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Rainbow [258]
3 years ago
6

Simplify 4x2y + 12z2 + 6x2y – 2z.

Mathematics
2 answers:
yaroslaw [1]3 years ago
5 0
Divide all the terms by 2:
2xy + 12z + 3xy - z
Jlenok [28]3 years ago
3 0

                  10x2y + 12z2 – 2z

                 combine the like terms

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A bicyclist was on a three day tour around a lake. On the first day, he rode 78 miles, on the second day he rode 54 miles, and o
gogolik [260]

Answer:

240 miles

Step-by-step explanation:

78+54+2(54)=240

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3 years ago
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A bag contains 30 red and blue marbles. If 19 are blue, what fraction of the marbles are blue?
Musya8 [376]

Answer:

19%

Step-by-step explanation:

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2 years ago
How do you solve 0.75(8+e)=2−1.25e ?
mash [69]
Distribute first.
.75 times 8 + .75 times e, which is 6+.75e = 2-1.25e
Then subtract 2 from both sides,
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6 0
3 years ago
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elena-s [515]

Answer: \dfrac{17}{5} miles

Step-by-step explanation:

We can express a mixed fraction as an improper fraction.

The process is as follows:

a\dfrac{b}{c}=\dfrac{ac+b}{c}

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This can be represented as

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Hence, the required fraction= \dfrac{17}{5} miles

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3 years ago
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