Answer:
1. x=10; y=10 x root 2
Step-by-step explanation:
This is a 45-45-90 triangle, so the legs of the right triangle have an equal length. The formula states that y=x root 2, which is 10, so 10 root 2. The other triangles are all 30-60-90 triangles.
Answer:
125 minutes
Step-by-step explanation:
got it right on edge
3) 7.67 x 10 ^-2
4) 3.3 x 10 ^3
Answer:
45.7miles per hour
Step-by-step explanation:
40mins = 2/3 hour
the bus travelled (2/3 x 40) miles = 80/3 miles
the cab took 35 mins (which is 7/12 hour) so it's speed is (80/3)/(7/12) miles/hour = 45.714 miles/hour (5 s.f.)
