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irakobra [83]
3 years ago
7

The center of a sphere is

Mathematics
1 answer:
larisa86 [58]3 years ago
8 0

Answer:

Center of the Sphere is a fixed point in its interior which is equidistant from each point on sphere. Option A is not right because it says center is line segment. Option B is right as it says it is fixed and equidistant from point of surface.

Step-by-step explanation:

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Emilio has to run 7 1/2 miles a week to train for the football team. If he runs 1 1/2 miles everyday , how many days will it tak
PilotLPTM [1.2K]

Answer:

5 days

Step-by-step explanation:

1/2 + 1/2 = 3 (2 days) times by 2 makes it 4 days and finally 5th day 7 1/2

4 0
3 years ago
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During a tournament, a batting cage can be used for $5.00 for 50 pitches. If all 192 players use the cage one time, how much mon
Fynjy0 [20]
First, we have to find the rate:
500/50
100/10
10/1
10 cents a pitch:
129 * 10 = 1290
It will cost $12.90
7 0
2 years ago
Systems of Linear Equations What are the different ways to solve a system of linear equations? When do you get an answer to a sy
Mrac [35]

Answer:

Different ways to solve a system of linear equations:

  • isolate one variable in one equation and replace it in the other equation
  • multiply/divide one equation by a constant and then add/subtract it to the other one, so that only one variable remains
  • graph the equation and look at the intersection point

If you graph the system:

  • there is only one solution if the lines intersects at only one point
  • there is no solution if the lines don't intersect each other (they are parallel)
  • there are infinitely many solutions if the lines overlap each other (they are the same equation multiplied by some constant)

Step-by-step explanation:

1st system

y = -x – 7  

y = 4/3 x – 7  

solution: x= 0, y = 7

2nd system

y = -3x – 5  

y = x + 3  

solution: x = -2, y = 1

3rd system

y = -2x + 5  

y = 1/3 x – 2

solution:  x = 3, y = -1

4th system

3x + 2y = 2  

x + 2y = -2  

solution: x = 2, y = -2

5th system

x + 3y = -9  

2x – y = -4

solution:  x = -3, y = -2

6th system

x – 2y = 2

-x + 4y = -8

solution:  x = -4, y = -3

7th system

5x + y = -2  

x + y = 2

solution: x = -1, y = -3

3 0
3 years ago
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What is the coefficient of (-2/3x)(3y)(-2x)
dolphi86 [110]

Answer:

The coefficient is equal to  4

Step-by-step explanation:

we have

(-\frac{2}{3}x)(3y)(-2x)

we know that

The coefficient is equal to

(-\frac{2}{3})(3)(-2)=4

so

(-\frac{2}{3}x)(3y)(-2x)=4x^{2}y

4 0
3 years ago
How do I do this. I don’t understand how to put the numbers in that formula or whatever the heck it is.
OleMash [197]

Answer:

5

Step-by-step explanation:

8 0
2 years ago
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