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3 years ago

Find the radius of the circle if the center is at (1,2) and the point (-5,-6) lies on the circle

Mathematics

2 answers:

Tju [1.3M]3 years ago

5 0

Answer:

sqrt{52}=r

Step-by-step explanation:

The equation of a circle has the following form:

where (h,k) is the center of a circle with radius r.

Our equation is:

We will find the radius by inputting the point (-5,6) which lies on the circle and solving for r.

Read more on Brainly.com - brainly.com/question/11831904#readmore

padilas [110]3 years ago

4 0

Answer:

sqrt{52}=r

Step-by-step explanation:

The equation of a circle has the following form:

where (h,k) is the center of a circle with radius r.

Our equation is:

We will find the radius by inputting the point (-5,6) which lies on the circle and solving for r.

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The ratio of Monarch butterflies to Queen butterflies at a butterfly farm was 5:2. If there are no additional butterflies at the

andrew-mc [135]

So we know if there are 5 groups/dozens of Monarch butterflies, there are 2 groups/dozens of Queen butterflies. In other words, there are 5 Monarch butterflies for every 2 Queen butterflies.

Then we can turn that into an equation.

$5x = m \\ \\ 2x =q \\ \\ 5x + 2x = m + q$
From the last equation we wrote we can see that the total number of butterflies in the farm is $7x$ .

When we compare the Queen butterflies to total butterflies, we get $\frac{q}{m + q} = \frac{2x}{5x + 2x} = \frac{2x}{7x} = \frac{2}{7}$

The ratio of Queen butterflies to total butterflies is 2:7.

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3 years ago

The terminal arm of an angle drawn in standard position rotates in a positive direction through two quadrants of the coordinate

Aneli [31]

There are 4 quadrants and each quadrant is has a measure of 90° angle.

Because the direction is positive, it means that the arm is going from 1st quadrant to 2nd quadrant.

90° + 90° = 180°

Because there is an additional rotation of 25°, the arm is now in the 3rd quadrant.

180° + 25° = 205°

The measure of the angle is 205°

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3 years ago

The volume of a cube is 1,000cm. What is the length of an edge

Burka [1]

The length of the edge would be 5cm

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3 years ago

24 % 89.5 % 10.5 % 76 %

Leno4ka [110]

Answer:

Step-by-step explanation:

I believe the answer is A. Good luck on your test!

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3 years ago

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How many ways are there to assign 8 visiting different studetns to one Stony Brook summer course, chossing from Calculus I, Line

Dmitry_Shevchenko [17]

Answer:

56 ways

Step-by-step explanation:

Number of ways is given by n combination r (n!/(n - r)!r!)

n = total number of students = 8, r = the number of summer courses = 3

Number of ways = 8 combination 3 = 8!/(8-3)!3! = 8!/5!3! = 8×7×6×5!/5!×6 = 8×7 = 56 ways

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3 years ago