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jeyben [28]
3 years ago
9

Nicole deposited $2,000 at 6% simple interest. How long will it be before she has $2,600 in her account?

Mathematics
1 answer:
Kryger [21]3 years ago
5 0
FV=PV(1+r)ⁿ

FV=Future Value, or the $2,600 that you want.
PV=Present Value, or the value that you are depositing.
APR: .06

2,600=2,000(1.06)ⁿ
2,600=2120ⁿ
It would take about a year for Nicole to get $2600.

~Hope I helped~
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The mass of a bacteria culture doubles every four days. If the initial sample is 5mg: a) how much will you have after one week (
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Answer:

a) 16.82 mg

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Step-by-step explanation:

Formula for exponential growth is given as:

A=A_0b^{\frac{t}{c}}

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c is the time taken for the growth 'b'

t is the amount of time

Here, We are given the following:

A_0 = 5 mg

b = 2 (Given because it doubles)

c = 4 days

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Using the formula:

A=5 \times 2^{\frac{7}{4}}\\\Rightarrow A=5 \times 2^{1.75} \\\Rightarrow A = \bold{16.82\ mg}

b) Given

A = 320 mg

t = ?

Using the above formula again:

320 = 5 \times 2^{\frac{t}{4}}\\\Rightarrow \dfrac{320} 5= 2^{\frac{t}{4}}\\\Rightarrow 2^{\frac{t}{4}} = 64\\\Rightarrow 2^{\frac{t}{4}} = 2^6\\\Rightarrow \dfrac{t}{4} = 6\\\Rightarrow t = 6 \times 4\\\Rightarrow \bold{t = 24\ days}

So, the answers are:

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3 years ago
Ten women sit in 10 seats in a line. All of the 10 get up and then reseat themselves using all 10 seats, each sitting in the sea
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Answer:

Step-by-step explanation:

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8 0
3 years ago
On the first visit to the veterinarians office chorus kitten weighed 550 g on the second visit the kitten had ganged 350 g on th
Roman55 [17]

Answer:

<em></em>\%Increase = 118\%<em></em>

<em></em>

Step-by-step explanation:

Given

Initial\ Weight = 550g

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Required

Determine the percentage increment

First, we have to calculate the new weight

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New\ Weight = 550g + 350g + 300g

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The percentage increment is then calculated as:

\%Increase = \frac{New\ Weight - Initial\ Weight}{Initial\ Weight} * 100\%

\%Increase = \frac{1200g - 550g}{550g} * 100\%

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\%Increase = \frac{650}{550} * 100\%

\%Increase = 1.182* 100\%

\%Increase = 118.2\%

<em></em>\%Increase = 118\%<em> -- Approximated</em>

<em></em>

<em>Hence, the percentage increment is approximately 118%</em>

6 0
3 years ago
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