I think the answer is: -3/7x
Answer:
Step-by-step explanation:
in a right triangle a^2+b^2=c^2,
where a and b are the legs
where c is the hypothenuse
9^2= b^2+3^2
81-9=b^2
b^2=72
b=8.48
ANSWER
36 .19
EXPLANATION
We want to estimate
This is the same as
or
We multiply the numerators to get,
We convert to decimals to get
Answer:
You never gave the speed of the blue train. The path to collision is equal to 1½ circles. 1.5 x 210 meters = 315 meters I'm going to arbitrarily guess the speed of the blue train is 15 meters per minute. They are therefore approaching each other at a combined rate of 35 meters per minute. 315 / 35 = 9 minutes Answer: 9 minutes
Step-by-step explanation:
Answer:
9 hours
Step-by-step explanation:
if 8 volunteers=6 hours then
1 volunteer= 6÷8 =0.75 hours
12 volunteers= 0.75×12 =9 hours