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3 years ago

Combine Like Terms and Evaluate

Mathematics

2 answers:

rosijanka [135]3 years ago

6 0

Answer:

Step-by-step explanation:

-2x+4+3y-5x-2y

Combine like terms

-7x+1y+4

evaluate

-7(-3) 1(4) 4

Solve

21+4+4

Nady [450]3 years ago

5 0

if x = - 3 and y = 4

<h3><u>simplification</u> </h3>

<h3><u>evaluation</u><u> </u></h3>

hope that helps !

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2 years ago

Rachel mom 5 lawns in 8 hours at this rates how many can she mom in 40 hours

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2 years ago

Is 0.8-3 equal to -2.2

Marysya12 [62]

Answer:

Yes, they are equal.

Step-by-step explanation:

-3.0 + 0.8 = -2.2

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>

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2 years ago

(1 2/7-3/14)/8/15trying to remember how to do this

SOVA2 [1]

We will write it as a fraction in ordet to solve, that is:

$\frac{(1\frac{2}{7}-\frac{3}{14})}{(\frac{8}{15})}$

We then operate as follows:

$\frac{((\frac{7}{7}+\frac{2}{7})-\frac{3}{14})}{(\frac{8}{15})}\Rightarrow\frac{(\frac{9}{7}-\frac{3}{14})}{(\frac{8}{15})}\Rightarrow\frac{(\frac{15}{14})}{(\frac{8}{15})}\Rightarrow\frac{15\cdot15}{14\cdot8}\Rightarrow\frac{225}{112}$

We have this, since 1 integer will be equal as a numerator divided by a denominator with equal values. Examples 1 = 2/2, 1 = 45/45, ...

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1 year ago