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Setler79 [48]
3 years ago
10

Find each percent of change.

Mathematics
1 answer:
nlexa [21]3 years ago
7 0
1) 25% increase
2) 30% increase
3) 20% decrease
4) 40% decrease
5) 5% increase
6) 15% decrease
7) 36% increase
8) 39% decrease
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A certain high school reported that only 74% of its students enroll in a math class during senior year. If
denis-greek [22]

Answer:

<em>550 </em><em>students are in the school.</em>

Step-by-step explanation:

The way I found my answer was by first turning<em> 74% into a decimal</em>, which is <em>0.74</em>.  Then I <em>divided 407 </em>by<em> 0.74</em> and I got<em> 550</em>.  Therefore, <em>550 is our answer.</em>

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A block of cheese has a volume of 280 cm3 and a mass of 230 g.
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Answer:

2.7g/cm^3

step-by-step explanation:

6 0
2 years ago
What is the opposite of -8? :D
VMariaS [17]
<h3>The answer is:</h3><h2>8</h2><h2 />

We know that the opposite of 8 is -8. So the opposite of -8 is 8.

You can look a number line if you are still confused!

8 0
2 years ago
Read 2 more answers
Which fraction expresses –30/54 in lowest terms?
Akimi4 [234]
<span>D. - </span>\frac{5}{9}
6 0
3 years ago
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Tu went to the movies. he bought 2 tickets for $ 9.50 each, popcorn for $ 5.00, and 2 drinks for $ 4.25 each. He give the clerk
alexandr1967 [171]

Answer:

Option A -  $ 40.00 - $9.50 - $4.25 - $5.00                          

Step-by-step explanation:

Given : Tu went to the movies. he bought 2 tickets for $ 9.50 each, popcorn for $ 5.00, and 2 drinks for $ 4.25 each. He give the clerk two $ 20.00 bills.

To find : Which expression can not be used to find the amount of changes Tu got?

Solution :

He give the clerk two $ 20.00 bills i.e. 2\times 20 or 40

He bought 2 tickets for $ 9.50 each i.e. -(2\times 9.50) or -9.50-9.50

Popcorn for $ 5.00 i.e. -5

2 drinks for $ 4.25 each i.e. -(2\times 4.25) or -4.35-4.25

The expression can not be used to find the amount of changes Tu got is

' $ 40.00 - $9.50 - $4.25 - $5.00'.

Therefore, option A is correct.

3 0
3 years ago
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