Answer:
See below
Step-by-step explanation:
4 sin^2 -1 =0
sin^2 = 1/4 Take sqrt of both sides
sin = ± 1/2 < ===== this is likely where he went wrong (forgot + - )
answer: pi/6 5pi/6 7 pi/6 11pi/6
I think it’s triangle four
90 + 8 ? What are you asking? :)
Answer:
1. f(x) is the total cost
2. x is the hours spent on the internet
3. the base rate is 3.50
4. hourly charge is .75
5. 4.63
Step-by-step explanation:
1. f(x) is the total cost or the amount of money he has to pay
2. x is the hours spent on the internet, it is the time spent on the internet
3. the base rate is 3.50, or the minimum amount just to get connected
4. hourly charge is .75
5. Let x = 1.5 for the hour and a half
f(1.5) = .75(1.5) + 3.5
1.125+3.5
4.625
To the nearest cent
4.63
Answer:$0.25
Step-by-step explanation:
$3.00 divide by 12= 0.25