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kaheart [24]
3 years ago
8

A circle has its center at (-1, 2) and a radius of 3 units. What is the equation of the circle?

Mathematics
1 answer:
lilavasa [31]3 years ago
5 0
So the question or problem ask to find the equation of a circle which has a center of (-1,2) and a radius of 3 units. To get the equation of the circle, you must first follow the formula which is (x-h)^2 +(y-k)^2 = r^2. So the answer would be letter D. (x+1)2+(y-2)2=9. I hope you are satisfied with my answer  
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Write the expression in WORDS!<br><br> 5x + 3
Svet_ta [14]
The expression 5x+3 would be three more than five times a number! More than in this case would be addition - so if you get the same problem with subtraction you just change more to less!
Basically what it's tell you is that if x stood for 2 in this case 5*2 = 10 since it's 3 MORE than 5 times a number (x is in place of a number), you're adding 3 to 10 and that gives you 13!
I hope I simplified it a little more and you understand!
Good luck, rockstar! c: I hope this helped!
8 0
3 years ago
Please and thank you help me
Art [367]

9514 1404 393

Answer:

  • your graph is correct
  • y = 3x -5

Step-by-step explanation:

The graph shows you the line has a "rise" of 1-(-2) = 3 for a "run" of 2-1 = 1, so the slope is 3/1 = 3.

The y-intercept is seen to be -5, so the equation is ...

  y = mx +b . . . . . where m is the slope (3) and b is the y-intercept (-5)

  y = 3x -5

__

The points and line are plotted correctly, so you already have your graph.

4 0
3 years ago
Which expression is equivalent to 4+2(1+3x)
Leviafan [203]

Answer:

I'm glad you asked!

Step-by-step explanation:

OK,let's simplify the number for a equivalent expression.

4+2(1+3x)

Distribute:

=4+(2)(1)+(2)(3x)

= 4+2+6x

Combine Like Terms:

=4+2+6x

=(6x)+(4+2)

=6x+6

The Final Answer is : 6x+6

8 0
3 years ago
2. Jason can put his money in a savings account and earn about 12 cents in interest this month, or he can
julsineya [31]

Answer:

12 cents

Step-by-step explanation:

opportunity cost of the next best option forgone when one alternative is chosen over other alternatives

by loaning matt the money he forgoes the opportunity to earn 12 cents in interest. this is his opportunity cost

8 0
2 years ago
-5/6 - 17/18 - (-2/9)
Sunny_sXe [5.5K]

First, let's fine the decimal of each fraction.


-5 Divided By 6 = -0.83333333333

17 Divided By 18 = 0.94444444444

-2 Divided By 9 = -0.22222222222



-5/6 - 17/18 - (-2/9) = -1.55555555556


8 0
3 years ago
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