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nexus9112 [7]
2 years ago
5

Question 2

Mathematics
1 answer:
VMariaS [17]2 years ago
6 0

Step-by-step explanation:

-5(x + 4)² + 8 = -5(x² + 8x + 16) + 8 =

= -5x² - 40x - 80 + 8 = -5x² - 40x - 72

so, the third answer option must be correct, but you made a mistake there and forgot the "x" as factor of -40.

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2. (01.07 MC)
Elena-2011 [213]
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Divide by -3 on both sides
X=-3
Part B: add like terms (-2K-3k)
Add 12 to both sides
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K=3
Part C: distribute 6 into the parentheses
Add like terms together (36-5)
Subtract 1 from both sides
Subtract 36v from both sides
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-1=v

7 0
3 years ago
Jaydee was going to sell all of her stamp collection to buy a video game. After selling half of them she changed her mind. she b
vlada-n [284]

Answer:

32

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7 0
3 years ago
Evaluate the expression.<br><br> -2 + 49 divided (-7)
Ann [662]

Answer:

-9

Step-by-step explanation:

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-2-7=-9

3 0
3 years ago
PLEASE someone help me on this<br> I would appreciate it.
Anton [14]
2x-y =3
multiply by 4
8x - 4y = 12
3x +4y = 10 (unchanged equation)
------------------add
11x = 22

answer is A. the first.
first equation multiplied by 4 then sum to get 11x = 22

3 0
4 years ago
Solve for the value of x: 3x + 25 = 2/3 (6x - 15)​
n200080 [17]

3x + 25 = 2/3 (6x - 15)

9x + 75 = 12x - 30

75 + 30 = 12x - 9x

3x = 105

x = 105 : 3

x = 35

3 0
4 years ago
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