x^2 = 81/100
Let's take the square root of each side
x = 0.9 and -0.9
Answer:
5:2
Step-by-step explanation:
divide both numbers by 7
hope this helps...
Answer:
-13/30
Step-by-step explanation:
I used KCC. It is a method when you<u> keep you 1st # the same</u>, <u>change subtraction to addition</u> and then <u>change the last # to its opposite.</u> So after KCC, the equation would be -7/10 + 4/15