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klasskru [66]
2 years ago
8

Find the area of square of one of its side is (3x+4y)cm.If x=4 and y=1,find its actual area.​

Mathematics
1 answer:
kumpel [21]2 years ago
7 0

Answer:

Step-by-step explanation:

hello :

the area is : (3x+4y)²cm²    when :x=4 and y=1, the area is : (3(4)+4(1))²cm² =16²cm2=256cm²

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Also, by definition, a positive number is greater than 0, and a negative number is smaller than zero. So, if x is positive and y is negative, you have

y < 0 < x

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y < x

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2 years ago
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yulyashka [42]

We have here the formula for Compound Interest:

A=P(1+\frac{r}{n})^{nt}

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• P is the Principal (the original amount of money, the starting amount of money).

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• r is the interest rate.

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• n is the number of times per year compounded.

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• t is the time in years.

When we have that n is equal to 12, we are talking here about that the amount of money is being compounded monthly (we have 12 months in a year, 12 periods, n = 12). <em>Therefore, we are dividing the rate, r, by the number of compoundings per year, n, and this is the rate per each new compounding period of time, r/n, and, in this case, n = 12 (monthly interest rate). </em>

Therefore, in few words, the fraction (0.04/12) is the monthly interest rate (option C).

[If we see the other options, we have:

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7 0
1 year ago
Please help meeeeeee<br><br>Find the value of x in the diagram. Explain how you found the answer.​
steposvetlana [31]

Answer:

x = 65

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x = 65

8 0
2 years ago
Read 2 more answers
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