Answer:
√7 units, √98 units
Step-by-step explanation:
Pythagorean theorem
a^2+b^2=c^2. So 9+b^2=16. So b^2=7. So b=√7
a^2+b^2=c^2. SO 49+49=c^2. So 98=c^2. So c=√98.
Answer:
1) MArta's rate= 1/10 = 0.1 miles per minute
2) Ira was the fastest on the last ride
Step-by-step explanation:
Marta 's rate in miles per minute= distance/ time= 8/80= 1/10= 0.1 miles per minute
Loribeths 's rate in miles per minute= distance/ time= 6/42= 1/7 = 0.142 miles per minute
Ira's s rate in miles per minute= distance/ time= 15/75= 1/5= 0.2 miles per minute
Comparing the three results Ira is the fastest
Step-by-step explanation:
1/8×8/3-1/3
=1/3-1/3
=0