Answer:
I'm not sure what you mean by ''the sum of cubes'',
But I know that 64x6=27=411
if you need more info tell me!
Step-by-step explanation:
Answer:
7/3 and 1/3
Step-by-step explanation:
Mary will need 27 yards of fencing to enclose her garden. She has 90 square yards for planting.
The answer to your question is 600 and 60
9514 1404 393
Answer:
Step-by-step explanation:
Let x represent the amount invested at 9%. Then 7000-x was invested at 4% and the interest earned was ...
9%·x +4%(7000-x) = 430
5%·x +280 = 430 . . . . . . . . . simplify
0.05x = 150 . . . . . . . . . . . subtract 280
x = 3000 . . . . . . . . . . divide by 0.05
$3000 was invested at 9%; $4000 was invested at 4%.
