3 years ago

HELP QUICK IM BEING TIMED!

Mathematics

2 answers:

slavikrds [6]3 years ago

8 0

It’s the 3rd one btw i hate delta math

goblinko [34]3 years ago

5 0

Answer:

6x-3=9

Step-by-step explanation:

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Find the solution to the system of equations y=−7x+3y=−x−3

babunello [35]

Answer:

x=1, y=-4. (1, -4).

Step-by-step explanation:

y=-7x+3

y=-x-3

-------------

-7x+3=-x-3

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-7x+x=-3-3

-6x=-6

6x=6

x=6/6

x=1

y=-1-3=-4

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If K is the midpoint of JL, JK = 8x+11 and KL = 14x-1, find JL.

gladu [14]

Step-by-step explanation:

Since, K is the midpoint of JL.

$\therefore \: JK = KL \\ 8x + 11 = 14x - 1 \\ 11 + 1 = 14x - 8x \\ 12 = 6x \\ \frac{12}{6} = x \\ 2 = x \\ \\ \because \: JL = JK + KL \\ \therefore \: JL = 8x + 11 + 14x - 1 \\ \therefore \: JL = 8x + 14x + 11 - 1 \\ \therefore \: JL = 22x + 10\\ \therefore \: JL = 22 \times 2 + 10..(plug \: x = 2) \\ \therefore \:JL = 44 + 10 \\ \huge \red{ \boxed{\therefore \:JL = 54}}$