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const2013 [10]
3 years ago
8

THIS IS A WHOLE PAGE ITS FOR 40 points MIDDLE SCHOOL PLEASE HELP

Mathematics
1 answer:
Firlakuza [10]3 years ago
6 0

Answer:

the leanth of the track is 1/2 miles long.

Step-by-step explanation:

Im sorry that i couldn't complete all the questions, I had a family thing to go to so sorry.

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in a given classroom the number of girls is 10 greater than number of boys if the ratio of the number of girls to the number of
Xelga [282]

Answer:

a) 35,  b) 25,  c) 60

Step-by-step explanation:

The number of girls is 10 more than the number of boys, so it's a good thing to choose a variable to represent the number of boys.

Number of boys:  b

Number of girls:  b + 10

Ratio of girls:boys is 7:5, so

\frac{b+10}{b}=\frac{7}{5}

"Cross multiply" to get

7b=5(b+10)\\7b=5b+50\\2b=50\\b=25

There are 25 boys.  There are 10 more girls, so the number of girls is 35, and the total number of students is 60.

That's a packed classroom!

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Turn 129/3930 into decimal
KatRina [158]
To find the decimal, all you need to do is take the number on top and divide it by the one in the bottom. 129/3930=0.03
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3 years ago
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A square is drawn below what is the value of x
Andru [333]

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You donf have the picture shown, how is anybody supposed to work on it

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Which expressions are equivalent?
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