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Marat540 [252]
2 years ago
10

Please help, preferably in the next half an hour.

Mathematics
1 answer:
scoundrel [369]2 years ago
7 0

Answer:

For the first question the correct form would be B. It would be 6(p-3)=42. For the second question the answer would be 10.

Step-by-step explanation:

For the first question B is correct because it's 3 dollars off which would be -3.

For the second question you would multiply 6 with p and 6 with -3. This would equal to 6p-18. This would make the equation 6p-18=42. You would then add 18 to 42, which equals 60. Finally you would divide 60 by 6, which equals 10, which is your answer.

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olga nikolaevna [1]

Answer:

10 years

Step-by-step explanation:

the average or mean value is the sum of all data points divided by the number of data points.

x = the unknown age of the 5th student.

average = 9 = (5 + 7 + 8 + 15 + x)/5

45 = 5 + 7 + 8 + 15 + x = 35 + x

x = 45 - 35 = 10

the 5th student is 10 years old.

6 0
2 years ago
Will mark brainiest!!!
romanna [79]

B

Happy to help :)

Have a great day:)

3 0
3 years ago
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VladimirAG [237]
775/12 , is your answer.
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3 years ago
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Answer:

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2. 4.75n+30n+2.50n

Step-by-step explanation:

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Hope that helps.

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