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3 years ago

3 cans store 9 tennis balls. Write an equation to represent the realationship

Mathematics

2 answers:

jeka943 years ago

5 0

Answer:

9 tennis balls divided into 3 cans = 3 in each can. I don't know if this helps but I hope you get an A on what ever assignment you're on.

Step-by-step explanation:

LUCKY_DIMON [66]3 years ago

4 0

Answer:

y = 3x.

Step-by-step explanation:

To find out the equation, put it this way. For every 3 cans, there are 9 tennis balls. So if you put it as 9/3, that means that for every can, there are 3 tennis balls. y = 3x. The x is the variable for how many cans there are. If there are 5 cans, the five would multiply by 3 and then thats your answer.

I hope I helped.

Brainliest would be appreciated.

Have a nice day.

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4 years ago

The diameter of a circle has length 12. The center is at*(-5, 2). Give the equation

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Answer:

Equation of the circle is : $x^{2} + 10x + y^{2} -4y -7 =0$

Step-by-step explanation:

Let us consider the image attached in the answer area.

The center O has the co-ordinates i.e. (-5,2) and the diameter given is 12 units.

We know that radius is half of diameter.

$\text{Radius = }\dfrac{\text{Diameter}}{2}$

$\text{Radius = }\dfrac{12}{2}\\\Rightarrow \text{Radius = 6units}$

The equation for circle given the center and radius, can be represented as:

$(x-a)^{2}+ (y-b)^{2} = r^{2}$

Where (a,b) is the co-ordinate of center and r is the radius.

Let us consider the following formula:

$(p+q)^2 = p^{2}+ q^{2} +2pq\\(p-q)^2 = p^{2}+ q^{2} -2pq$

$(x-(-5))^{2}+ (y-2)^{2} = 6^{2}\\\Rightarrow (x+5)^{2}+ (y-2)^{2} = 36\\\Rightarrow x^{2} + 25 + 10x +y^{2} + 4-4y=36\\\Rightarrow x^{2} + 10x +y^{2} -4y-7=0$

Hence, Equation of the circle is : $x^{2} + 10x + y^{2} -4y -7 =0$

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3 years ago

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4 0

3 years ago

Read 2 more answers

Please help!! Will mark brainliest

Over [174]

Y would equal to -5. hope this helps

8 0

3 years ago