SQUARE ROOT RELATED - Please show work and/or explanation What is the square root of 180
1 answer:
Answer:
6 or approximately 13.416407865
Step-by-step explanation:
List all of the factors of 180.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
Find the perfect squares from the list such as:
1, 4, 9 and 36
Choose the biggest one and divide 180 by it.
180 / 36 = 5
Calculate the square root of your square number
=6
Your answer is 5 (in its simplest radical form)
If you wanted to calculate the answer as a decimal, 5 x = approximately 13.416407865
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Answer:
Her usual rate is 0.8333 miles per hour.
Step-by-step explanation:
The velocity formula is given by:
In which d is the distance and t is the time.
She completed the first half of the walk 1 mi/h faster than usual
Her usual rate is v. 1mph faster is v + 1.
The second half of the walk 2 mi/h slower than the first half.
The first half is v + 1.
2mph slower is v + 1 - 2 = v - 1. Then
Total rate:
7.2 hours, and 6 miles. So
One half is v+1 and the other is v - 1. This is why each is multiplied by 0.5.
Her usual rate is 0.8333 miles per hour.