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babunello [35]
2 years ago
12

One out of every 4 students in a club is a girl. There are 20 students in the club. How many girls are in the club? Explain how

you know
Mathematics
1 answer:
Lesechka [4]2 years ago
7 0

Answer:

5 girls because 1/4 times 20 is 20/4 which gets 5

Step-by-step explanation:

because 1/4 times 20 is 20/4 which gets 5

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Engunun earns $17 per hour training student athletes at Brooklyn university. If Eunguun tutored for 12 hours this month, how muc
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Answer:

204

Step-by-step explanation:

Take the number of hours worked times the amount earned per hour

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2 years ago
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M is the midpoint of CB, CM = 3x+1, and MB = 5x−9.<br>Determine the value of x.
MrRissso [65]

Answer:

x = 5

Step-by-step explanation:

Since both sides are given, set both sides equal to eachother.

3x + 1 = 5x - 9

Segment CM is on the left and segment MB is on the right. From now on, solve for x.

Step 1: Isolate x by itself by subtracting the lesser value

3x + 1 = 5x - 9

-3x        -3x                     the x's on the left cross out

---------------------

 1 = 2x - 9

+9         +9                      having x on one side

----------------

10 = 2x

__________________________________________________________

Step 2: Divide each side by 2 to get rid of x's coefficient

10 = 2x

/2     /2

----------

5 = x

Solution: x = 5

__________________________________________________________

Solving for CB: Substitute x for both sides since x = 5

3(5) + 1 = side CM

15 + 1 = side CM

16 = side CM

__________________________________________________________

Solving for CB: Solve for the other side (segment MB)

5(5) - 9 = side MB

25 - 9 = side MB

14 = side MB

__________________________________________________________

Solving for CB: Lastly, add up the sides

16 + 14 = segment CB

30 = segment CB

__________________________________________________________

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Make nine big circles and put 1 strike in each until you get to 315 and you have your answer.

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