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Vera_Pavlovna [14]

4 years ago

6

Half of the students in Max's class volunteer at the local community center. Fifteen students do not volunteer. If there are 12

boys in max's class, how many girls are in his class?

1 answer:

zzz [600]4 years ago

6 0

I am guessing 28 :-)

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The sides OP and RO of triangle POR are produced to points S and T respectively. If ∠SPR = 145° and ∠POT = 115° , find ∠PRO

Margarita [4]

Answer:

$\angle PRQ = 80$

Step-by-step explanation:

Given

$\angle SPR = 145^o$

$\angle POT = 115^o$

See attachment

Required

Find $\angle PRO$

First, calculate $\angle RPO$

$\angle RPO + \angle SPR = 180$ --- angle on a straight line

So, we have:

$\angle RPO + 145 = 180$

Collect like terms

$\angle RPO = 180 - 145$

$\angle RPO = 35$

Next, calculate PQR

$\angle POR + \angle POT = 180$

So, we have:

$\angle POR + 115 = 180$

Collect like terms

$\angle POR = 180-115$

$\angle POR = 65$

So, PRO is calculated as:

$\angle PRO + \angle POR + \angle RPO = 180$ --- angles in a triangle

So, we have:

$\angle PRO + 65 + 35= 180$

$\angle PRO + 100= 180$

Collect like terms

$\angle PRO = 180-100$

$\angle PRO = 80$

3 0

3 years ago

PLEASE HELP PLEASE I WILL GIVE BRAINLIEST

aev [14]

Answer:

Step-by-step explanation:

This is a quadrilateral.

Sum of all angles of a quadrilateral = 360

x + 100 + 60 + 95 = 360

x + 255 = 360

x = 360 - 255

x = 105°

6 0

3 years ago

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diana and marc are raising money for their class trip by sleling gift wrapping paper.marc raise 39$ by selling 5 rolls of red wr

Alex

They are selling the wrapping paper for $5 each and selling the foil wrapping for $7 dollars each.

39=5(5)+2(7)
57=3(5)+6(7)

8 0

3 years ago

Simplify. <br><br>(11 + (+4 + 1)2] - 11 1-1 - 21

Sergeu [11.5K]

The chosen topic is not meant for use with this type of problem.

6 0

3 years ago

Solve for m.<br> 4+ 7m=5

Simora [160]

First you would isolate (7m) by subtracting 4 from both sides:
4 + 7m - 4 = 5 - 4
This would leave you with:
7m = 1
Then you would isolate m by dividing both sides by 7:
7m/7 = 1/7
Your final answer:
m = 1/7

3 0

3 years ago

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