Both the heads and tails will have a probability of 0.5 with a fair coin. ... TO find probability that foe the 7th toss head appears exactly 4 times.
I hope this helps you
x^2+4x+3=2x+6
x^2+2x-3 =0
x +3
x -1
(x+3)(x-1)=0
x+3=0 x= -3
x-1=0 x=1
<h2>
Answer: m = -1</h2>
Step-by-step explanation:
If you follow the formula : y2 - y1 / x2 - x1
You will get 
m = -1
* Hopefully this helps:) Mark me the brainliest:)!!!
30%*470=141 (So the number of students in 8 grade is 141)
f(x) is concave down on an interval I if all of the tangents to the curve on I are above the graph of f(x)