a baseball has the diameter of 3.8 inches, about how many times more volume does a basketball with radius of 4.78 inches have than a baseball

Answers

Answer 1

Answer: spheres so
V=(1/3)pir^3
d/2=r
calculate each

baseball
d=3.8
r=d/2=3.8/2=1.9
V=(1/3)pi(1.9)^2
V=(1/3)pi(3.61)
V=1.203333pi in^3

basketball
r=4.78
V=(1/3)pi(4.78)^2
V=(1/3)pi(22.8484)
V=7.616133333pi

how many times larger is basketbal thatn baseball?
baseballV times x=baskeballV
1.203333pi times x=7.616133333pi
dvide both sides by 1.20333333pi
x=6.3291966759002770083102494828032 times

or you could not simplify the fracitons and get
22.8484/3.61 times

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An industrial cleaner is manufactured using only the 3 secret ingredients A, B, and C, which are mixed in the ratio of 2:3:5, respectively, by weight. How many pounds of secret ingredient B are in a 42-pound (net weight) bucket of this cleaner?A. 4.2
B. 12.6
C. 14.0
D. 18.0
E. 21.0

Answers

Answer: The correct option is (B) 12.6.

Step-by-step explanation: Given that an industrial cleaner is manufactured using only the 3 secret ingredients A, B, and C, which are mixed in the ratio of 2 : 3 : 5 respectively, by weight.

We are to find the number of pounds of the secret ingredient B that are in a 42-pound bucket of this cleaner.

Let the quantities of the ingredients A, B and C in the cleaner be 2x, 3x and 5x respectively.

Then, according to the given information, we have

$2x+3x+5x=42\n\n\Rightarrow 10x=42\n\n\Rightarrow x=(42)/(10)\n\n\Rightarrow x=4.2.$

Therefore, the quantity of the ingredient B is given by

$3*4.2=12.6~\textup{pounds}.$

Thus, option (B) is CORRECT.

The ratios add up to 10 so 42/10 is 4.2 and as b is 3parts you times 4.2 by 3 giving you 12.6

Solve the equation 5w = 20

Answers

The answer to this is W=4

answer:

w = 4

work:

the question is asking you to find w in the equation 5w = 20. to do this, isolate w by dividing both sides by 5. 5/5w = 20/5. the fives cancel out and you are left with w = 4, so 4 is the solution to your equation.

hope this helps and have a great day!

- eviezoom <3

How can estimating be helpful before finding an actual product

Answers

Estimating will be helpful before finding an actual product because when we complete estimating (like, addition, subtraction, multiplication, division) it's check the final answer which we find.

Here,

We have to find the way of estimating which can be helpful before finding an actual product.

What is Estimating before multiplication?

Estimating is a way of approximately calculating an answer to check its accuracy . You shouldn't need to use a calculator or any written methods when estimating, even with large numbers or decimal numbers.

Now,

Estimating will be helpful before finding an actual product because when we complete estimating (like, addition, subtraction, multiplication, division) it's check the final answer which we find.

Learn more about the estimation visit:

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So you'll know if you estimated correctly, your answer should be about the same

3/4 + 7/12 - (-4)

PLZZZZZZZ help solve the problem

Answers

3/4+7/12−(−4)
4/3−(−4)
Answer:
16/3

I hope this helps!

Well 3/4 + 7/12 is 1/16 and that minus -4 is 4 1/16, and you can just round that to 4.

for sale, a store decrease it's price on all items by 25%. An item that cost $ 120 before the sale now costs $120 - 0.25 ( $ 120 )

Answers

It would then cost $90 because 25% of $120 is $30

What's 28/42 simplified

Answers

The simplified form of the given fraction 28/42 will be 2/3. The correct answer would be option (B) 2/3.

What is simplification?

In arithmetic, the operation and interpretation of a function to make it simpler or easier to grasp is known as simplifying, and the process itself is known as simplification.

The fraction is given in the question, as follows:

28/42

Multiplication and divide by 14 into the above fraction,

(28/42) × (14/14)

Solving the above expression, we get

2/3

This is the simplified form of the given fraction.

Therefore, the correct answer would be option (B) 2/3.

Learn more about Expressions here:

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The complete question would be as: