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STALIN [3.7K]
3 years ago
6

Joan has a credit card that uses the previous balance method. The opening balance of one of her 30-day billing cycles was $6390,

but that was her balance for only the first 3 days of the billing cycle, because she then paid off her entire balance and didn't make any new purchases. If her credit card's APR is 17%, which of these expressions could be used to calculate the amount Joan was charged in interest for the billing cycle?
Mathematics
2 answers:
Alika [10]3 years ago
8 0

Answer:

(0.17 /365* 30) ($6390)

Step-by-step explanation:

Gekata [30.6K]3 years ago
3 0

It would be something that looks like this:

((6390 * 0.17)/365) x 3


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Indicate a general rule for the nth term of this sequence. -6b, -3b, 0b, 3b, 6b. . .
GREYUIT [131]

Answer:

a(n) = -16b + (n - 1)(3b)

Step-by-step explanation:

First term is -6b.

Common difference is 3b; each new term is equal to the previous one, plus 3b.

Formula for this arithmetic sequence is

a(n) = -16b + (n - 1)(3b)

4 0
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Solve:<br>log2 3√(2)/ 16 = s​
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Answer:

log1/8

Step-by-step explanation:

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The diameter of your bicycle wheel is 34 inches. How far will you move in one turn of your wheel? What is the distance covered i
irga5000 [103]
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6 0
3 years ago
PLS HELP WILL GIVE BRAINLIEST :)
Rus_ich [418]

Step-by-step explanation:

the slope intercept form is

y = ax + b

"a" being the slope, "b" being the y- intercept (which is the y-value when x = 0).

the slope here :

in the table x is always increasing by 2.

and y is always investing by 1.

so, the slope is 1/2

the y-intercept :

we need to find the y-value for x = 0.

but we don't have a data point with x = 0 in the table.

so, we have to extend the structure of the table to the left.

x decreases by 2 (making it 0), and y decreases by 1 (making it -1).

therefore, the y- intercept (b) is -1.

and the line equation is

y = (1/2)x - 1

not sure about "the other method".

there is the point-slope form of the equation :

y - y1 = a(x - x1)

again with "a" begin the slope, and (x1, y1) being a point on the line.

if we get the y-intercept in the table, then this point is (0, y1).

and the equation would be

y - y1 = ax

in our case

y + 1 = (1/2)x

and another method ?

sometimes people write

nx + my = c

in our case starting with the original equation

y = (1/2)x - 1

2y = x - 2

-x + 2y = -2

x - 2y = 2

6 0
2 years ago
F(x) = 5х – 3<br> f(5) =
Sophie [7]

Answer:

f(5)=22

Step-by-step explanation:

since x=5 substitute 5 with x

f(5)=5(5)-3

multiply

f(5)=25-3

subtract

f(5)=22 :)

4 0
3 years ago
Read 2 more answers
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