Answer:
$5.46
Step-by-step explanation:
Find out how much she had to pay by multiplying the amount she got by the cost and adding the two totals together.
4*2.49=9.96
2*2.29=4.58
4.58+9.96=14.54
Subtract to find change
20-14.54=5.46
Answer:
f(n) = -34
Step-by-step explanation:
n = 20
f(n) = -2(20) + 6
f(n)= -40 +6
f(n) = -34
Let
represent Jose's drived distance and
represent Rob's.
So what you need to do is to solve the equation:
So Jose drove for
6 hours before Rob caught him.
Our angle teta is:
teta = 3pi/4
since that is larger than pi/2 but less than pi that means that our angle lies in II quadrant (x negative y positive)
sin(3pi/4) = √2/2
cosine and tangent of that angle must be negative because of position of the angle.
cos(3pi/4) = -√2/2
tan(3pi/4) = -1
