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Dvinal [7]
3 years ago
14

Using the unpaid balance​ method, find the current​ month's finance charge on a credit card account having the following transac

tions.
   Last​ month's balance: ​$845
   Last​ payment: ​$180
   Annual Interest​ rate: ​18%
  ​ Purchases:  ​$389
  ​ Returns: ​$380

The finance charge is ​$ __________​
Mathematics
1 answer:
Reptile [31]3 years ago
5 0

Answer:

33333333330000000000

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The endpoints of the longest chord on a circle are (4, 5.5) and (4, 10.5).
In-s [12.5K]
The longest chord on the circle is the diameter, and the center of the circle is the midpoint of the diameter.

Use the midpoint formula to find the center
((x1 +x2)/2 , (y1+y2)/2).. Just substitute them for the solution


the x-coordinates are the same, so you can just subtract the y-coordinates to find the radius. 
10.5 - 8 = 2.5

The equation of the circle is (x - h)² + (y - k)² = r² where r is the radius and (h, k) is the center.

(x - 4)² + (y - 8)² = 6.25
5 0
2 years ago
Read 2 more answers
Write an equation of the line that passes through each pair of points. (5,-4) and (-3,0)
PtichkaEL [24]

Answer:

y=1/2x+3/2

Step-by-step explanation:

use the slope formula m=y2-y1/x2-x1 and get the slope. then plug in one set of points for y and x for (b)

6 0
2 years ago
Based on the graph, how many students are represented? A) 100 students B) less than 150 C) less than 200 D) less than 300
kondor19780726 [428]

Answer:

D

Step-by-step explanation:

8 0
2 years ago
The ocean floor is growing by 8 centimeters every five years. What is the speed of the ocean floor's growth?
Karolina [17]
1.6 cm/year
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5 0
3 years ago
Given here are a set of sample data: 12.0, 18.3, 29.6, 14.3, and 27.8. the sample standard deviation for this data is equal to _
disa [49]
The answer is 7.9306

Using the formula in the attached:
Where: xi = sample value; μ = sample mean; n = sample size

1.) Calculate the mean first:
μ = 12.0 + 18.3 + 29.6 + 14.3 + 27.8 / 5
   = 102 / 5
μ = 20.4

2.) Using the mean, calculate (xi - μ)² for each value:
(12.0 - 20.4)² = 70.56
(18.3 - 20.4)² = 4.41
(29.6 - 20.4)² = 84.64
(14.3 - 20.4)² = 37.21
(27.8 - 20.4)² = 54.76

3.) Sum the squared differences and divide by n - 1.
μ = 70.56 + 4.41 + 84.64 + 37.21 + 54.76
   = 251.58 / 5-1
μ = 62.895 (this is now called sample variance)

4.) Get the square root of the sample variance:
 √62.895 = 7.9306

3 0
3 years ago
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