76cm^2 you need to find the area of both, and subtract the smaller triangle from the larger.
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But here is a tool.
http://www.moneychimp.com/calculator/compound_interest_calculator.htm
You need to divide the minutes by hours
Answer:
<u>-2/7</u>
Step-by-step explanation:
2/5 x (-5/7)
multiply and reduce
-2 x 1/7
calculate
-2/7
Have a great day!!!
Answer:
10x^2-4x
Step-by-step explanation:
We will have to open the bracket first
So let's solve
2x(5x-2)
10x^2-4x
Since we are not asked to solve further so we will have to leave he final answer as 10x^2-4x
But in the case where a certain value is given to substitute for x we will have to solve further