What is the solution of 7k+2=4k-10?

2 answers:

6 0

$7k+2=4k-10\ \ \ |-2\\\\7k=4k-12\ \ \ \ |-4k\\\\3k=-12\ \ \ \ |:3\\\\k=-4\\\\check:\\L=7(-4)+2=-28+2=-26\\R=4(-4)-10=-16-10=-26\\L=R$

slava [35]3 years ago

4 0

3k = -12 => k = -4

I Hope this helps...

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katen-ka-za [31]

Which ever graph looks like this

5 0

3 years ago

Amanda [17]

4 = (r-2) t

8 = (r+2) t

4 = (r-2) * [8/(r+2)]

4 = (8r-16)/ (r+2) . . .multiply by 2

4r + 8 = 8r - 16

4r = 24

r = 6

hope this helps

7 0

3 years ago

nika2105 [10]

Answer:

180°

Step-by-step explanation:

cos(x) = - 1 has only 1 solution in the required interval , that is

x = $cos^{-1}$ (- 1) = 180°

7 0

3 years ago

VARVARA [1.3K]

The answer is D because the range is all the y-values.

5 0

3 years ago

s2008m [1.1K]

Your answer is (3x+y)(x-4). (hope this helps.)

7 0

3 years ago