The answer to this problem is 5.
1 over 7 to the 2nd power
First you find the probability of each coin turning up tails, then you multiply the two probabilities together:
1/2 x 1/2 = 1/4
Answer:
D. 28.54
Step-by-step explanation:
To find the area of the shaded region, find the area of the circle and divide it in 4. This will the area of the portion with the triangle.
Now, find the area of the triangle and subtract the two. The resulting value will be the area of the shaded region.
Circle:

Divide by 4 for the area of the section with the triangle.
314/4 = 78.5
Triangle:

Subtract the two, 78.5 - 50 = 28.5.
Answer:
y=425*250^1.083
Step-by-step explanation:
It wants to write an equation of that models the amount of money in the account each month for the first year.
We need the Exponential Equation Formula: y=a*bx
Y is the amount of money in the account.
a is the initial amount he starts with
b is the amount being added each month
x is the rate of return
So, y=425*2501.083