Answer:
f(5.5) = -26.5
Step-by-step explanation:
f(5.5) = -5x+1
f(5.5) = -5(5.5) +1
f(5.5) = -26.5
Answer:
Option (3)
Step-by-step explanation:
In a right triangle,
Cosine rule →
Sine rule → 
In the given triangle,
By cosine rule,


Or cos(h°) = z ÷ x
Therefore, Option (3) will be the answer.
Answer:
They were going at 15 mph. Scroll down for step-by-step! :)
Step-by-step explanation:
2 hours, 30 miles. 30 divided by 2 :)
(5x/2)-y=8 Is the standard form equation <3
Answer:
I'm pretty sure its -4-12x but I could be wrong
Step-by-step explanation:
First I tried to solve for x but got -12x+4 so to get 4 on the other side of the equation I subtracted and got -4-12x I hope this helps :)