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Dennis_Churaev [7]

3 years ago

5

there were twenty one adults in line at a movie theater.That is three times the number of children in line. how many children we

re in line?

1 answer:

V125BC [204]3 years ago

7 0

You would do 21 divided by 3 and get 7.

The answer is 7 kids are in the line.

Please vote my answer the brainiest if it was helpful!!

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Need help ASAP DUE IN A COUPLE MINUTES ?!!!!

Georgia [21]

Answer:

$\displaystyle {r}^{} = 6$

Step-by-step explanation:

remember that,

$\displaystyle V _{ \rm sphere} = \frac{4}{3} \pi {r}^{3}$

given that,

V=288π

thus substitute:

$\displaystyle \frac{4}{3} \pi {r}^{3} = 288\pi$

divide both sides by 4/3π:

$\displaystyle {r}^{3} = 216$

cubic root both sides:

$\displaystyle {r}^{} = 6$

and we are done!

8 0

3 years ago

Read 2 more answers

Compare the Following Ratios 7to 12 ________ 7/8<br><br> A: ><br> B: <<br> C: =

ser-zykov [4K]

Change the ratios to decimals and compare:

7 / 12 = 0.583

7 / 8 = 0.875

So 7:12 is less than 7/8

The answer is <

7 0

3 years ago

the density of a certain material is such that weighs 6900 grams for every 4.5 quarts of volume express this density in pounds p

dlinn [17]

Answer:

$d=101.4\ \text{pounds}/\text{feet}^3$

Step-by-step explanation:

Given that,

Mass of material, m = 6900 grams

Volume of the material, V = 4.5 quarts

We need to find the density in pounds per cubic foot

We know that,

1 pound = 453.59 grams

⇒ 6900 grams = 15.21 pounds

Also, 1 cubic foot = 29.92 quarts

4.5 quart = 0.15 feet³

Density = mass/volume

Or

$d=\dfrac{15.21\ \text{pounds}}{0.15\ \text{feet}^3}\\\\d=101.4\ \text{pounds}/\text{feet}^3$

Hence, the density of the material is $101.4\ \text{pounds}/\text{feet}^3$

3 0

3 years ago

What are he square roots of 36/100?

tiny-mole [99]

The square root of 36/100 is c. -6/10 and 6/10
You can get this by using a calculator.
@[email protected]

4 0

3 years ago

In a 30 degree, 60 degree, 90 degree triangle shortest side is 15. Find the lengths of the other sides. Will give brainliest for

iren2701 [21]

Answer:

The ratio of sides in a 30-60-90 triangle is 1:√3:2. Since the shortest side is the 1 in this case the other lengths are 15√3 and 30.

8 0

3 years ago