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3 years ago

Please I really need your help!

Mathematics

1 answer:

Alexeev081 [22]3 years ago

4 0

The correct answer would be A less than 1/2 inche

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The surface areas of two similar solids are 416yd ^2 and 1,354yd ^2. The volume of the larger solid is 2,976 yd^3. What is the v

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What is the lcm of 32 and 45

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1.A cube has side lengths of 15 inches, what is the surface area and volume of the cube? 2. A cube has side lengths of 8 inches,

omeli [17]

Answer:

Cube 1: 3375 cubed inches, 1350 inches squared.

Cube 2: 512 cubed inches, 384 inches squared.

Step-by-step explanation:

Formula for Volume of a Cube: $V=s^3\\$ (s - side length)

Formula for Surface Area of a Cube: $SA=6s^2$ (s- side length)

The side length's 15 inches.

Find the volume:

$V=15^3\\\rightarrow 15*15*15=3375\\\boxed {V=3375}$

The volume of cube one is 3375in³.

Find the surface area:

$SA=6(15)^2\\\rightarrow 15^2 = 225\\SA = 6 * 225\\\boxed {SA=1350}$

The surface area of cube 1 is 1350in².

The side length's 8 inches.

Find the volume:

$V=8^3\\\rightarrow 8*8*8= 512\\\boxed {V=512}$

The volume of cube two is 512in³.

Find the surface area:

$SA=6(8)^2\\\rightarrow 8^2=64\\SA=6*64\\\boxed {SA=384}$

The surface area of cube 2 is 384in².

<em>Brainilest Appreciated. </em>

3 0

3 years ago

20) Which of the following is in ascending order?

Lelechka [254]

<h3><u>Answer:- </u></h3>

$\longrightarrow \sf h) \:\:\dfrac{2}{3},0.67,70\%,0.8$

<h3><u>Solution:-</u></h3>

Let us first write all the provided number in decimal

$\quad\leadsto\sf \dfrac{2}{3}= 0.\bar{66}$

$\quad\leadsto\sf 70 \% = \dfrac{70}{100}$

$\quad\quad\quad\implies\sf 0.7$

$\quad\leadsto 0.67$

$\quad\leadsto 0.8$

<u>Comparing all the numbers </u><u>now </u><u>-</u>

$\longrightarrow \sf 0.\bar{66}$

$\longrightarrow\sf \dfrac{2}{3}$

6 0

2 years ago

HELP ME PLEASE I WILL MARK YOU BRAINY THANK U SO MUCH

Mumz [18]

Answer:3

Step-by-step explanation:

8 times 3 times 1/2 =12

2 times 1/2 times 4=4

12/4=3

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3 years ago

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