Answer: Option B.
Step-by-step explanation:
If a varies directly with b then when a increases b it also increases by a factor k.
Then we can write that
We know that when a = 28 then b = 7. So
Therefore the equation of proportionality is:
So when then:
Answer:
i think its 37.5%. let me know if its correct or not
Step-by-step explanation:
By the definition for the absolute value,
So for the compound function
, there are three intervals to consider. What happens when
? when
? when
?
You have
Answer:
up down down down
Step-by-step explanation:
due to the governments high spending the employment was down because the gov. couldn't afford to pay its workers, so many were laid off and also due to the spending wages were low, and the economy was down because of the little amount of buisness.
The greatest common factor is 3x². The rest doesn't factor.
21x³y² -3x²y +75x⁴ = 3x²(7xy² -y +25x²)