Answer:
7
Step-by-step explanation:
Concept to Know: "A number is a perfect square if and only if it has odd number of positive divisors
"
Find all the squared values that lies between 360 and 630
360< 19², 20², 21², 22², 23², 24², 25² < 630
19², 20², 21², 22², 23², 24², and 25² are all the squared values that lies between 360 and 630. There are seven of those squared numbers so the answer is 7.
Answer:
60
Step-by-step explanation:
using the bodmas
multiply 4 by -3
then multiply with 5
15% off all fireworks
extra 15% off on July Fourth.
$112.25*.15= 16.8375
112.25-16.8375= 95.1625 *.15= 14.274375
95.1625-14.274375= 80.888125
$80.89 is the price.
If there are 20 groups of 10, then there are 200 pencils. Subtract 200 and 137 to get the number of dull pencils.
