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pashok25 [27]
3 years ago
14

Evaluate 8 - 4.7y - x when y= -1 and x= 2.

Mathematics
2 answers:
Marat540 [252]3 years ago
4 0
Substitute in the values for y and x into the equation.

so..

8 - 4.7(-1) - (2)   solve the equation 
8 + 4.7 -2 
12.7 - 2 
10.7 
ollegr [7]3 years ago
4 0
If you substitute the values in to the equation, you will get:
8 - (4.7 * -1) - 2 and that will get you to...
8 - (-4.7) - 2
8 + 4.7 - 2
= 10.7
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Answer:

Interest rate, R = 244%

Step-by-step explanation:

Given the following data;

Principal = $270

Simple interest = future amount - principal = 309.60 - 270 = $39.60

Time = 22/360 = 0.06 years

To find the interest rate?

Mathematically, simple interest is calculated using this formula;

S.I = \frac {PRT}{100}

Where;

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Substituting into the equation, we have;

39.60 = \frac {270*R*0.06}{100}

Cross-multiplying, we have;

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3 years ago
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2 years ago
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Answer:

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Next simplify the expression using the rules of indices to simplify the letters in the fraction

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Since they are dividing we subtract the exponents

We have

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<h2>\frac{9c}{12e}</h2>

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We have the final answer as

<h2>\frac{3c}{4e}</h2>

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