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IRISSAK [1]
3 years ago
11

Make U the subject of the formula D = ut + kt2

Mathematics
1 answer:
natali 33 [55]3 years ago
6 0

Remark

I'm going to interpret this equation as

D = ut + kt²  The only difference is the 2.

Solution

Subtract kt² from both sides.

D - kt² = ut   Now divide by u on both sides.

\dfrac{D - kt^2}{t} = \dfrac{ut}{t}

The t's cancel out. on the right.  You are left with u on the right.

\dfrac{D - kt^2}{t} =\text{u}


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3 years ago
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The length of the prism is m.
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Answer:

Solution given.

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Answer:

4 years and 2 months

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<u>Simple interest formula</u>

A = P(1 + rt)

where:

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  • t = time (in years)

Given:

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  • P = $500
  • r = 24% = 0.24

Substitute the given values into the formula and solve for t:

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\implies \sf \dfrac{1000}{500}=(1 + 0.24t)

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\implies \sf 1 = 0.24t

\implies \sf t=\dfrac{1}{0.24}

\implies \sf t=4 \frac{1}{6} \:years

\implies \sf t=4\:years\:2\:months

Therefore, it takes 4 years and 2 months for the initial investment of $500 to double at a simple interested rate of 24%.

3 0
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3 years ago
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