Answer:
2
Step-by-step explanation:
So!
If the d (discriminant)
d > 0 Then 2 solutions
d = 0 Then 1 solution
d < 0 Then none
36 > 0 so 2 solutions
Answer:
refer to explanation
Step-by-step explanation:
the lengths of the base and height are the factors of 20
so they can be 5×4, 10×2, 1×20
Using the quadratic formula, the answers could be A B and D
4 & 9 LCM - 36
8 & 10 LCM - 40
12 & 5 LCM - 60
3 & 6 LCM - 6
3 & 5 LCM - 15
4 & 11 LCM - 44
If an adult blinks 450 times in 30 minutes, then he will blink 900 times in 60 minutes.
A 12-year old blinks 150 times in 15 minutes, so he will blink (150 x 4) in 60 minutes, which comes out to: 600.
so 900-600
An adult blinks 300 times more in 60 minutes than a 12-year old.
