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ddd [48]
4 years ago
6

What mathematics concepts or principles did you apply to come up with the solution of each equation? explain how you applied the

se.
 
 
 
please help me ..... 
Mathematics
1 answer:
AlexFokin [52]4 years ago
8 0
You need to look at the question again, and notice the words "... did you ...".
From those words, it's clear that the question comes AFTER you have solved
several equations, and now, this question is asking you how you solved them.

The only way for YOU to answer this question is to solve the equations first.

And if you want someone ELSE to tell the math concepts and principles that
are used to solve them, then you have to show him what the equations are.
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Answer: A) 15

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Because of Pythagorean Theorem, 9^2+12^2=BC^2.  Thus, 81+144=BC^2.  Thus, 225=BC^2.  Thus, 15=BC.

Hope it helps, and ask if you want further clarification <3

4 0
4 years ago
Only some points on a graph of an equation satisfies the equation. true or false?
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4 0
3 years ago
Mr. Chan places $4000 in a bank as a fixed deposit for 2 years. The bank offers an interest compounded yearly. At the end of 2 y
serious [3.7K]

Answer:

Step-by-step explanation:

Mr. Chan originally placed 4,000 in the bank as a fixed deposit for 2 years.

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How to solve:

Simply take away the 4 in the amount of money

Leaving: $243.60

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Now divide 243.60 by 1/2

which is 121.8

Mr.Chan got 121.8 worth of interest a year

$10.5 a month

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All in 2 years.

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(65*143) then divide by 100= 92.95 meaning your answer is B
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