What is the volume of a sphere when r = 9 ft

Answers

Answer 1

Answer: volume of a sphere is calculated using a formula:
$(4)/(3) \pi * r^(3)$

so in this case:

$(4)/(3) \pi * 9^(3)$

and taht is:

$(4)/(3) \pi *729$
$= 972 \pi$

Hope it helps you! :)

Answer 2

Answer: $V=\frac43 \pi r^3\n r=9m\n \n V=\frac43 \pi 9^3=\frac43 \cdot 729\pi=972\pi$

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What 3 digits are in the units period 4083817

Answers

the units period is the ones place. and also, what school do you go to?

John is thinking of a number. He gives the following 3 clues. ``My number has 125 as a factor. My number is a multiple of 30. My number is between 800 and 2000.'' What is John's number?Please answer correctly

Answers

Answer:

John's number is 1500

Step-by-step explanation:

* Lets explain how to solve the problem

- Factors of a number are the numbers you multiply to get the number

- Ex: Factors of 12 are 1 × 12 , 2 × 6 , 3 × 4

- The factors of a number smaller than or equal the number

- Multiple of a number is that number multiplied by an integer

- Ex: 2, 4, 6, 8, and 10 are multiples of 2

- The multiples of a number greater than or equal the number

* Lets solve the number

- John is thinking of a number

- He gives the following 3 clues

# The number has 125 as a factor

# The number is a multiple of 30

# The number is between 800 and 2000

∵ 125 is a factor of the number

- Assume that the number is 125 (its factors 1 , 5 , 25 , 125)

∵ The number is a multiple of 30

- Assume the number is 30 (the first multiple of 30)

- To solve the problem lets find the lowest common multiple of 125

and 30 by using prime numbers only

∵ The prime factors of 125 = 5 × 5 × 5

∵ The prime factors of 30 = 2 × 3 × 5

- L.C.M of the two numbers is the product of their prime factors

without reputation

∴ L.C.M = 5 × 5 × 5 × 2 × 3 = 750

∵ 750 has 125 as a factor

∵ 750 is a multiple of 30

- But 750 is not between 800 and 2000

∴ Find a multiple of 750 and between 800 and 2000

∵ 2 × 750 = 1500

* lets check the three clues

∵ 1500 has 125 as a factor

∵ 1500 is a multiple of 30

∵ 1500 is between 800 and 2000

∴ John's number is 1500

a painter painted about half a room in half a day. Coley estimated the painter would paint 7 rooms 7 days. Is Coley's estimate reasonable? Explain.

Answers

YES, because If the painter painted half room in half day then he probably could finish 1 room in 1 day, so & rooms in 7 days is a reasonable estimate.

Hope I helped:P

no because it does not explain the size of each room

What is the percent of change 62 trees to 31 trees

Answers

The percent of change from 62 trees to 31 trees is 50 % after applying the concept of percentage.

What is the percentage?

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

It is given that:

The percent of change 62 trees to 31 trees

Let x be the percent:

The value of x can be evaluated as:

As we know, the usage of percentages is widespread and diverse. For instance, numerous data in the media, bank interest rates, retail discounts, and inflation rates are all reported as percentages. For comprehending the financial elements of daily life, percentages are crucial.

x = [(62 - 31)/62]×100

x = [31/62]×100

x = 50 %

Thus, the percent of change 62 trees to 31 trees is 50 % after applying the concept of percentage.

Learn more about the percentage here:

brainly.com/question/8011401

#SPJ2

To find the percentage of change, find the difference between the two by subtracting 31 from 62, leaving you with 31. Divide 31 by 62, which should give you 0.5. Multiply this number by 100, leaving you with 50%. There is a 50% change from 62 trees to 31 trees.

166.5 x what = 2,830.5

Answers

X=17 if you do 166.5 times 17 it is equal to be 2,830.5

17 Because all you have to do is divide the numbers.

Isthere 100 inches in 8 foot

Answers

No there are 96 inches in 8 feet because,
12 inches = 1 foot
12 x 8 = 96
so there are 96 inchs in 8 feet

No 8×12=96 96 inches in 8 foot

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