Answer: m=-1.
Step-by-step explanation:
![Q(x)=x^2+mx-12\ \ \ \ Q(-3)=0\ \ \ \ \ m=?\\Q(-3)=(-3)^2+m*(-3)-12=0\\9-3m-12=0\\-3m-3=0\\3m=-3\ |:3\\m=-1.](https://tex.z-dn.net/?f=Q%28x%29%3Dx%5E2%2Bmx-12%5C%20%5C%20%5C%20%5C%20Q%28-3%29%3D0%5C%20%5C%20%5C%20%5C%20%5C%20m%3D%3F%5C%5CQ%28-3%29%3D%28-3%29%5E2%2Bm%2A%28-3%29-12%3D0%5C%5C9-3m-12%3D0%5C%5C-3m-3%3D0%5C%5C3m%3D-3%5C%20%7C%3A3%5C%5Cm%3D-1.)
Answer:
There is a 2.7% chance that a particular death is due to an automobile accident?
Step-by-step explanation:
Automobile _____ 24 deaths
Cancer _________182 deaths
Heart disease ____333 deaths
Total ___________ 883 deaths
Probability = number of automobile accident deaths / total deaths
Probability = 24 / 883
Probability = 0.027
Probability = 2.7%
The answer is 54x because 36+18=54, but then you have the x, so your answer is 54x
21²+28²=c²
√1225=c
35 miles - distance of the boat to its starting point
X+3≤ -5+2x
Add 5 to the other side. (the inverse of subtraction, since 5 is negative)
x+8≤2x
Subtract x on both sides.
8≤x <- the answer
I hope this helps!
~kaikers