3 years ago

-7(-13+19) distributive property

Mathematics

1 answer:

Vanyuwa [196]3 years ago

6 0

Answer:

-42

Step-by-step explanation:

i put two documents for you. check them out and try to solve some math problems like this. hope it helps!:)

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Answer:

Step-by-step explanation:

Recall these two equations for circumference and diameter.

Circumference = 2*pi*radius

Diameter = radius*2

25.12 = 2*pi*radius

Radius = 4

Diameter = 4*2 => 8

Thus the diameter is 8

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2 years ago

Need help for 16) and 19) Solve each equation and check. Show all work please

Paladinen [302]

Step-by-step explanation:

You said the other one would be the last haha just kidding I'm glad to help.

16. $\frac{k}{2}=(-5)^2$

First, get rid of that parenthesis.

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Now multiply both sides by 2 so that you can isolate k

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This is a pretty easy one. If you didn't know, 121/11 is actually 11 :)

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Simply multiply by 3 to isolate r :)

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