A ball is made of a plastic sphere covered with a layer of rubber. The plastic sphere has a radius of 18 in., and the ball itself has a radius of 21 in. What is the volume of the rubber layer? Use 3.14 to approximate pi and express your final answer in hundredths.

Answers

Answer 1

Answer: your answer should be 20162.99

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The numerical factor of a term. In 5x, the 5 is the coefficient.Identities
Origin
Exponent
Coefficient

Answers

'5' is the numerical coefficient. 'X' is the literal coefficient.

Which equations illustrate the associative property of addition? Choose exactly two answers that are correct. A. (11 + 2.2) + (–5) = 11 + [2.2 + (–5)]
B. –3 • (5 + 8.5) = –3 • 5 + (–3) • 8.5
C. + 1.8 = 1.8 +
D. –7 + [4 + (–2.1 • 6)] = (–7 + 4) + (–2.1 • 6)

Answers

Solutions

Associative Property is a rule that refers to grouping. The rule is "a + (b + c) = (a + b) + c".

The correct answers are (A) and (D)

(A) = (11 + 2.2) + (–5) = 11 + [2.2 + (–5)]

(D) = –7 + [4 + (–2.1 • 6)] = (–7 + 4) + (–2.1 • 6)

What is the value of -2(x+5)

Answers

Steps:
1. Multiply the -2 by x which equals -2x
2. Multiply -2 by 5 which equals -10
3. Your answer is -2x + -10

837 plus equals 2000 in math

Answers

2000
+837
2837

837 plus 2000 is equal to 2837

2877

837 + 2000 =2877

Pat helps run an animal shelte.The actual number of animals brought in during a particular month was 150. The percent error was 12%. If pat estimated on the high side (more than 150), how many animals did Pat think were brought to the shelter

Answers

Let us assume the number of animals that Pat miscalculated = x
The number of actual animals bought during a particular month = 150
Percentage of error that was made by Pat = 12%
Number of animals miscalculated by Pat can be written as
100x/12 = 150
100x = 150 * 12
x = 1800/100
= 18
Then
The the number of animals that Pat thought were brought to the shelter = 150 + 18
= 168
So Pat miscalculated the number of animals that were brought to the shelter was 168.

So I have a 80.98 B In my math class and on my test I scored a 100% what grade will I have when the test grade is put in? (test is worth 60% of overall grade) .13 Points!

Answers

Answer:

92.392% is your new grade

Step-by-step explanation:

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