A group of 225 student needs to be arranged in a square formation for a halftime performance show
2 answers:
Answer:
15 students should be lined up in each row.
Step-by-step explanation:
A group of 225 student needs to be arranged in a square formation.
This means same number of students will sit in each row as in each column.
To find this we will take the square root of 225.
There will be = students in each rows and columns.
Therefore, 15 students should be lined up in each row.
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The number of people whose hobby is reading but not riding a motorcycle is 5.
<h3>What is the relative frequency of not riding a motorcycle?</h3>We want to calculate the number of people whose hobby is reading but they don't like riding the motorcycle,
therefore, when we look into the table we will find out that block A2 is the block that represents the number of people whose hobby is reading but not riding a motorcycle.
Hence, the number of people whose hobby is reading but not riding a motorcycle is 5.
Learn more about Relative frequency:
Answer:
Step-by-step explanation:
The formula for the future value (FV) of an investment earning compound interest is
where
PV = the present value (PV) of the money invested
r = the annual interest rate expressed as a decimal fraction
t = the time in years
n = the number of compounding periods per year
Data:
FV = $7100
r = 8 % = 0.08
t = 7 yr
n = 2
Calculation: