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Arturiano [62]
3 years ago
14

Write as an algebraic expression and then simplify if possible:

Mathematics
1 answer:
Otrada [13]3 years ago
8 0

Answer:

2n-7

Step-by-step explanation:

"7 less than twice a number n"

is the same as

"7 less than (twice a number n)".

I put ( ) around that one part because I want you to focus on that part first.

Twice a number n means 2 times that number n or 2n.

So now we have

"7 less than 2n".

This means 2n-7.

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Answer:

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Step-by-step explanation:

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IDK how to convert from inches to feet though cause I ain't American. Sorry.

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Izzie recently took a math test where each correct answer (a) on the main part of the test was worth 8.3 points. She also correc
Temka [501]

Answer:

12 correct answers

Step-by-step explanation:

Since in the main part she scores 8.3 points for each question she answers correctly, we can assume that the number of questions she answers correctly=a

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Total score(main part)=8.3×a=8.3a points

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Consider expression 1 below

The total score in the whole test=Total score in the main part+Bonus points, where;

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Total score in the main part=8.3a points

Bonus points=11 points

Substituting the values in expression 1:

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8.3a=110.6-11

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a=12

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4 0
3 years ago
Consider the function represented by the equation y - x - 4 = 0. What is the equation written in function notation, with x as
PtichkaEL [24]

Answer:

f(x) = x + 4

Step-by-step explanation:

Given

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3 0
3 years ago
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