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gtnhenbr [62]
2 years ago
11

If 50 is increased by 80%, what is the new amount?

Mathematics
2 answers:
Bingel [31]2 years ago
7 0
90

Hope this helps!!:)
Vedmedyk [2.9K]2 years ago
3 0
Answer: 90
Explanation: 50 times .8
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\begin{gathered} p(t)=-15.64t^2\text{ - 1.23t + 5.23} \\ =\text{ -15.64}\times0.52^2\text{ - 1.23}\times0.52\text{ + 5.23} \\ =\text{ -4.23 - 0.64 + 5.23} \\ =\text{ 0.36} \end{gathered}

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\begin{gathered} p(t)\text{ = 1} \\ p(t)=-15.64t^2\text{ - 1.23t + 5.23} \\ 1=-15.64t^2\text{ - 1.23t + 5.23} \\ -15.64t^2\text{ - 1.23t + 4.23 = 0} \\ t\text{ = 0.48222} \\ \text{t = 0.48 seconds} \end{gathered}

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