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damaskus [11]
3 years ago
5

SOMEONE PLS HELP ME DO ALL for 100 points and BRAINLIEST. Show your work!

Mathematics
1 answer:
IRINA_888 [86]3 years ago
7 0
For 6 plug in 6 in the first line and then 10 on the line to the eighth then you can solve from there for x which should give you 8
X=8 for number 6
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Simplify the expression
forsale [732]
2x+3(x-2)-3(x-6) You would first distribute. So: 2x+3x-6-3x+18 Then you would combine like terms, like so: 2x+3x-3x= 2x -6+18= 12 So it'd be: 2x + 12 Which is answer choice A HOPE THIS HELPS!!(:
7 0
3 years ago
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Consider the quadratic expression given below.
Alex777 [14]

Answer:

4(x + 5)(x - 3)

Step-by-step explanation:

Given

4x² + 8x - 60 ← factor out 4 from each term

= 4(x² + 2x - 15) ← factor the quadratic

Consider the factors of the constant term (- 15) which sum to give the coefficient of the x- term (+ 2)

The factors are + 5 and - 3 , since

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Then

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8 0
3 years ago
Explain how to find the sum of the interior angles for any polygon in relation to the number of sides.Explain how to find the su
pashok25 [27]

Answer:

(n-2) × 180°

Step-by-step explanation:

Sum of interior angles for a polygon = (n-2) × 180°

---------

you have found is yourself!

4 0
3 years ago
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Add integer help just explain
dusya [7]
Since -6 +6 can be rearranged to 6-6 using the communicative property, we get 6-6 =0 . In addition, -120+(-6) is essentially having -120+ 1*(-6), and 1 times a number is simply that number, so we have -120-6=-126
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Answer:

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