3 years ago

Interest is calculated by ____.

Mathematics

2 answers:

Ray Of Light [21]3 years ago

7 0

I think its c) multiplying the principal by the interest rate and time...

Reika [66]3 years ago

4 0

Answer:

c) multiplying the principal by the interest rate and the time.

Step-by-step explanation:

The interest is calculated by product of the principal amount and the interest rate and the time.

And if we want the total future value that the person has to pay then add the principal amount to the interest.

Amount=P+P*R*T

Amount=P(1+RT)

Hence we conclude that the answer is option c).

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Answer:

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Step-by-step explanation:

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likoan [24]

Answer:

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3 years ago

Determine the length of side QR in the following triangle

Jobisdone [24]

The length of the side QR in the task content can be determined as; 12.22cm.

<h3>What is the length of the third side QR?</h3>

It follows from the task content that 2 lengths and one included angle are given in the task content. It therefore follows that the length of side QR can be evaluated by the cosine rule as follows;

QR² = 13² + 4² - (2×4×13×cos70)

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QR = 12.22cm