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Sedbober [7]
3 years ago
7

The circle below is centered at the point (8,4) and has a radius of length 4.

Mathematics
1 answer:
Irina-Kira [14]3 years ago
5 0

Answer:

\textbf{The equation of the circle is: $ {(x-8)}^2 + {(y-4)}^2 = 16 $.}\\

Step-by-step explanation:

\textup{The equation of a circle is given by:}\\$$c = \sqrt{{(x-h)}^2 + {(y-k)}^2} = r^2$$\\\textit{where $(h,k)$ represents the centre of the circle and $r$ the radius.}\\\textup{Given the centre of the circle is $(8,4)$ and radius is $4$.}$ \therefore $ We have $$c = \sqrt{{(x-8)}^2 + {(y-4)}^2} = 4^2$$$\implies {(x-8)}^2 + {(y-4)}^2 = 16$

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sineoko [7]

Answer:

The student added the discount instead of subtracting the discount.

They also did not calculate the tax correctly.

Step-by-step explanation:

Original price is 499

Discount = original price * percent off

Discount = 499 * .18

               =89.82

The sale price = original price minus the discount

sale price = 499-89.82

sale price = 409.18

Sales tax = sale price * tax rate

                = 409.18 * 8.875%

                =409.18*.08875

                 =36.314725

Rounding to the nearest cent

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Final cost = sale price + sales tax

                  =409.18+36.31

                   445.49

The student added the discount instead of subtracting the discount.

They also did not calculate the tax correctly.

6 0
3 years ago
2 3 5 9 17 _ what is the next number in the sequence
nordsb [41]
The next number is 33
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3 years ago
A baby elephant weighs 200 pounds at birth. Seven years later, the elephant's weight is 3,000 pounds.
almond37 [142]
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4 0
3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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Answer:

The number of students in the school band = 70

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28

Therefore, there are 28 band members that are sixth graders.


4 0
3 years ago
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