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Sliva [168]
3 years ago
7

Of the 140 7th graders, 15% earn the Presidential Physical Fitness award. How many students earn the award? *

Mathematics
1 answer:
GenaCL600 [577]3 years ago
8 0

Answer:

21 students

Step-by-step explanation:

the percent proportion is a/w = p/100

where A is a part of the whole W, and p% or p/100 is the percent

a/140 = 15/100 (Substitute w =140 and p= 15)

a times 100=140 times 15 (cross poducts property)

100a=2100  (Multiply)

100a/100 = 2100/100 (divide both sides by 100)

a = 21 (simplify)

So, 21 students win the award.

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Jamie wants to build a rectangular fence around a new garden. He can afford at most 70
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Option B is correct. <em>Yes,</em><em> (9, 22) is a solution to the </em><em>inequalities</em><em> and the</em><em> measurements</em><em> will fit in the space. </em>

The formula for calculating the perimeter of the rectangular fence is expressed as:

A = 2(L + W) where:

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W is the width

If Jamie can afford at most 70feet to build a rectangular fence is expressed as:

2L + 2W ≤ 70

<em>We are to check if the garden measure 9 feet by 22 feet. To do this we are to substitute L = 9 and W = 22 into the formula to check if the result will be less than 70</em>

On substituting:

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= 62 feet

Since 63 feet is less than 70 feet, hence we can conclude that <em>Yes,</em><em> (9, 22) is a solution to the </em><em>inequalities</em><em> and the</em><em> measurements</em><em> will fit in the space. </em>

<em />

<em>Learn more here: brainly.com/question/17229451</em>

8 0
2 years ago
What is the square root of 9
Ber [7]
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Verification:

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If the population has gone up 20,000 in 6yr what percent is that
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3 years ago
If a = 3 units, b = 8 units, and c = 10 units, what is the volume of the figure?
erik [133]

Step-by-step explanation:

Volume = L \times W \times H.

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W- Width.

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<u>Multiply each side:</u>

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