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3 years ago

Simply the variable expression below as much as possible. 7x + (5.6) z

Mathematics

1 answer:

marta [7]3 years ago

3 0

Answer:

7x + 5.6z

Step-by-step explanation:

To simplify any expression we use PEMDA ( order of operation)

Parenthesis

Exponents

Multiplication and division

Addition and subtraction

7x + (5.6) z

Here we have 5.6 inside the parenthesis

We multiply 5.6 with z

so it becomes 5.6z

7x + 5.6 z

Both terms 7x and 5.6z have different variable so they are not like terms

We cannot combine unlike terms, so we leave as it is

7x + 5.6z

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The groundhog population of Punxsutawny, Pennsylvania is closely monitored each year. Two years ago the population decreased by

kap26 [50]

Answer:

There was a increase of 1.7% over these three years

Step-by-step explanation:

Multipliers:

For a decrease of a%, we multiply by: $\frac{100-a}{100}$

For a increase of a%, we multiply by: $\frac{100+a}{100}$

What was the percentage increase/decrease of groundhogs over these three years?

Decrease of 12%(multiplication by 0.88).

Increase of 6%(multiplication by 1.06).

Increase of 9%(multiplication by 1.09).

After these three years:

0.88*1.06*1.09 = 1.017

1.017 - 1 = 0.017

0.017*100% = 1.7%

There was a increase of 1.7% over these three years

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3 years ago

Jaden and his family are using a map to drive down to Napa Valley. On the map, the distance is given by the equation c = 1.3m, w

Kisachek [45]

Well if C=1.3m , we substitue 18 into M and get C=1.3(18)= 234

so 234cm

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4 years ago

Read 2 more answers

Its an easy 25 points

boyakko [2]

Answer:

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Step-by-step explanation:

y=-8
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8 0

2 years ago

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Aloiza [94]

Answer:

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Step-by-step explanation:

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DanielleElmas [232]

Answer:

V=14

Step-by-step explanation:

Well its a supplementary angle if you add everything together.

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3 years ago

Read 2 more answers