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umka2103 [35]
4 years ago
9

1. Determine if the two expressions are equivalent and explain your reasoning.

Mathematics
1 answer:
Elena-2011 [213]4 years ago
6 0
1. Yes because of the constant and coefficient if you add it. Like the answer is 5m +4.

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Find the slope and y-intercept of y=-5
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Answer:

slope = 0

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Step-by-step explanation:

y= -5  is a horizontal line

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The denominator of a fraction is two more than the numerator. If both numerator and denominator are decreased by six, the simpli
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Answer:

\dfrac{40}{42}

Step-by-step explanation:

Let the numerator of the fraction=x

Since the denominator of a fraction is two more than the numerator.

Denominator=x+2

The fraction is therefore:

\dfrac{x}{x+2}

If both numerator and denominator are decreased by six, the fraction becomes:

\dfrac{x-6}{x+2-6}

The simplified result is \dfrac{17}{18}

Therefore:

\dfrac{x-6}{x+2-6}=\dfrac{17}{18}\\$Next, we solve for x\\Cross multiply\\18(x-6)=17(x+2-6)\\18(x-6)=17(x-4)\\Expand the bracket\\18x-108=17x-68\\Collect like terms\\18x-17x=-68+108\\x=40

Substituting x=40 into the initial fraction

\dfrac{x}{x+2}=\dfrac{40}{40+2}=\dfrac{40}{42}

Therefore, the original fraction is \dfrac{40}{42}

4 0
3 years ago
What is 1 3/4 + 4 7/12 as a mixed fraction??
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Convert to base 12:

1 9/12+4 7/12

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The answer is 6 1/3.
7 0
3 years ago
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