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Elis [28]
3 years ago
5

There are 60 students in a class. Girls make up 20% of the class and 45% of them have phones. How many girls in the class have p

hones?
Mathematics
1 answer:
Butoxors [25]3 years ago
8 0

Answer:

5 if rounding or 5.4 if not

Step-by-step explanation:

so find the number of girls in the class so the total times the percent

60*.2

then find the number of girls with phones by taking the last answer and multiply it by the percent that have phones

12*.45

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3 years ago
A right triangle is displayed.
Mazyrski [523]

Answer:

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The graph below shows a line of best fit for data collected on the average heights of children.
a_sh-v [17]

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Brielle and Joshua are running a half marathon race, which is 13.1 miles long. It takes Brielle 10 minutes to run 1.25 miles and
CaHeK987 [17]

Answer: Brielle will run the marathon faster.

Brielle = 104.8 minutes  

Joshua = 157.2 minutes

Step-by-step explanation:

Speed rate = distance /time

Brielle = 1.25 /10 = 0.125 miles per minute

Joshua = 1.5/18 = 0.083333 =1/12 miles per minute

Since 0.125 (Brielle) > 1/12 (Joshua)

Brielle will run the marathon faster.

To calculate the time that takes each one to run the entire race (13.1 miles)

Time= distance / speed

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Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
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