3 years ago

Which best describes how to find the additive inverse of an integer?

Mathematics

1 answer:

qwelly [4]3 years ago

5 0

4. Change the sign of the integer

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10x +2y = 64

Musya8 [376]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}10x+2y=64&\text{multiply both sides by 2}\\3x-4y=-36\end{array}\right\\\underline{+\left\{\begin{array}{ccc}20x+4y=128\\3x-4y=-36\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad23x=92\qquad\text{divide both sides by 2}\\.\qquad x=4\\\\\text{put the value of x to the first equation:}\\\\10(4)+2y=64\\40+2y=64\qquad\text{subtract 40 from both sides}\\2y=24\qquad\text{divide both sides by 2}\\y=12$

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3 years ago

Can you help me and tell me how you got it

myrzilka [38]

If she can ride her bike 3 miles in 24 minutes how far can she ride her bike in 72minutes. So, if we find out how many times 24 goes into 72 (by dividing it) then times the answer by 3 because that’s how many miles she can do in 24 min. That will give you the answer e.g

Sally can ride her bike 4 miles in 12 minutes so how far can she ride her bike in 24 minutes. You do:

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12) 24. Do 8 miles I. 24 minutes.

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3 years ago

Use the net to find the lateral area of the prism.<br> 15 m<br> 3m 6m 3m 6m

azamat

Answer:

12cm

Step-by-step explanation

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3 years ago

Celery is on sale at both Greg's market in the veggie emporium at Greg's market a 5 pound bag of celery cost $2.85 and a veggie

zhenek [66]

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3 years ago

Read 2 more answers

H (t) = -16t^2 + 144

Delicious77 [7]

Answer:

-16 (t+3) (t-3)

Step-by-step explanation:

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