Answer:
7.5mi
Step-by-step explanation:
The radius is half the distance and diameter is full distance from one side of circle to other. Diameter = 2
Answer:
C. 3.33 hours
Step-by-step explanation:
Use the algebra work equation:
=
+
, where tb is the time to work together, t1 is the time it takes one person, and t2 is the time it takes the other person
Plug in the values we know:
=
+ 
=
+ 
= 
20 = 6tb
3.33 = tb
So, it would take them 3.33 hours when working together.
Answer:
A..is the answer of the question
Answer:
2
7
–
3
8
=
– 5
56
Result in decimals: -0.089285714285714
Calculation steps:
2
7
–
3
8
=
2 × 8
7 × 8
–
3 × 7
8 × 7
=
16
56
–
21
56
=
16 – 21
56
=
– 5
56