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Roman55 [17]
3 years ago
6

Emmet has $90 in a savings account that earns 10% interest, compounded annually.

Mathematics
1 answer:
STatiana [176]3 years ago
3 0

Answer:

108.90

Step-by-step explanation:

You start with finding  

10

%

of  

90

.

$

90

⋅

.1

=

$

9

You add the money and the interest to get  

$

99

for the first year. However, the next year is different. It's compound interest, so you have to multiply  

10

%

by  

$

99

.

$

99

⋅

.1

=

$

9.90

$

99

+

$ 9.90

= $  108.90   The total would then be  $

108.90  i think lol

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Which equations represent the line that is perpendicular to the line 5x − 2y = −6 and passes through the point (5, −4)? Select t
nignag [31]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

On the other hand we have that if two lines are perpendicular, then the product of their slopes is -1. So:

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The given line is:

5x-2y = -6\\-2y = -6-5x\\2y = 5x + 6\\y = \frac {5} {2} x + \frac {6} {2}\\y = \frac {5} {2} x + 3

So we have:

m_ {1} = \frac {5} {2}

We find m_ {2}:m_ {2} = \frac {-1} {\frac {5} {2}}\\m = - \frac {2} {5}

So, a line perpendicular to the one given is of the form:

y = - \frac {2} {5} x + b

We substitute the given point to find "b":

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y - (- 4) = - \frac {2} {5} (x-5)\\y + 4 = - \frac {2} {5} (x-5)

ANswer:

y = - \frac {2} {5} x-2\\y + 4 = - \frac {2} {5} (x-5)

3 0
3 years ago
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Last One Please Help
tigry1 [53]

Answer: A. 3/5

Step-by-step explanation:

Count all the add numbers in 1-10 then add the 4 and you get

6/10

Simply and you get 3/5

7 0
3 years ago
Please help. Please explain. Please get it correct!
dangina [55]

Answer:5/6

Step-by-step explanation:

5 0
2 years ago
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