4th term / second term = a1r^3 / a1r = r^2
so r^2 = 45/4 / 20 = 45/80 = 9/16
so r = sqrt 9/16 = 3/4 answer
Answer:
1mn
Step-by-step explanation:
combine like terms
-8mn+9mn=1mn
2 meters were used in 10 masks
2meters/10masks= 0.2meters per mask
Answer:
The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other. Once you know the constant of proportionality you can find an equation representing the directly proportional relationship between x and y, namely y=kx, with your specific k.
Answer:
A. Olivia is correct.
Step-by-step explanation:
If the total amount of gravel stated is 689 pounds and you want to check your answer, you can subtract one of the two trucks from the total. Which would be either 689 - 231 or 689 - 458. Therefore, A is the correct answer.