What is 13/31 as a percentage? Give your answer rounded to one decimal place.
2 answers:
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Answer:
a = 10/3
Step-by-step explanation:
This can be written as:
Anything to the power of 1/3 means to find the cube root. We can simplify this to:
I just multiplied 4 and 1/3 (because of the second index law ). Now, we can add the powers because the bases are the same and we are multiplying (first index law):
a = 10/3
Hope this helps!
Answer:
C
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
=
, substituting values
=
( cross- multiply )
21x = 7(24 - x) ← distribute
21x = 168 - 7x ( add 7x to both sides )
28x = 168 ( divide both sides by 28 )
x = 6 → C