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melomori [17]
3 years ago
10

Combine like terms for the following expressions: 3x+7−5x

Mathematics
2 answers:
romanna [79]3 years ago
5 0

Answer:

-2x+7

Step-by-step explanation:

blsea [12.9K]3 years ago
3 0

Answer:

-2x+7

Step-by-step explanation:

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8424

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The extended warranty on a $960 dishwasher is 21% of the purchase price and lasts for eight years. What is the effective cost pe
Veronika [31]

Answer

Find out the what is the effective cost per year of the extended warranty .

To proof

As given

The extended warranty on a $960 dishwasher is 21% of the purchase price and lasts for eight years.

21% is written in the decimal form

= \frac{21}{100}

= 0.21

effective cost for  the extended warranty = 0.21 × 960

                                                                      = $ 201.6

Effective\ cost\ per\ year = \frac{201.6}{8}

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Therefore the

effective cost per year of the extended warranty be $25.2

Option (d) is correct .

Hence proved

3 0
3 years ago
What is the difference between a line graph and a scatter plot? a. A line graph presents continuous and linked data, while a sca
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Step-by-step explanation:

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Step-by-step explanation:

PEMDAS:

Parenthesis

Exponent

Multiplication and Division

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21-3+3

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