Answer:
C.
The equation that represents this situation is -3x = 21. The second number is -7.
Step-by-step explanation:
Answer:
The value of the mean reflects both the number and the value of cases. is false
Step-by-step explanation:
Answer:
x = 20
Step-by-step explanation:
AE is an angle bisector, which means it cuts that triangle into 2 equal halves. So this means ∠BAE and ∠EAC should be equal to each other.
Set them equal to each other and solve for x.
∠BAE = ∠EAC
x + 30 = 3x - 10
40 = 2x
x = 20
If
is the inverse of
, then

which means

Solve for
:
