2 years ago

Please help me last time I asked 2 days ago! No one answered. :(

Mathematics

2 answers:

Effectus [21]2 years ago

8 0

The answer is the one in the right up, the first one.

pickupchik [31]2 years ago

5 0

Answer: The answer is number 4

Step-by-step explanation:

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Some people use a rule to see how many hours a child should sleep at night. Subtract the child's age in years from 30, then divi

m_a_m_a [10]

It would be 8 hours. 30-14=16. 16/2=8.

6 0

3 years ago

Analyze this equation.

sammy [17]

The answer is b. Hope this helped

3 0

3 years ago

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12) I can run 3.6 miles in 30 minutes. How far can I run in 1.5 hours?

raketka [301]

1.5 hours=90 minutes

Because 90 minutes/ 30 minutes is 3, multiply 3.6 miles by 3 and get 10.8 miles as your final answer

3 0

3 years ago

Fed [463]

Answer:

The out put 1. 5

The out put 2. 6

Step-by-step explanation:

What is this sopost to mean?

Srry if that did not helps much I tried my best

Please give me Brainliest

I really need it plz

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3 years ago

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Find the volume of the following. Please round your answer to the nearest tenth. Please do not put units. Hint: You need to use

Sophie [7]

Answer:

V = 1,568

Step-by-step explanation:

The Volume of a Square Pyramid

Given a square-based pyramid of base side a and height h, the volume can be calculated with the formula:

$\displaystyle V=\frac{1}{3}a^2h$

We are given a square pyramid with a base side a=14 ft but we're missing the height. It can be calculated by using the right triangle shown in the image attached below, whose hypotenuse is 25 ft and one leg is 7 ft

We use Pythagora's theorem:

$25^2=h^2+7^2$

Solving for h:

$h^2=25^2-7^2=625-49=576$

$h=\sqrt{576}=24$

The height is h=24 ft. Now the volume is calculated:

$\displaystyle V=\frac{1}{3}*14^2*24$

V = 1,568

3 0

2 years ago