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3 years ago

Which equation represents a circle with a center at (2, -8) and a radius of 11?

Mathematics

1 answer:

SashulF [63]3 years ago

6 0

Answer:

(X-2)^2 + (y+8)^2=121

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What is the x in 120(2x-2)=240

coldgirl [10]

Answer:

X=2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

120(2x−2)=240

(120)(2x)+(120)(−2)=240(Distribute)

240x+−240=240

240x−240=240

Step 2: Add 240 to both sides.

240x−240+240=240+240

240x=480

Step 3: Divide both sides by 240.

240x /240 = 480 /240

x=2

7 0

3 years ago

Write a in slope-intercept form of the line that passes threw (-9,5) and (-3,3)

Amanda [17]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

$y = mx + b$

Where:

m: It is the slope of the line

b: It is the cut-off point with the y axis

$m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}}$

We have the following points:

$(x_ {1}, y_ {1}): (- 9,5)\\(x_ {2}, y_ {2}): (- 3,3)$

Substituting we have:

$m = \frac {3-5} {- 3 - (- 9)}\\m = \frac {-2} {- 3 + 9}\\m = \frac {-2} {6}\\m = - \frac {1} {3}$

Thus, the equation is of the form:

$y = - \frac {1} {3} x + b$

We substitute one of the points and find "b":

$3 = - \frac {1} {3} (- 3) + b\\3 = 1 + b\\3-1 = b\\b = 2$

Finally, the equation is of the form:

$y = - \frac {1} {3} x + 2$

Answer:

$y = - \frac {1} {3} x + 2$

7 0

3 years ago

Can someone help me answer these?

Romashka [77]

Answer:

The Answer is as below:

Step-by-step explanation:

x y = 3x + x y = 2x - 3 + x

3 12 6

2 8 3

1 4 0

0 0 -3

-1 -4 -6

-2 -8 -9

-3 -12 -12

4 0

3 years ago

6.21 divided by 3<br> i think it equals 2.07 but i need to make sure

sergey [27]

Answer:

It is 2.07

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is the area of a circle with a diameter of 26 inches?

Harrizon [31]

Answer: A≈530.93in²

Step-by-step explanation: I hope this helps!

3 0

4 years ago