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Crank
3 years ago
8

How do you do this problem 1/4 +4x/5=11/20?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
8 0
\frac{1}{4}+\frac{4}{5}x=\frac{11}{20}\\\\\frac{4}{5}x=\frac{11}{20}-\frac{1}{4}\\\\\frac{4}{5}x=\frac{11}{20}-\frac{5}{20}\\\\\frac{4}{5}x=\frac{6}{20}\ \ \ \ \ \ \ |\cdot\frac{5}{4}\\\\x=\frac{30}{80}=\frac{3}{8}
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olasank [31]

Answer:

Line JL=8

Step-by-step explanation:

Think of side KL as a, JK as b, and JL as c.

According to the 30-60-90 degree angles rule, if a is equal to one, then b would be equal to √3, and c would be equal to 2. Using this in your situation, we can find out that JL is 8 by dividing 4√3 by √3 to get side KL which would be 4, and multiply that by 2 to get side JL which is 8. Good luck on the quiz!

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