3 years ago

What is 2x minus negative x

Mathematics

1 answer:

Ksivusya [100]3 years ago

3 0

Answer:

Step-by-step explanation:

2x--x is the same thing as 2x+x which equals 3x. Hope that helped. ;P

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Solve by substitution X^2= 2y + 10 3x-y = 9

Viefleur [7K]

Answer:

$x=-4\\ x=-2\\ y=-21\\ y=-15$

Step-by-step explanation:

$x^{2} =2y+10$

$y=-9+3x$

$x^{2} =2(-9+3x)+10$

$x^{2} =-18+6x+10$

$x^{2} =6x-8$

$x^{2} -6x+8$

$x=-4, -2$

$y=-9+3(-4)$

$y=-9-12$

$y=-21$

$y=-9+3(-2)$

$y=-9-6$

$y=-15$

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3 years ago

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The opposite of - |9| is

aleksklad [387]

Hello from MrBillDoesMath!

Answer: +9

Discussion:

The opposite of a number is that number multiplied by -1. In our case the opposite number is (-1) * (- (abs(9))) = -1 * (-9) = +9

Thank you,

MrB

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2 years ago

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Five Stars and Brainliest To Correct Answer

Westkost [7]

The correct answer is x = 1/28y^2

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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Nikitich [7]

Answer: B. (-4, 0)

Step-by-step explanation:

The question is: when is the function constant?

function is also called f(x), which is also called "y".

So the question is asking: when is the y-value constant?

the y-value is constant (not increasing or decreasing) between x = -4 and x = 0. So the interval is (-4, 0)

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2 years ago

What's you favorite candy?

tresset_1 [31]

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