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2 years ago

9

I need help on this please

1 answer:

frez [133]2 years ago

6 0

Answer:

only C is a function cause a function has only 1 same value.

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What is the y-coordinate of the solution for the system of equations? x−y=−11 y+7=−2x

ICE Princess25 [194]

Answer:

$y= 5$

Step-by-step explanation:

Given the system of equations:

$x-y=-11$

$y+7=-2x$

In order to find the y coordinate of the solution we must first find the solution to this system of equations. We first start by solving one of the given equations and then substitute the answer of that into the second equation and further solve to get the final answers.

$x=y=-11$

$y+7=-2x$

$y+7=-2x$

$+ -7$

$y = -2x - 7$

$x - y = -11$

$y = -2x-7$

$x-(-2x-7)=-11$

$x--2x=x+2x=3x$

$3x+7=-11$

$-7$

$-11+-7=-18$

$3x=-18$

$\div3$

$-18\div3=-6$

$x=-6$

$y=-2x-7$

$y=(-2)(-6)-7$

$-2\times-6=12-7=5$

$y=5$

Hope this helps.

7 0

2 years ago

Please help me with these factoring problems. Please help me solve. I can't do these!!

aleksley [76]

Simple...

you have:

1.) -8x-16 --->>>

Factor out a -8 -->>

-8(x+2)

2.)9d+15db --->

Factor out 3d -->

3d(3+5b)

3.) 2a-9ax-->>

Factor out -a -->

-1a(9x-2)

Thus, your answer.

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3 years ago

You roll a six-sided die twice. What is the probability of landing

GalinKa [24]

It’s going to be 1/6 because if you roll the dice twice and it has 6 sides it’s 1/6

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Line A passes through the point (-2,-8) and has a slope of 2.

nirvana33 [79]

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Jobisdone [24]

Answer: do you still need help comment ok

Step-by-step explanation:

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2 years ago