1 answer:
Answer:
k=10 or k=−10
Step-by-step explanation:
Let's solve your equation step-by-step.
(
4
5
k)(k)−5=75
Step 1: Simplify both sides of the equation.
4
5
k2−5=75
Step 2: Add 5 to both sides.
4
5
k2−5+5=75+5
4
5
k2=80
Step 3: Divide both sides by 4/5.
4
5
k2
4
5
=
80
4
5
k2=100
Step 4: Take square root.
k=±√100
k=10 or k=−10
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Answer: x = -6
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x+2x+6x=180 degrees
Simplify: 9x=180 degrees
Divide both sides by 9
x= 20 degrees
Plug in:
x degrees = 20 degrees
2x degrees = 40 degrees
6x degrees = 120 degrees
The answer is square root of 2
X²-2x=x
x^2-2x-x=0
x^2-3x=0
x^2=3x
x(x-3)
x=3 x=0
Answer:
0.6 i think ...
Step-by-step explanation:
