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Amanda [17]
4 years ago
6

Directions: Simplify each example 1) (-9x + 15) - (2x - 1

Mathematics
1 answer:
PSYCHO15rus [73]4 years ago
3 0

Answer:

-7x - 16

Step-by-step explanation:

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2x - 5y – z = 20<br> -3.x - 3y + 33 = 9<br> -2x - 2y - 43 = -24
densk [106]

Answer:

6

Step-by-step explanation:

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4 0
3 years ago
f(x)= -7^2+8x+2 what is the value of the discriminant of f? How many x-intercepts does the graph of f have?
Lana71 [14]

I think it has one x-intercept which is (0, -47). I am not really sure though.

4 0
3 years ago
How do I do 3+10i=4i-18?????<br> HELP ME
xxMikexx [17]
3+10i=4i-18 3+6i=-18 6i=-21 -7/2 -3 1/2
4 0
3 years ago
Read 2 more answers
I don't get this one
CaHeK987 [17]

maybe

8.4 \:  \times 10 ^{7}

8.4 \times 10 {}^{8}

I'm confused in both

6 0
3 years ago
N–2=10n+4/2 what is the value of n need help asap
MakcuM [25]
N - 2 = 10n + 4/2

-2 = 9n + 4/2

-4/4 = 9n

-1 = 9n

-9 = n

N is -9.

If this answer is right please leave a thanks and a rating. :)
4 0
3 years ago
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