sqrt of 529= 23

Hope it works

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Acompact disc box is 11.5 cm long,7 cm wide and 1.5 cm tall. What is the total surface area of a stack of five such compact disc

REY [17]

Answer:

<em>1,172.5cm²</em>

Step-by-step explanation:

Total surface area of a box = 2(LW + WH + LH)

L is the length = 11.5cm

W is the width = 7cm

H is the height = 1.5cm

Substitute

TSA = 2(11.5(7) + 7(1.5) + (11.5)(1.5))

TSA = 2(80.5+10.5+17.25)

TSA = 2(117.25)

TSA = 234.5cm²

<em>Hence the total surface area of a stack of five such compact disc boxes will be 5(234.5) = 1,172.5cm²</em>

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3 years ago

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Ray Of Light [21]

Answer:

A and D

Step-by-step explanation:

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3 years ago

Area of Square = 45 cm?<br> What is the perimeter?

9966 [12]

It’s 9 centimeters long

4 0

3 years ago

What is the sum of 10 cubed and 25 squared?

White raven [17]

The sum is 1625.

Answer in Words: One thousand and six hundred twenty-five.

The cube of 10 is 1000.

10 X 10 = 100 (square of ten)
100 x 10 = 1000 (cube of ten)

The square of 25 is 625.

25 x 25 = 625 (square of 25)

Therefore, 1000 + 625 = 1625

the sum is 1625

3 0

3 years ago

Marissa claims that stacking 6 blocks with dimensions of One-half times 1 times 1 will give the same volume as stacking 9 blocks

quester [9]

Answer:

(A)Six of the one-half cubes would have a volume of 3 cubic units.
(D)Three of the one-third cubes will make 1 unit cube.
(E)Two of the one-half cubes will make 1 unit cube.
(F)Both stacks will have a volume of 3 cubic units.

Step-by-step explanation:

Marissa claims that stacking 6 blocks with dimensions of $\frac{1}{2}X1X1$ will give the same volume as stacking 9 blocks with dimensions of $\frac{1}{3}X1X1$ .

First, let us examine the volume of each of the blocks.

<u>For Block 1</u>

The dimensions are: $\frac{1}{2}X1X1$

Volume of 1 block = $\frac{1}{2}X1X1= \frac{1}{2} $ cubic units$

Volume of 6 blocks of dimension $=6* \frac{1}{2} =3$ cubic units$

<u>For Block 2 </u>

The dimensions are: $\frac{1}{3}X1X1$

Volume of 1 block = $\frac{1}{3}X1X1=\frac{1}{3} $ cubic units$

Volume of 9 blocks of dimension $=9*\frac{1}{3} =3$ cubic units$

The following statements out of Marissa's claim are true:

(A)Six of the one-half cubes would have a volume of 3 cubic units.

(D)Three of the one-third cubes will make 1 unit cube.

$3*\frac{1}{3} =1$ cubic units$

(E)Two of the one-half cubes will make 1 unit cube.

$2*\frac{1}{2} =1$ cubic units$

(F)Both stacks will have a volume of 3 cubic units.

8 0

3 years ago