MATHEMATICS MIDDLE SCHOOL

You and your friend play a game. You have a final score of 30 points, and your friend has a score of -21. By how many points did you win?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

30 - (-21)

30 + 21

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What is the volume of the sphere? (Use 3.14 for π.) 301.44 in.3 2,712.96 in.3 904.32 in.3 1,521.12 in.3

Answers

Answer:

The volume of the sphere is 904.32 inch³.

Step-by-step explanation:

Answer:

v=4/3ttr3

Step-by-step explanation:

a tennis player hits a serve that cannot be returned 45 percent of the time. Out of 300 serves, how many can yiu predict will not be returned?

Answers

Remember that 45%=45/100=0.45

So if the tennis player serves the ball 300 times, and 45% cannot be returned, then we can use the following expression to solve for the answer:

300*0.45=135serves

Answer: 135 serves will not be returned

Answer:135 serves

Step-by-step explanation:

Remember that 45%=45/100=0.45

So if the tennis player serves the ball 300 times, and 45% cannot be returned, then we can use the following expression to solve for the answer:

300*0.45=135serves

Answer: 135 serves will not be returned

How many tenths equal to a one

Answers

10 tenths are equivalent to 1

10 tenths are equal to 1.

Hope i helped:P

Can u guys help me on this one too
20 + g = 25

Answers

20+5=25

Hope its correct ad definitely hope it helps:)

The seventh-grade class is building target areas for a PE activity. The bases for the game will be circular in shape. The diameter of each circle is 5 feet. Approximately how many square feet of the turf need to be painted for a base circle? Use 3.14 for π and round your answer to the nearest tenth. A.15.7 square feet

B. 19.6 square feet

C. 42.8 square feet

D. 78.6 square feet

Answers

Area of a circle is πr^2.

From this, we can calculate
π*2.5^2
= π*6.25
= 19.625
= 19.6

Answer:

I did the test the answer is 19.6 square feet

Step-by-step explanation:

22.48 as a whole number

Answers

The answer is 22, this is the answer because when you're rounding to the nearest whole number, you look at the number right next to the whole number. In this case, the number is 22.48, you can rewrite this as 22 & 48/100. So since the 4 in .48 is lower than 5, you do not bump up the whole number. Making it 22

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