Answer:
the second one
Step-by-step explanation:
Answer:
the last one
Step-by-step explanation:
plug in -2 for x and -3 for y
To solve this problem we can make a proportion.
6 5
-- = ---
10 x
to solve this proportion we can cross multiply and divide.
5 times 10 is 50. divided by 6 is 8.3
it will take her 8.3 minutes to run 5 laps
First, let x be the number of hours it will take for Hector to finish the same job alone. This means that every hour, Hector can do 1/x of the job. The amount of work done by Shawn and Hector in 6 hours should be equal to 1 complete work. This can be expressed as,
(1/9 + 1/x)(6) = 1
The value of x is 18. Thus, Hector can to 1/18 of the job in one hour.
Answer:
See below.
Step-by-step explanation:
Formula:
First term: n = 1
Second term: n = 2
Third term: n = 3
Fourth term: n = 4
Tenth term: n = 10
