Choose the number that belongs to the set described

Mathematics

1 answer:

coldgirl [10]3 years ago

7 0

Answer:

Natural numbers,integers, rational numbers, irrational numbers.

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Y=3×+7 y=×-9 what is the solution of the equation

Aneli [31]

Since both equations are equal to y you can just make them equal to each other, like this 3x + 7 = x - 9. From there isolate the varible x on one side so that the solution will be on the other side of the equation. I'll do the steps too for you.

3x + 7 = x - 9

2x + 7 = -9

2x = -16

x = -8

Hope this helps :)

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Which property is used to solve the following problem: 8(7-3)

Shtirlitz [24]

Answer:

D) Distributive property

Step-by-step explanation:

We use distributive property because the 8 is distributed to the 7 and the negative three (it is negative because the expression can also be written as 8(7 + -3). This is how it will look after the distributing:

56 + -24

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It takes 32 hours for a motorboat moving downriver to get from pier A to pier B. The return journey takes 48 hours. How long doe

lina2011 [118]

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Time taken by the un powered raft to cover this distance is T = 192.12 hr

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