3 years ago

Which of the following is equivalent to 8x2+20x+

Mathematics

1 answer:

kkurt [141]3 years ago

7 0

<h2>answer </h2><h2>36</h2>

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Since 1995 the cost of a bag of groceries has increased about 2.5% each year. The equation C = 25(1.025)x will give the value of

Marianna [84]

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Step-by-step explanation:

Given

The equation showing the value of the bag after x years is $C=25(1.025)^x$

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Initial cost of the bag is 25

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Insert it in the equation

$\Rightarrow 50=25(1.025)^x\\\Rightarrow 2=1.025^x\\\text{Taking natural log}\\\Rightarrow \ln 2=x\ln (1.025)\\\\\Rightarrow x=\dfrac{\ln 2}{\ln 1.025}\\\\\Rightarrow x=28.07\approx 28$

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2 years ago

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Answer:

Step-by-step explanation:

A = $\frac{hb}{2}$

h = 10 cm , b = 17 cm

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