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Ilya [14]
3 years ago
6

Write an equation of the circle given its center and radius

Mathematics
2 answers:
Vinvika [58]3 years ago
8 0

Answer:

x²+(y+1)²  = 36

Step-by-step explanation:

We have given that

Center  = (0,-1)  ; Radius = 6

We have to find the equation of circle.

The equation of circle is :

(x-h)²+(y-k)²  = r² where (h,k) is the center of circle and r is the radius.

(h,k) =(0,-1) and r  = 6

Putting values in above equation, we have

(x-0)²+(y-(-1))² = (6)²

(x)²+(y+1)² = 36

x²+(y+1)²  = 36 which is equation of circle.

Genrish500 [490]3 years ago
5 0

Answer:

y =x² + y² + 2y - 35

Step-by-step explanation:

The equation of a circle is given by the formula;

(x-a)²+(x-b)² = r²

Where;  (a, b) is the center of the circle and r is the radius

Therefore;

(x-0)² +(y+1) = 6²

x²+ y² +2y + 1= 36

x² + y² + 2y - 35 = 0

Therefore; The equation of the circle is y = x² + y² + 2y - 35

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konstantin123 [22]
To figure this out you can do 7.2/8.2, because you are trying to figure out how much of the total was used, and percentages would not be more than 100%. Doing this you would get ~.878. To convert this to a percent, you would just multiply it by 100, which would give you 87.8%. The question states to round to the nearest whole percent, leaving you with 88%. This means that 88% of the revenue was spent.

Hope that helped, don't be shy to comment on this if you have any questions about my explanation :)
8 0
2 years ago
Simplify: 2(8 - 2x4).
pentagon [3]

Answer:

<em>2(8-8x)</em>

Step-by-step explanation:

Distrubutive Property:

   ↓

A(B+C)=AB+AC

<em>Multiply by the numbers from left to right.</em>

4*2=8

<em>Therefore the correct answer is </em><em>2(8-8x).</em>

<em />

7 0
3 years ago
Read 2 more answers
in a company 95% of the workers are women if 220 people work for the company who aren't women how many workers are there in all?
dybincka [34]
So 5% of workers are not women, and 220 workers are not women, so 220 is 5% of the total workers. 220 is 5% of 4400, so there are 4400 workers in all.
7 0
2 years ago
What is 14 divided by 7/8
Sliva [168]

Answer:

16

Step-by-step explanation:

You have: 14 / (7/8)

To divide by fractions, all you have to do is take the reciprocal of the second number, aka flip it

so, if you do that, you get 14 * 8/7

14*8=112, and 112/7 is 16

4 0
3 years ago
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Janelle has a 12-ounce can of soft drink. She drinks 3/5 of the soft drink.
guapka [62]

Answer:

Answer:  4.8 ounces

Step-by-step explanation:

In total there are 12 ounces. If she drinks 3/5 of 12 you multiply 3/5 by 12.

3/5 * 12 would be equal to 3/5 * 12/1 which is 36/5. You have found how much she has drank. 36/5 is also equal to 7.2 ounces. Subtract 7.2 form 12 and you get 4.8 ounces.

Hope this helped!

7 0
3 years ago
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