Center of given circle is (h,k)= (5,-3)
Option A is correct.
Step-by-step explanation:
We need to find the coordinates of the center of the given circle: 
The standard equation of circle is:
Where (h,k) is the center of circle and r is the radius of circle.
Now comparing the given equation with standard equation to find h and k
Making it equivalent to standard equation:
By comparing, the value of h is 5 and k is -3
Hence center of given circle is (h,k)= (5,-3)
Option A is correct.
Keywords: Center of circle
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(15 miles / 2 minutes) times (60 minutes / 1 hour) = 15 x 60 / 2 = 450 miles per hour.
Answer:
Option D is correct.
Step-by-step explanation:
Previous Balance Method uses the "previous" balance, that is, the balance from the month before.
Here, it is given that the opening balance of one of her 30-day billing cycles was $2990. This means this was previous month amount or previous balance.
So, Annette will be charged the interest on $2990.
Hence, option D is correct.
Answer:
30
Step-by-step explanation:
Set up the proportion y=kx k equals y over x
y=2x
y=30 if x is 15
Answer:
725.71 cm
Step-by-step explanation:
Using the attached diagram :
Diameter of inner circle = 26
Radius of inner circle = 26/2 = 13
Radius of entire circle = 13 + 7 = 20
The Area of a circle = πr²
Area of inner circle = π13² = 169π
Area of entire circle = π20² = 400π
Area of shaded portion :
Area of entire circle - Area of inner circle
400π - 169π = 231π = 725.71 cm
