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3 years ago

Help me plz I'm begging you

Mathematics

1 answer:

Svetach [21]3 years ago

7 0

First you have to 8.50 by 6 because there are 6 teachers and admission for each teacher is 8.50. So that is equal to 51. Then you subtract 51 from 250 because you have to know, about how much money left after teachers paid for them selves. So 250-51=199. Then you have to divide 199 by 6 so you know how much students can go there and 199/6=33 and 1/6. So basically 33 students can go there.

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Solve for the value of r.<br> (6r-7)<br> 55°

monitta

Answer:

r=7

Step-by-step explanation:

6r-7+90+55=180

6r+138=180 ----- 6r=180-138

6r=42 ----- divide both sides by 6

r=7

(We get the 90 from the 90degrees in the middle of this supplementary angle and the total, 180, from the straight angle made from all three angles.)

hope this helps!

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2 years ago

How do you prove this??? I tried and i didn't get the answers

Sonbull [250]

The equation is correct. There's nothing wrong with it.

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4 years ago

4. You have five people who are your friends on a certain social network. You are related to two of the people, but you do not r

dem82 [27]

Answer:

the probability of inviting both relatives to the meeting = 1/10

Step-by-step explanation:

There are total two invitations that I will send, hence two selections.

For the first selection, I have 5 people total and two of them relatives.

Hence, the probability of inviting relative in first choice is 2/5.

Now assuming that we have invited one relative out of 5 people,

we are left with only 4 people out of which one is relative.

So, probability of inviting relative in second choice is 1/4.

So the probability of inviting both the relatives is (2/5)*(1/4) = 1/10

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