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Artemon [7]
3 years ago
5

Write an algebraic expression using n the sum of a number and 7

Mathematics
1 answer:
liubo4ka [24]3 years ago
6 0

Answer:

n+7

Step-by-step explanation:

When we have any unknown quantity, we can call it mostly x,y,z

so, here

Let take an unknown number = n

then

we need to do here " sum of a number and 7 in algebraic form"

so, it becomes

n + 7 (Answer)

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3 years ago
The average of Johnny's two test grades is a 92 what must he get on his 3rd test to raise his average to a 94?
jeka57 [31]

Answer:

Johnny needs to score 98 on third test to raise average to 94

Step-by-step explanation:

Given that average of two tests is 92.

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It is also given that he has to raise his average to 98

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Read 2 more answers
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