Answer:A
Step-by-step explanation:
Answer:
2x times 10 im guessing
Step-by-step explanation:
<span>A direct variation means proportionality. Triangular numbers are quadratic in n. T(n)=n(n+1)/2. So no.</span>
Answer:
The reciprocal of 13/14 is 14/13. Which is also 1 and 1/13
Step-by-step explanation:
This is because a reciprocal means flipping the fraction. Changing the numerator to the denominator. Then I changed the improper fraction to a mixed number. (If you don't mind)