Answer:
Step-by-step explanation:
The appropriate identity is ...
Filling in α=x/2 and β=x/4, we get ...
Jenna has 35 Quarters and 15 Dimes.
Answer:
2.54 : 1
Step-by-step explanation:
(For the first part)
So 1 inch = 2.54 centimeters
30 x 2.54 = 76.2
(For the second part)
2.54 : 1
Answer:
1
Step-by-step explanation:
I graphed it to check. x^2+4x-1 has a vertex of (-2,-5).