3 years ago

Find 5x-3y-z if x=-2 y=2 and z=-3

1 answer:

8 0

Answer:

z=23

Step-by-step explanation:

z=2

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Arlecino [84]

Answer:

C) 4x^2 -8x +4[/tex]

Step-by-step explanation:

(-2x+2)^2

we apply (a+b)^2 formula

$(a+b)^2 = a^2 + 2ab +b^2$

a= -2x and b= 2

Replace 'a' with -2x and 'b' with 2

$(-2x+2)^2 = (-2x)^2 + 2(-2x)(2) +2^2$

(-2x)^2 is 4x^2

$(-2x+2)^2 = 4x^2 -8x +4$

option C is the answer

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3 years ago

BARSIC [14]

A reasonable number between 18 and 23 is 20. 69 minutes is 3 times 23 minutes, so we multiply the 20 by 3, getting an estimate of 60 cars.

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3 years ago

Nadya [2.5K]

Just download the app photomath it helps a lot with equations plus it shows u how to do them

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3 years ago

Nesterboy [21]

I think 90 is the answer

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3 years ago

ANTONII [103]

Greater than 20 because 5×6=30 so it passed

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3 years ago