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Nina [5.8K]
3 years ago
6

Explain and correct the error made by a student who simplified this expression.

Mathematics
2 answers:
guapka [62]3 years ago
6 0

Answer:

8no \:  \: x \: so \: cannot \: simplified \: x

-2x+7x+8

=5x+8

balu736 [363]3 years ago
5 0

Answer:

5x+8

Step-by-step explanation:

the simplified form is 5x+8

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Caroline's hair is
Ipatiy [6.2K]

The inequality can be used to determine how many months will it take for Caroline's hair to be at least as long as Trinity's hair is (1/5)x + 7 ≥ (1/10)x + 10

<h3>What is an equation? </h3>

An equation is an expression that shows the relationship between two or more numbers and variables. An independent variable is a variable that does not depend on other variables while a dependent variable is a variable that depends on other variables.

Let x represent the number of months.

For Caroline's hair:

Length = (1/5)x + 7

For Trinity's hair:

Length = (1/10)x + 10

For Caroline's hair to be at least as long as Trinity's hair, hence:

(1/5)x + 7 ≥ (1/10)x + 10

The inequality can be used to determine how many months will it take for Caroline's hair to be at least as long as Trinity's hair is (1/5)x + 7 ≥ (1/10)x + 10

Find out more on equation at: brainly.com/question/2972832

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8 0
1 year ago
Is 2 a factor of 84 explain your thinking and use division to ansnwer
irina1246 [14]
Yes because 8 and 4 is an even number
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32

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

So find what two numbers multiply to 72 and add up to 17

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