In 2012 a survey found that 92% of people in the 18 to 29 age group used social networking sitesa.Express the percent as a rate per 100.
b.what is this percent written as a fraction

Answers

Answer 1

Answer: A)
That means 92 people out of 100 in the age group of 18 to 29 use social networking sites.

So as a rate, it would be 92 out of 100.
B)
$\sf x$ % $\sf =(x)/(100)$

So then $\sf 92$ % $\sf= (92)/(100)$

Answer 2

Answer: Percents are parts of 100, so we can write 92 as a fraction over 100.

92/100

Simplify:

23/25

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Mr. Conrad's pecan pie recipe calls for 1 3/4 cups of pecans. He plans to make 6 pies for his family reunion. How many cups of pecans will Mr. Conrad need

Answers

According to my calculations the answer is 19.5 or 19.50 you can pick either one but your teacher will probably want the first.

$1 (3)/(4)$ x 6 (or $(6)/(1)$

Change 1 3/4 to an improper fraction = $(7)/(4)$

$(7)/(4)$ x $(6)/(1)$ = $(42)/(4)$ = 10 $(2)/(4)$ cups
Reduce the answer and get 10 $(1)/(2)$ cups

Sarah is 9 years old her grandfather is 90 how many times old as Sarah

Answers

10 times older than her grandfather

Sum of 2 acute angles to make straight line

Answers

Well, a right angle is 90. Two 89 degree angles would make 178, but we need to reach 180. I don't know if thats possible with two acute angles. Two right angles would make 180, but not acute angles. Sorry I couldn't answer your question, but ask your teacher for help.

if a 6 ft tall tent cast a 10 ft long shadow the how long is the shadow that a 9 ft tall adult elephant casts? show work

Answers

15ft

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What is 45% of 432? and how?

Answers

1. We assume, that the number 432 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 432 is 100%, so we can write it down as 432=100%.
4. We know, that x is 45% of the output value, so we can write it down as x=45%.
5. Now we have two simple equations:
1) 432=100%
2) x=45%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
432/x=100%/45%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 45% of 432

432/x=100/45
(432/x)*x=(100/45)*x - we multiply both sides of the equation by x
432=2.22222222222*x - we divide both sides of the equation by (2.22222222222) to get x
432/2.22222222222=x
194.4=x
x=194.4

now we have:
45% of 432=194.4

answer is 194.4 he\she just explain it

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