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Sergio039 [100]

2 years ago

10

The money in michelle's bank account increased from $250 to $500. what was her percent of increase?

2 answers:

abruzzese [7]2 years ago

8 0

You have to know the time.
If it doubled in a year, the rate is 100%
If it doubled in 2 years, the rate is 41.4214%
If it doubled in 3 years, the rate is 25.9921%
If it doubled in 10 years, the rate is 7.17735%

sergeinik [125]2 years ago

4 0

Percentage increase = Final - Initial / Initial * 100
% increase = 500 - 250 / 250 * 100
% increase = 250 / 250 * 100 = 100

In short, Your Answer would be 100%

Hope this helps!

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Complete the point-slope equation of the line through (2,3)(2,3)left parenthesis, 2, comma, 3, right parenthesis and (7,4)(7,4)l

vovikov84 [41]

Answer:

$y = \frac{1}{5}x +\frac{13}{5}$

Step-by-step explanation:

Given

$(x_1,y_1) = (2,3)$

$(x_2,y_2) = (7,4)$

Required

Complete the equation y - 4.....

First, we need to determine the slope as follows:

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{4 - 3}{7 - 2}$

$m = \frac{1}{5}$

The equation is then calculated as thus:

$y - y_1 = m(x - x_1)$

This gives:

$y - 4 = \frac{1}{5}(x -7)$

Open bracket

$y - 4 = \frac{1}{5}x -\frac{7}{5}$

Add 4 to both sides

$y - 4 +4= \frac{1}{5}x -\frac{7}{5} + 4$

$y = \frac{1}{5}x -\frac{7}{5} + 4$

$y = \frac{1}{5}x +\frac{-7+20}{5}$

$y = \frac{1}{5}x +\frac{13}{5}$

6 0

3 years ago

Solve for B in the picture below

Oxana [17]

Answer:

b= -48

Step-by-step explanation:

by transposing,

43=59+b/3

b/3+59=43

b/3=43-59

b/3= -16

b= -16×3

b= -48

therefore the answer is b= -48

hope it helps!!!

PLEASE MARK BRAINLIEST..

5 0

2 years ago

Read 2 more answers

25 decreased four times n

disa [49]

The answer is 4n-25
4 times n is 4 n

and 25 decreased or subtracted from the 4n
thus the answer is 4n-25

8 0

2 years ago

Read 2 more answers

in a parking lot 60% of the cars are four-door cars.If there are 75 four-door cars in the parking lot how many cars are in the p

Genrish500 [490]

Answer:

there are 125 cars in the parking lot

Step-by-step explanation:

4 0

2 years ago

What is the value of each expression (-3)2

k0ka [10]

First you had to remove parenthesis first.

$-3*2=-6$

Multiply by the numbers.

$3*2=6$

Final answer $\boxed{=-6}$

$6/3=2$

$2*3=6$

$6/2=3$

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

5 0

3 years ago