Answer:
790
Step-by-step explanation:
.10x=79
multiply both sides by 10
x=790
Answer:
1/7
Step-by-step explanation:
When 2 lines are perpendicular the gradient of one is the reciprocal of the other :
If the gradient of A was 2 the gradient of B would be 1/2.
If the gradient of a is 7 the gradient of b would be 1/7 .
Hope this helped and have a good day
Answer:
72 minutes
Step-by-step explanation:
in minutes,
1/90 + 1/x = 1/40
x = 72
13.1 feet is the correct answer, a thanks and rate would be great :P