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zmey [24]
3 years ago
11

The circle below is centered at the point (3,1) and has a radius of length 2. What is its equation?

Mathematics
2 answers:
Orlov [11]3 years ago
6 0

Answer:

The correct option is B.

Step-by-step explanation:

The standard form of the circle is

(x-h)^2+(y-k)^2=r^2

Where, (h,k) is the center of the circle and r is the radius of the circle.

It is given that the center of the circle is (3,1) and the radius of the circle is 2.

The equation of the circle is

(x-3)^2+(y-1)^2=2^2

This equation is represents by option B, therefore option B is correct.

Paul [167]3 years ago
3 0
It is letter B.
Equation of a circle is in the form:
(x-h)^2 + (y-k)^2 = r^2
where (h,k) is the center of the circle with radius r.
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John has decided to prepare an old field for his son's new horse. the length of the field is 10 meters less than 4 times its wid
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Answer: The total money invested in the field will be $1,623.80

Step-by-step explanation:

step 1

Find the dimensions of the field

Let

x -----> the length of the field

y -----> the width of the field

p=2(x+y)

p(4.80)=1,584

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we know that

The perimeter of the field is equal to

so

330=2(x+y)----> equation A

x=4y-10 ------> equation B

substitute equation B in equation A and solve for y

330=2(4y-10+y)

165=(5y-10)

5y=165+10

y+35

Find the value of x

x=4(35)-10+130

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step 2

Find the area of the field

The area of the field is

A=xy

substitute

A=(130)(35)=4,550m2

step 3

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Divide the area by 460

4,550/460=9.89 bags

Round up to the nearest whole number

9.89 bags=10 bags

step 4

Find the cost of the seed

(10 )(3.98)=$19.8

step 5

Find the total money invested in the field

1,584+$39.8=$1,623.80

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Step-by-step explanation:

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Please help me find the volume
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