Answer: He rides for 2.5 hours or 2 and a half hours.
Step-by-step explanation:
He needs to complete a trajectory of 22.5 kilometers.
He rides 9 kilometers per hour.
Divide the total by the amount of kilometers that he rides.
In July, the average temperature in one US city was 29 degrees by December, the average temperature had fallen by 29 degrees. Ex
2 answers:
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Answer:
21
Step-by-step explanation:
Three raise to third power can be written as . In this three is the base which is raised to third power.
Next we need to subtract 6 from Three raise to third power(i.e from 27)
which can be written mathematically as
Hence 6 less than three raised to the third power is 21 as explained above.
Your equations are right. just use the substitution method to solve. substitute y because both have that on one side
it'll look like 40x+30=30x+60.
then just get x in one side. I showed my owrk in the photo
it'll look like 40x+30=30x+60.
then just get x in one side. I showed my owrk in the photo