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3 years ago

13

Mike invested $7500 in stocks. He is considering transferring his investment to another fund because since making his investment

, the value of his investment has been decreasing by 0.4% per month. If Mike's investment continues to decrease at this rate and he doesn't transfer it to another fund, how long will it take for the stock's value to be less than $7000?

2 answers:

Fed [463]3 years ago

6 0

About 17 months
Actual number 16 2/3

Alona [7]3 years ago

5 0

7000=7500 (1-0.004)^x
Solve for x
X=log(7,000÷7,500)÷log(1−0.004)
X=17.21 months

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Liliana is making a vase with a circular base. She wants the area of the base to be between 135 cm2 and 155 cm2. Which circle co

Umnica [9.8K]

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(b) Circle C is shown. Line segment A C is a radius with length 7 centimeters.

Step-by-step explanation:

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$Maximum\ Area = 155cm^2$

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Required

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To do this, we simply calculate the areas of all the given circles

The area of a circle is:

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$Area = \pi r^2$

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The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (7cm)^2$

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<em></em>

$c.\ r = 8cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (8cm)^2$

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The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (9cm)^2$

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<em>From the calculations above; only the circle in option (b) has an area within the required range of 135 to 155cm^2</em>

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