Answer:
Step-by-step explanation:
So the nearest perfect square to 3793 is 3721. Hence, the least number that must be subtracted from 3793 to get a perfect square = 3793 - 3721 = 72.
Answer:
Step-by-step explanation:
find the prime factors of given numbers:
126= 2*3*3*7- this side can be cut into any number here or combination of numbers as per factors
108= 2*2*3*3*3 - same as above
As per prime factors, the squares can be of sizes:
2×2, 3×3, 6×6, 9×9 and 18×18
The least number can be obtained with the biggest size option 18×18, this will give 7*6=42 square
Answer:
The amount of time it takes Shelly to clean each house is 3.6 hours or 2 hours 36 minutes.
Step-by-step explanation:
Shelly cleans 5 different houses in 18 hours.
To compute the amount of times Shelly spends cleaning one house divide the total hours spend by the number of houses cleaned.
The number of hours it takes Shelly to clean a single house is:
Number of hours spent cleaning 1 house =
hours.
Thus, the amount of time it takes Shelly to clean each house is 3.6 hours or 2 hours 36 minutes.
Answer:
2 hour 15 min
Step-by-step explanation:
60 min = 1 hour
1 hour + 35 min + 40 min
1 hour + 75 min
1 hour + 1 hour + 15 min
= 2 hour 15 min