I think for number 10 it is 1/2 of a circle.
Answer:
1. 11
2. -82
3.
4. 36
5. 1
Step-by-step explanation:
1. 3x + 5, when x = 2
Plug in the value of x
3(2) + 5 = 6 + 5
= 11
2. 5xy + x - 4, when x = -3 and y = 5
Plug in the values
5(-3)(5) + (-3) - 4
-75 - 3 - 4 = -82
3. , when a = 5, b = 3, and c = 10
Plug in the values
4. 3(xy + 6), when x = -6 and y = - 1
3(-6*-1 + 6)
3(6 + 6)
3(12)
36
5. , when x = -3 and y = -8
Answer:
1.5
Step-by-step explanation:
To find the midpoint, add the two coordinates and divide by 2
( -4+7)/2 =
3/2
1.5
The midpoint is 1.5
Answer:
T = 75 + 116.9*N
Step-by-step explanation:
We have that the equation for Michael's savings is:
A = 75 + 50.85*N, where N is the number of weeks
And we have that the equation for his wife's savings is:
B = 65.95*N.
So, to find the total amount saved using both plans combined (T), we have to sum A and B:
T = A + B = 75 + 50.85*N + 65.95*N = 75 + 116.9*N
So the equation that relates T to N is:
T = 75 + 116.9*N
(X - 2) (x + 6) is the answer