$65.91 should be the account balance at the end of the month
3/4 - 1/5
0.75 - 0.2
0.55
Answer: 0.55 or 11/20
Answer:
-1/2
Step-by-step explanation:
Given:

Find the common denominator for the fractions, which is 6. Rewrite 1/3 as 2/6.

Combine like terms.

Simplify.
-0.5x = 1/4
Divide both sides by -0.5.
x = -1/2 = -0.5
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Using the cosine rule we can work out the length of the side opposite the indicated right angle which came to be 15mm
then the final answer came to be 163mm^2