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Karo-lina-s [1.5K]
3 years ago
8

Y’all plz help me here it’s a math quiz I’ll give a lot of points for the right answer

Mathematics
1 answer:
Elis [28]3 years ago
7 0
I think the answer is:
The 1st, 3rd, 5th, and 6th ones
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Solve the inequality -2(z + 5) + 20 7 6.
Romashka-Z-Leto [24]

Answer:

z<2

Step-by-step explanation:

-2(z + 5) + 20 > 6

Subtract 20 from each side

-2(z + 5) + 20 -20 > 6-20

-2(z + 5) > -14

Divide each side by -2 remembering  to flip the inequality

-2/ -2(z + 5) < -14/-2

z+5 < 7

Subtract 5 from each side

z+5-5 < 7-5

z<2

8 0
3 years ago
Read 2 more answers
How many solutions does the equation have?
SSSSS [86.1K]
Let's solve and find out.

4(2n - 4) + 3 = 8n - 19
8n - 16 + 3 = 8n - 19
8n - 13 = 8n - 19
-13 = -19

-13 and -19 are not equal, so the equation has no solutions.

Answer:
A. 0
6 0
3 years ago
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Which equation represents a quadratic function?
Elena-2011 [213]
Quadratic is where the degree of x is 2
I would think 3 is the one that might have been written as y=x² which would be correct
8 0
3 years ago
Could sum 1 pls help with this quick i’m stuck??
AnnZ [28]
It’s 3 brooooooooooooo
6 0
3 years ago
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Does anyone know this?
tresset_1 [31]

Answer:

f(x) = -x^2 + x + 13 find f(9) = -59

Hope this helps :)

4 0
3 years ago
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