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Lisa [10]
4 years ago
15

Simplify the expression 3x²-5x-4+xy-(2xy+2x²) then evaluate the result if x=-1 and y=6

Mathematics
2 answers:
Anvisha [2.4K]4 years ago
6 0
-6 is what it would be plugging the x and y values in
lidiya [134]4 years ago
5 0
3x²-5x-4+xy-(2xy+2x²) Simplified is x²-5x-4-xy
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Given <1 and <2 are a linear pair, find the value of x if m<1 = 2x-5 and m<2 = 4x-7
Alecsey [184]

Answer:

32

Step-by-step explanation:

Linear pair means they form a line, or add to 180°.

2x − 5 + 4x − 7 = 180

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6x = 192

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3 years ago
Write the equation for the perpendicular bisector of a segment that has endpoints (–1, 10) and (3, 6).
andrezito [222]

PLEAE ADD THE PICTURE TOO

7 0
3 years ago
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Find the slope of the line passing through the points (-3,7) and (2,-6)
elena55 [62]

Answer:

-\frac{13}{5}

Step-by-step explanation:

by using formula \frac{y_2-y_1}{x_2-x_1}, we get

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7 0
3 years ago
Can someone answer these 3 plz like I need these so bad rn. I would really appreciate it if someone who knows it can answer and
Basile [38]

Answer:

for the first photo the answer is 5x + 6(-x + 4) = 13

Step-by-step explanation:

if y equals to -x +4

then replace the y in this equation: 5x + 6y = 13  with this ( -x +4 ) its simple.

I cannot answer the other 2 photos at the moment but ill see if I can whenever else I have time.

3 0
3 years ago
To which set of numbers does the number –5 belong?
sergij07 [2.7K]
As in negative or positive It would be negative
3 0
3 years ago
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