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3 years ago

A shere has a diameter of 24 units what is it’s volume in cubic units

Mathematics

1 answer:

Vika [28.1K]3 years ago

4 0

Answer:

7238 rounded to the nearest whole number.

Step-by-step explanation:

To find the volume of the sphere, we use the formula.

$v = \frac{4}{3} \pi {r}^{3}$

The radius will be 24 units ÷ 2 = 12 units.

Hence, the volume is

$\frac{4}{3} \pi \times {12}^{3}$

When entered in a calculator you'll get a result of 7238.23 cubic units in or 7238 rounded to the nearest whole number.

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Which equation represents the line that has a slope of 4 and passes through the point (2, 7)?

IrinaK [193]

Answer:

A) y = 4x - 1

Step-by-step explanation:

y = mx + b

y = 4x + b

7 = 4(2) + b

7 = 8 + b

-1 = b

y = 4x - 1

8 0

3 years ago

Johnetta simplified 7/9+ 3/8 her work is shown below. identify where she made an error

Sedbober [7]

She made an error in the STEP 1
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3 years ago

I don't like word problems, i need help with this guys

alina1380 [7]

Okay so first we want to find out how many cans one person uses a year. To find this we divide 16,801 by 53 and we get 317 cans a year. Using this we can find how many cans 1,694,000 people use a year by multiplying the people by 317. You get 536,998,000 cans a year, which is your answer.

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3 years ago

(4 7/8) (8 1/10) ( 3) HELP ASAP!!!!!!

Tom [10]

Answer:

8.4

Step-by-step explanation:

(7/8) (4) = 3.5

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3.5 × 0.8 × 3 = 8.4

Hope this helps.

7 0

3 years ago

Christopher estimates it will take him half an hour to complete his math homework. He is able to complete it in 25 minutes. What

marin [14]

Answer:

The percent error in his estimate is<u> 16.67%</u>.

Step-by-step explanation:

Given:

Christopher estimates it will take him half an hour to complete his math homework.

He is able to complete it in 25 minutes.

Now, to find the percent error in his estimate.

Time estimates of completing homework = 30 minutes.

Time actual taken to complete homework = 25 minutes.

Error in estimate = Time estimates of completing homework - Time actual taken to complete homework.

Error in estimate = 30 minutes - 25 minutes.

Error in estimate = 5 minutes.

Now, to get the percent error:

$Percent\ error =\frac{Error\ in\ estimate}{Time\ estimates\ of\ completing\ homework} \times 100.$

$Percent\ error=\frac{5}{30} \times 100$

$Percent\ error=\frac{500}{30}$

$Percent\ error=16.67\%.$

Therefore, the percent error in his estimate is 16.67%.

6 0

3 years ago