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Stolb23 [73]
3 years ago
6

Collins Middle School has 224 sixth grade students. If the sixth grade is 35% of the total school, how many students are in the

middle school?
Mathematics
1 answer:
Likurg_2 [28]3 years ago
4 0

There are 640 students in the middle school.

Step-by-step explanation:

Given,

Number of sixth grade students = 224

Percent of sixth grade students = 35%

Let,

x represent the total number of students in school.

35% of x = 224

\frac{35}{100}*x=224\\0.35x=224

Dividing both sides by 0.35

\frac{0.35x}{0.35}=\frac{224}{0.35}\\x=640

There are 640 students in the middle school.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/11223427
  • brainly.com/question/11229113

#LearnwithBrainly

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lianna [129]

Answer:

110%

Step-by-step explanation:

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3 years ago
A cone has a volume of 108 pi and a base diameter of 12. What is the height of the cone?
serious [3.7K]

Answer:

h  = 9 units of length

Step-by-step explanation:

Volume of a circular right cone is:

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Where h is the height of the cone, then

V(c)  =  (1/3) * π * r² * h

And  we have that  V(c) = 108*π

Then:

108 * π  =  (1/3) * π * r² * h                  (1)

We know diameter of the circular base is 12 units, according to that

r =  d/2     ⇒  r = 12/2     r = 6 units

Then:

108 * π  [ cubic units ]  =  (1/3) * π * (6)² * h  [square units] [ units of length]

When simplifying we have to take into account that in order to keep last equation h needs to have units of length  

Therefore:

108  =  (1/3) * 36 * h

h = ( 108* 3 )/ 36

h  = 9 units of length

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3 years ago
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Iteru [2.4K]

Answer:

c=13

Step-by-step explanation:

c-8=5

Add 8 to each side

c-8+8 = 5+8

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