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3 years ago

Use the compound interest formula to find the present value P, for the following given values.

Mathematics

1 answer:

Nookie1986 [14]3 years ago

3 0

The question is not valid

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There are currently 58 million cars in a certain country, increasing exponentially by 5.5% annually. how many years will it take

kozerog [31]

79/58=e^0.055t
1.3620690=e^0.055t
ln 1.3620690=ln e^0.055t=0.055t ln e=0.055t
t=5.6183 years
☺☺☺☺

6 0

3 years ago

Let x be a random variable representing percentage change in neighborhood population in the past few years, and let y be a rando

Lisa [10]

Answer:

$m=\frac{2506.833}{604.833}=4.1447$

Nowe we can find the means for x and y like this:

$\bar x= \frac{\sum x_i}{n}=\frac{77}{6}=12.833$

$\bar y= \frac{\sum y_i}{n}=\frac{587}{6}=97.833$

And we can find the intercept using this:

$b=\bar y -m \bar x=97.833-(4.1447*12.833)=44.644$

So the line would be given by:

$y=4.1447 x +44.644$

Step-by-step explanation:

$m=\frac{S_{xy}}{S_{xx}}$

Σx = 77, Σy = 587, Σx2 = 1593, Σy2 = 70,533, and Σxy = 10040.

Where:

$S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}$

$S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}$

With these we can find the sums:

$S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}=1593-\frac{77^2}{6}=604.833$

$S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i){n}}=10040-\frac{77*587}{6}=2506.833$

And the slope would be:

$m=\frac{2506.833}{604.833}=4.1447$

Nowe we can find the means for x and y like this:

$\bar x= \frac{\sum x_i}{n}=\frac{77}{6}=12.833$

$\bar y= \frac{\sum y_i}{n}=\frac{587}{6}=97.833$

And we can find the intercept using this:

$b=\bar y -m \bar x=97.833-(4.1447*12.833)=44.644$

So the line would be given by:

$y=4.1447 x +44.644$

5 0

3 years ago

Tyler order a meal that cost $15if the tax rate is 6.6 percent how much is the sale tax on Tyler meal,how much of a tip I should

Marta_Voda [28]

Answer:

0.99

Step-by-step explanation:

3 0

3 years ago

What is 0.433 rounded to the nearest tenths

Fynjy0 [20]

0.433 is already rounded to the hundredths so to round it to the nearest tenths, remove the last number.

Your answer is 0.43

6 0

3 years ago

Read 2 more answers

Shawna has $435.15 in her savings account. Which of these numbers has a 1 with a value that is 1/10 the value of the 1 in $435.1

Margaret [11]

434.15 the 1 in this equals 1/10

5 0

3 years ago