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kicyunya [14]
2 years ago
8

6: REDUCE to simplest term. 4/1 + 15/2​

Mathematics
1 answer:
vovangra [49]2 years ago
4 0

Answer:

\frac{4}{15}+\:\frac{1}{2} in the simplest term is:

\frac{4}{15}+\frac{1}{2}=\frac{23}{30}

Step-by-step explanation:

Given the expression

\frac{4}{15}+\:\frac{1}{2}

Thus, solving to reduce to the simplest term

\frac{4}{15}+\frac{1}{2}

LCM of 15, 2: 30

Adjusting fraction based on the LCM

so the expression becomes

\frac{4}{15}+\:\frac{1}{2}=\frac{8}{30}+\frac{15}{30}

Apply the fraction rule:      \frac{a}{c}+\frac{b}{c}=\frac{a+b}{c}

            =\frac{8+15}{30}

Add the numbers: 8+15 = 23

            =\frac{23}{30}

Therefore, \frac{4}{15}+\:\frac{1}{2} in the simplest term is:

\frac{4}{15}+\frac{1}{2}=\frac{23}{30}

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If S(t) is the amount of strontium-90 present in the area in year t, and it decays at a rate of 2.5% per year, then

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We can confirm this another way; recall the exponential decay formula,

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Then after 50 years, we have

S(50)=se^{50k}\approx0.282s

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