The awnser is 729 Bc 81 times 9 equals 729
Answer:
28
Step-by-step explanation:
7+21=28
a-7=21
She had both on May 5
swimming lessons every 5th day
5,10,15,20
diving lessons every 3rd day...
3,6,9,12,15
so they both have a common multiple of 15
so fifteen days after May 5 = May 20 <==
Answer:
Step-by-step explanation:
Determine the dimensions of a rectangle if:
A = x2 – 19x – 90
Step One
Find the fraction left.
Starting amount = 7/8 pound
Used amount = 1/7 of a pound.
The common denominator of these two fractions is 8 * 7 = 56
Amount left = amount started with - amount used
Amount left = 7/8 - 1/7
Amount left =

Amount left =

Amount left = 41 / 56 pounds
Step Two
Convert the Answer to ounces.
Ounces = (41/56) * 16
Ounces = 11.71 ounces almost 11 3/4