Answer:
C=20° a=10.8 c= 4.3
Step-by-step explanation:
first we need to find the value of angle C by subtracting the sum of angle A and B from 180°.
to find c and a we need to use sin rule which states that sinB/b=sinA/a=sinC/c respectively
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Firstly: 3.3/4=15/4 h
She can walk 15÷(15/4)=4km in one hour
4*0.5=2km
So this woman can walk 2km within half an hour.
Answer:
A.
Step-by-step explanation:
The answer is A.
Good luck!
The simplest form is 10.
We can find simplest as form:
Given, fractions are 
and 
=10
Hence, simplest form of given fraction is 10.
Learn more about fractions here:
brainly.com/question/78672
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