Answer:
1) 20% change I think its an increase.
If needed I could try to answer the 2nd question but I am sure that I got the first one right.
Step-by-step explanation:
If you flipped a coin 3 times:{
Total number of possible outcomes = 2³ = 8
Total number of outcomes with at least 2 tails = 4
{HTT , THT, TTH, TTT}
P(at least 2 tails ) = 4/8 = 1/2
Answer: 1/2
Answer:
I am very proud he is showing his work
Step-by-step explanation:
change the mixed numbers into improper fractions
4 1/2 = (2*4 +1)/2= 9/2
1 1/2 = (2*1+1)/2 = 3/2
9/2 divided by 3/2
9/2 * 2/3 = 18/6 =3
She can schedule 3 lessons per night
First, we calculate the amplitude
A = (1/2) (xmax - xmin)
A = (1/2) (8 - (-2)) = 5
Since we're given with the period which is pi, then the coefficient of x is just 1. So, the model is
y = 5 sin x