7r+8p-(5-rp-rp) where r=3 and p=4
plug in 3 and 4 for r and p where it says in the equation
7(3)+8(4)-(5-(3)(4)-(3)(4))
multiply
21+32-(5-12-12)
21+32-(-19)
two negatives make a positive
21+32+19
=72
Answer:
20 minutes
Step-by-step explanation:
Theres 60 minutes in a hour so a third of that would be 20
Answer:
f
−
1
(
x
)
= arccos (
x
)
+ π/
2
Step-by-step explanation:
y=cos(x-pi/2)
For inverse, interchange the variables and solve for y
f
−
1
(
x
)
= arccos (
x
)
+ π/
2
Answer:
33 miles per gallon
Step-by-step explanation:
