Answer:
Slow car = 60mph
Fast car = 80mph
Step-by-step explanation:
Slow car = x mph
Fast car = x + 20 mph
Time = y
xy = 180
xy + 20y = 240
180 + 20y = 240
60 = 20y
y = 3
Since they traveled for 3 hours,
3x = 180
x = 60
Slow car = 60mph
Fast car = 80mph
Answer:
r=0
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
√3 is an irrational number, 2 is a rational number.
the product of this will be 2√3 in surds form, and when pressed into the calculator will provide you with an irrational answer.
Answer:13
Step-by-step explanation:
y/x = 3/1 Triangle 1 is similar to triangle 3
y = 3 x Multiply each side by x