MATHEMATICS HIGH SCHOOL

Please help im so confused??
What is the surface area of the sphere below?
Please help im so confused?? What is the surface area - 1

Answers

Answer 1
Answer: First required to be found would be the radius, as you already have, is 5. Then use the formula 4 \pi r ^{2} [/tex], then you would receive the answer, for that would be 314.16.
Answer 2
Answer: A= 4πr2= 4·π·52≈ 314.15927

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Jennifer is buying cupcakes for a party. 12cupcakes is $8.40. What is the unit rate for
each cupcake?

Answers

Answer:

24

Step-by-step explanation:

Final answer:

The unit rate for each cupcake is $0.70.

Explanation:

To find the unit rate, we need to divide the total cost by the number of cupcakes. In this case, Jennifer bought 12 cupcakes for $8.40. So, the unit rate is $8.40 divided by 12 cupcakes.

We can calculate it as:

Unit rate = Total cost / Number of cupcakes = $8.40 / 12 cupcakes

Simplifying the division, we get:

Unit rate = $0.70 per cupcake

Learn more about Unit Rate here:

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GEOMETRY HELP PLEASE, ITS URGENT

Answers

You have to measure the lines with a ruler.

Holly finds that (11m – 13n + 6mn) – (10m – 7n + 3mn) = m – 20n + 9mn. What error did Holly make? a)he only used the additive inverse of 10m when combining like terms. b)She added the polynomials instead of subtracting. c)She only used the additive inverses of –7n and 3mn when combining like terms. d) She did not combine all like terms.

Answers

Answer:

a) She only used the additive inverse of 10m when combining like terms.

Step-by-step explanation:

Given : Holly finds that(11m-13n+6mn)-(10m-7n+3mn)=m-20n+9mn

First we open the bracket by multiplying minus sign in it, we get

11m-13n+6mn-10m+7n-3mn

Combining like terms we get, we get

11m-10m-13n+7n+6mn-3mn=m-6n+3mn → correct answer.

When we compare the correct answer to the answer given by Holly, the first term is same in both the answers,

Therefore, She only used the additive inverse of 10m when combining like terms.

Answer:

answer A

Step-by-step explanation:

49 to the power of 1/2 in radical form

Answers

49^1/2

\sqrt[2]{49}, or square root of 49 is the answer

What is 18027x1003. please explain the problem.

Answers

Well all you have to do is input 18027 * 1003 into your calculator, formerly known as 18027 multiplied by 1003 which gives us 18081081x

Round 44.8 to the nearest whole number

Answers

55 is the nearest whole number

Answer:

45 is the nearest whole number.

Step-by-step explanation:

You look at the first decimal when rounding to the nearest whole number.

4 or less let it rest

Example: 36.2

2 is less than 4 so you let it rest and the nearest whole number would be 36.

5 or more raise the score

Example: 36.6

6 is 5 or more so you raise the score and the nearest whole number would be 37.

Hope this helps!! :)
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Marie wrote this expression to describe the number of cherries she would give each friend. c ÷ 3 Which situation could be described by this expression? A. Marie does not know how many cherries she has to share. She knows she is sharing her cherries equally with 3 friends. B. Marie does not know how many cherries she has to share. She knows she will give each friend 3 cherries. C. Marie knows she has 3 cherries to share. She does not know how many friends she is sharing her cherries with. D. Marie knows she has 3 cherries to share. She does not know how many cherries each friend will get.