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2 years ago

V= lwh If l=3, w=4, h=6 What would “v” equal?

1 answer:

5 0

V would be 72

you need to multiple 3, 4, and 6.

doing it in separate steps could be easier

3 x 4 is 12. then 12 x 6 is 72

or if u have a calculator, just punch 3 x 4 x 6 which should give you 72

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PLEASE HELP!!! NEED HELP ASAP !!! WILL MARK BRAINLIEST !!!

Aleks04 [339]

Answer:

36 π square feet

Step-by-step explanation:

so the formula for area of a circle is πr^2

so the radius is 6, which we can just plug in

π(6)^2

36π

so option 3

5 0

2 years ago

The hypotenuse of a 30o-60o-90o triangle measures 4 square 3 inches. What is the length of the shorter leg?

Fofino [41]

Answer:

The shorter leg is $2\sqrt{3}$ inches

Explanation:

The 30°-60°-90° is a special type of right-angled triangles

It has the following special side length:

The length of the side opposite to the 30° is $\frac{1}{2}$ the length of the hypotenuse

The length of the side opposite to the 60° is $\frac{\sqrt{3} }{2}$ of the hypotenuse

Now, we know that the lengths of the sides in a triangle are proportional to the angles

This means that the shortest side will be the one opposite to the smallest angles

In our case, the shortest side will be the one opposite to the 30° angle

We are given that the hypotenuse of the triangle is $4\sqrt{3}$ in

From the above:

Shorter leg = leg opposite to 30° = $\frac{1}{2} * hypotenuse = \frac{1}{2} * 4\sqrt{3} = 2\sqrt{2}$ inches

Hope this helps :)

5 0

2 years ago

A and b find volume and the total surface

Stels [109]

Answer:

Volume=a3 or a*a*a

Volume=24*36*18

Volume=15552inch^3

For surface are formula is

A = 2wl + 2lh + 2hw

5 0

2 years ago

Are you getting enough sleep? Many kids aren’t getting enough sleep, and TV might be part of the problem. Among 2002 randomly se

Naya [18.7K]

Using the z-distribution, it is found that the lower bound of the 99% confidence interval is given by:

d. 68.39%.

<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which:

$\pi$ is the sample proportion.

z is the critical value.

n is the sample size.

In this problem, we have a 99% confidence level, hence $\alpha = 0.99$ , z is the value of Z that has a p-value of $\frac{1+0.99}{2} = 0.995$ , so the critical value is z = 2.575.