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IceJOKER [234]
3 years ago
6

Anna bought a DVR which cost $299. She paid a finance charge of $58 and paid for 12 months. What is her approximate APR?

Mathematics
2 answers:
Andrej [43]3 years ago
8 0
(58÷12)÷299)*100==1.61%
Ierofanga [76]3 years ago
8 0

Answer:

19.4%

Step-by-step explanation:

58/12*12= 58

58/299= 0.1939

move the decimal to the right 2 places to get final answer

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7 0
3 years ago
Which equation represents the equation of the parabola with focus (-3 3) and directrix y=7?
Artemon [7]

Answer:

The equation y=\frac{-x^2-6x+31}{8} represents the equation of the parabola with focus (-3, 3) and directrix y = 7.

Step-by-step explanation:

To find the equation of the parabola with focus (-3, 3) and directrix y = 7. We start by assuming a general point on the parabola (x, y).

Using the distance formula d = \sqrt {\left( {x_1 - x_2 } \right)^2 + \left( {y_1 - y_2 } \right)^2 }, we find that the distance between (x, y) is

\sqrt{(x+3)^2+(y-3)^2}

and the distance between (x, y) and the directrix y = 7 is

\sqrt{(y-7)^2}.

On the parabola, these distances are equal so, we solve for y:

\sqrt{(x+3)^2+(y-3)^2}=\sqrt{(y-7)^2}\\\\\left(\sqrt{\left(x+3\right)^2+\left(y-3\right)^2}\right)^2=\left(\sqrt{\left(y-7\right)^2}\right)^2\\\\x^2+6x+y^2+18-6y=\left(y-7\right)^2\\\\x^2+6x+y^2+18-6y=y^2-14y+49\\\\y=\frac{-x^2-6x+31}{8}

6 0
4 years ago
A rumor that was told initially to three people is spreading at a rate of 5% each week. The following function represents the we
mylen [45]

Answer:

f(x) = 3(1.007)x; spreads at a rate of approximately 0.07% daily

Step-by-step explanation:

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7 0
3 years ago
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Is -4 a solution for the equation 5x (2-4)=2(5x -4)?
yarga [219]

Answer:

no it is 0.4

Step-by-step explanation:

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8 0
3 years ago
Write and solve an equation to find the number n.
azamat

Answer:

2.5n=10 n = 4

Step-by-step explanation:

sum is addition

twice n and a half is 2.5n

equals 10

10 divided by 2.5=4

7 0
3 years ago
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