Answer:
Two quarters (50 cents)
Two dimes (20 cents)
Four pennies (4 cents)
Step-by-step explanation:
Guess and check.
Answer:
-3 , 9
Step-by-step explanation:
Sum = - 6
Product = -27
Factors = 3, -9
x² - 6x-27 = 0
x² + 3x - 9x - 9*3 = 0
x(x + 3) - 9(x + 3) = 0
(x + 3) (x - 9) = 0
x +3 = 0 ; x - 9 = 0
x = - 3 ; x = 9
Solution: x = -3 , 9
No, because it has a constant rate of change
Y : x
14 : 18
31 : x
18*31/14=x
39.85714286
ANSWER
x=39.86
