Answer:
d and c
Step-by-step explanation:
Answer:
I think the length of ED should be 6
The <u>Distance Formula</u> =

A(1,1) ⇒ the first 1 is

& the second 1 is

.
B(7,-7) ⇒ the first 7 is

& the second is -7 is

.
Now all you have to do is
SUBSTITUTE the variables into the distance formula to get:

.
After you plug that formula into your graphing calculator (or solve it manually & mentally), you should end up with the answer 10, therefore
d=10.
Answer:
If 10 men dig a ditch in 12 days .
Total man-days required to dig the ditch
= 10 men × 12 days
= 120 man-days
how long would 15 men take to dig it?
No of days required to finish the job by 15 men
= 120 men-days / 15 men
= 8 days
Answer: 8 days will be required to finish the job by 15 men
Step-by-step explanation:
Hope this helps u
Crown me as brainliest:)