Answer:
The time it takes them to grade the essays if they work together is 1.857 hours
Step-by-step explanation:
- Let t1 is time taken by Professor J = 3 hours
- Let t2 is time taken by the assistant = 5 hours
- Let tb is the time taken by both
The formula for “Work” Problems that involve two persons is
<=>
<=>
<=> tb =
The time it takes them to grade the essays if they work together is 1.857 hours
To find the approximate length of the radius, you will use the formula for finding the circumference of a circle and solve for the radius (r).
C = 2 x pi x r
55 = 2 x 3.14 x r
<u>55 </u>= <u>6.28 x r</u>
6.28 6.28
r = 9.2 mm
The approximate radius is 9.2 mm.
Answer:
3. 25
4. 22
5. 14
6. 12
7. 45
Step-by-step explanation:
Answer:
Sue // 6 More blocks
Step-by-step explanation:
Sue has more blocks because 34>28.
34-28 is 6 so sue has 6 more.