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xeze [42]
3 years ago
9

Simplify the following expression 1-9x+1+8x

Mathematics
1 answer:
kakasveta [241]3 years ago
7 0

1-9x+1+8x

1+1-9x+8x ( combine like terms )

2-x or -x+2

Answer:

2-x or -x+2

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6 0
3 years ago
Jack had 4 hours of school. He spent 45 minutes in the library and 12 hour on a science lecture and had a lunch break of 25 minu
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Answer:

\dfrac{10}{4} \ hour

Step-by-step explanation:

Given that :

Jack had 4 hours of school.

He spent 45 minutes in the library

1/2 hour on a science lecture  and;

had a lunch break of 25 minutes

The objective is to determine how much time is left for the school to get over and we are to write the answer as a fraction.

In order to do that, we will have to convert the minutes into hours,

we all know that; 60 minutes = 1 hour.

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45 minutes = (45/60)hour = 3/4 hour

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2 years ago
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mafiozo [28]

Answer:

40

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