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alukav5142 [94]
2 years ago
6

Determine the equation of the circle graphed below.

Mathematics
1 answer:
Bond [772]2 years ago
8 0

Answer:

(x+7)^2+(y-2)^2=4

Step-by-step explanation:

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

Since the center is (h,k)\rightarrow(-7,2), and the radius is r=2, then the equation of the circle graphed is (x-(-7))^2+(y-2)^2=2^2=(x+7)^2+(y-2)^2=4.

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HALP me please, mathematics
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3 years ago
The ages of five friends are 25, 36, 33, 36 and 30 how many of friends are older than the average (arithmetic mean) age?
Murrr4er [49]

Answer:

3 friends are older than the average.

Step-by-step explanation:

First find the mean. The mean can be found adding all the numbers in the set together and dividing by the amount of numbers in the giving set:

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~

4 0
1 year ago
Solve for the missing angle. Round to the nearest hundredth.<br> 18<br> ?<br> 13<br> ? =<br> degrees
skad [1K]

Answer:

\theta \:=43.76^{\circ \:\:}

Step-by-step explanation:

The right triangle has the hypotenuse = 18

Let 'Ф' be the missing angle

we know that

cos Ф = adjacent/hypotenuse

Here,

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so

cos Ф = adjacent/hypotenuse

cos\:\theta \:=\frac{13}{18}

\theta \:=\cos ^{-1}\left(\frac{13}{18}\right)

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Therefore, the missing angle is:

\theta \:=43.76^{\circ \:\:}

8 0
3 years ago
State the restrictions of 1-x-y/x+y
Ronch [10]

The restriction of the expression as given in the task content is; x +y = 0.

<h3>What is the restriction of the expression?</h3>

The expression in the task content is rational;

(1-x-y)/(x+y).

On this note, the restriction to the expression is the values which render the denominator of the expression equal to 0 and consequently the expression value to undefined.

Hence, the restriction is; x+y = 0.

Read more on undefined rational function;

brainly.com/question/8984184

#SPJ1

7 0
1 year ago
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