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STatiana [176]
3 years ago
9

8(2) - 2(7+(-3)) i need to know

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
4 0

Answer:

Step-by-step explanation:

8x2-2-(7(-3))

Multiply

Remove()

16-2(7-3)

Calculate

16-2x4

Multiply

16-8

Calculate

8

Answer is 8

PilotLPTM [1.2K]3 years ago
3 0

Answer:

56

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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1 year ago
Math algebra 2 show you’re work plz
LenKa [72]

9514 1404 393

Answer:

  (t, u, w) = (1, -2, -2)

Step-by-step explanation:

A graphing calculator makes short work of this, giving the solution as ...

  (t, u, w) = (1, -2, -2)

__

There are many ways to solve this "by hand." Here's one of them.

Add the first and third equations. Their sum is ...

  -3t +4w = -11 . . . . . [eq4]

Add this to twice the second equation. That sum is ...

  (-3t +4w) +2(-4t -2w) = (-11) +2(0)

  -11t = -11

  t = 1

Substituting this into the second equation gives ...

  -4(1) -2w = 0

  w +2 = 0 . . . . divide by -2

  w = -2 . . . . add -2

Substituting for t in the third equation lets us find u.

  2(1) -2u = 6

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The solution is (t, u, w) = (1, -2, -2).

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3 years ago
Which table does NOT represent a function?
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