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bixtya [17]
3 years ago
10

Subtract 3x²-5x+7from5x²-7x+9​

Mathematics
1 answer:
alexgriva [62]3 years ago
5 0

Answer:

2x^2-2x+9

Step-by-step explanation:

5x^2-7x+9-3x^2+5x\\=5x^2-3x^2-7x+5x+9\\= 2x^2-2x+9

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Which set of ordered pairs is not a function? A. (3, 1), (–1,1), (1, 1), (3, −1) B. (–3, 1), (–1, 1), (1, 1), (3, 1) C. (–3, 1),
mash [69]
A set is NOT a function when there's an x-coordinate that is repeated, so let's check who is who.

\bf A.\{(\stackrel{re peat}{3}, 1), (-1,1), (1, 1), (\stackrel{re peat}{3}, -1)\}\quad \otimes\\\\
B.\{(-3, 1), (-1, 1), (1, 1), (3, 1)\}\quad \checkmark\\\\
C.\{(-3, 1), (-1, -1), (1, 1), (3, 1)\}\quad \checkmark\\\\
D.\{(-3, 1), (-1, -1), (1, 1), (3, -1)\}\quad \checkmark
5 0
3 years ago
Read 2 more answers
Help plssssss!!!!!!!
In-s [12.5K]
For the first question asking about the slope 3/4 and y intercept -2 would be (y=0.75x-2) because 3/4=0.75 and the y intercept -2 is b and you’re just placing it into the formula y=Mx+b m=slope b=y intercept.
7 0
3 years ago
I need help with 3&4 plz
ira [324]

Answer:

-5 and 8

in question 3and 4 we have to evaluate

6 0
3 years ago
Pls help me!!!! I will give brainliest!!!!
Gwar [14]

Answer:

B

Step-by-step explanation:

because the numbers 0-9 consist of 10 numbers,

having a 70% chance of success means that out of the 10 numbers, 7 are correct.

thus, choice B is correct as it have 7 numbers in it

(rmb to count "0" as a number!)

5 0
3 years ago
Read 2 more answers
Pleaseee help me answer this ASAP
Norma-Jean [14]

Answer:

C.

Step-by-step explanation:

Hope this Helps you !

7 0
3 years ago
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