D. -4/3
Let's solve your equation step-by-step.
9x2+24x+20=4
Step 1: Subtract 4 from both sides.
9x2+24x+20−4=4−4
9x2+24x+16=0
Step 2: Factor left side of equation.
(3x+4)(3x+4)=0
Step 3: Set factors equal to 0.
3x+4=0 or 3x+4=0
x=
−4
/3
Hope This helps
Download photo math and put the problem into it it will solve it
Answer:
½
Step-by-step explanation:
There are 6 marbles. 3 are white.
So, it's 3/6 and that's ½
It sucks that points have to be used in order to post questions.
Openstudy - the company that merged into Brainly - was much better.
Anyway, I think that the answer to this question is A. I'm not sure, though.
Answer:
80%
Step-by-step explanation:
out of 20, 1 would be 5%
4 = 20%
100% - 20% = 80%