Answer is squareroot of 21 or 4.58 in decimal
by pythagorean theorem
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Answer:
52 sides
Step-by-step explanation:
The only way I know how to do this is to create one fraction which is a combination of 2 steps used when 1 of the interior angles is known.
Formula
360/(180 - 9000/s ) = s
Multiply denominator and numerator on the left by s.
360 * s
======= = s
s* (180 - 9000/s)
Remove the brackets on the denominator
360s
================ =s
180s - 9000
Cancel the numerators s's.
360 / (180s - 9000) = 1
Multiply both sides by 180s - 9000
360 =180s - 9000
Add 9000 to both sides
360 + 9000 = 180s
9360 = 180s
Divide by 180
9360/180 = 180/180 s
s = 52
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The change is $20. You just need to calculate that how percent of the original salary($60) is $20.
20/60*100 = 33.3%
Answer:
C. b^27
Step-by-step explanation:
By the definition of exponents
And since for any real numbers and
This makes
Which is choice C.
Alternatively, we could use the identity
in which case
which is the same answer.