MATHEMATICS MIDDLE SCHOOL

Given a cylinder with a surface area of 2532 cm (squared) and radius of 9 cm, calculate the height of this cylinder to the nearest tenth.A. 36 cm
B. 282.6 cm
C. 45
D. 10

Answers

Answer 1

Answer:

Answer:

A. 36.4cm = h

Step-by-step explanation:

A=2πrh+2πr² This is the equation to find the surface area of a cylinder

2532 = 2π(9)h + 2π(9)² Multiply

2532 = 18πh + 2π(81) Multiply

2532 = 56.55h + 162π Multiply

2532 = 56.55h + 508.94

-508.94 - 508.94 Subtract 508.94 from both sides

2023.06 = 56.55h Divide both sides by 56.55

36.4cm = h

If this answer is correct, please make me Brainliest!

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if you intend to begin saving 30% of your income and you bring home $750 a week, how much will you have saved in one year?

Answers

Answer:

$11,700

Step-by-step explanation:

Given:

Weekly income = $750

Amount saved weekly,

= 30% of weekly income

= (30/100) x $750

= $225

Assuming there are 52 weeks in a year

yearly savings,

= amount saved weekly x 52 weeks

= $225 x 52 weeks

= $11,700

8 people are equally sharing 12 muffins how many muffins will each person receive

Answers

Total number of muffins = 12 muffins
Total number of people sharing muffin = 8

Muffins each person will receive = Total number of muffins
---------------------------------
People sharing muffins

= 12/8
= 1 1/2 OR 1.5 muffins

4 15/15 as a decimal

Answers

4 15/15 hope this helps :)

= 4 + 15/15

= 4 + (15 ÷ 15)

= 4 + 1 = 5.0

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How can you make 34 out of tens and one

Answers

3 tens and 4 ones would make 34

To make 34 out of tens and ones, it would take 3 tens and 4 ones, because 10 + 10 + 10 + 1 + 1 + 1 + 1 = 34.
Hope that helped =)

What is -4 and 1/4 as an improper fraction?

Answers

To make a mixed number an improper fraction, first multiply the denominator by the Whole Number. 4*4=16 Then add the numerator. 16+1=17. Then, remember it is negative. The answer is -17/4

If 50 is 20% of a value what is that value