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4 years ago

Estimate 7 1/4-2 5/12

Mathematics

1 answer:

Nadusha1986 [10]4 years ago

3 0

7 1/4 - 2 5/12 = 29
6
= 45
6
≅ 4.833333

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Step-by-step explanation:

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Answer:

$y=120 * 1.1^x$ --- function

The monthly rate is 10%

Step-by-step explanation:

Given

Let

$x \to months$

$y \to mice$

So, we have:

$(x_1,y_1) = (0,120)$ --- Monday

$(x_2,y_2) = (1,132)$ --- One month later

Required

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The function is represented as:

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$132 = 120 * b$

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$b = \frac{132}{120}$

$b = 1.1$

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$y=ab^x$

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To calculate the monthly rate (r), we have:

$y =a(1 + r)^x$

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