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mr Goodwill [35]
3 years ago
10

X-3=2x-3-x Please solve with answer and how you got the answer

Mathematics
1 answer:
Fofino [41]3 years ago
3 0

Answer:

3x-3

Step-by-step explanation:

You have to combine like terms. <em>x</em> and 2<em>x</em> have the same variable, so this equals 3x, and then you subtract 3 so:

x-3=2x-3-x

    =3x-3

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Mrs hawk assigns her students an average of no more than 15 questions on each assignment mrs. hawks students had 11,10,13,14 and
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Answer:

The number of questions in sixth assignment must be less than or equal to 28.

Step-by-step explanation:

The number of questions in first five assignments are 11,10,13,14 and 14.

It is given that Mrs hawk assigns her students an average of no more than 15 questions on each assignment. Therefore the average of six assignments is less than or equal to 15 questions.

Let the number of questions in sixth assignment be x

\text{Average}=\frac{\text{Sum of observations}}{\text{Number of observations}}

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62+x\leq 90

x\leq 28

Therefore the number of questions in sixth assignment must be less than or equal to 28.

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