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Rzqust [24]
3 years ago
13

Which equation below describes a circle. What are the coordinates of the center of the circle

Mathematics
1 answer:
Eddi Din [679]3 years ago
8 0
The equation for a circle is
(x - h)^2 + (y - k)^2 = r^2 where r is the radius and the center is (h,k). I don’t see any options for answers though so I can’t help with the last part.
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An ice cream truck was parked near a beach, and some kids ran to it and formed a line. Then, more kids joined the line by fillin
Irina-Kira [14]

Answer:

7

Step-by-step explanation:

So, we know that this process happened 3 times in total. The original amount of kids we can call x, so the next wave filled in the gaps inbetween, so we call that amount x-1, the next wave would be (x+x-1)-1 or 2x-2, and the last would be 4x-4

adding this all up we get 8x-7=49, so 8x = 56 or x = 7

3 0
2 years ago
Which graph represents the solution to the given system y=3x+2 and y=3x-1
Bogdan [553]
There wouldn't be a solution: because both equations have the same slope of 3, they would be parallel to each other. The best graph to pick would be the one with two positive steep slopes that are 3 up every one to the right.
3 0
3 years ago
Read 2 more answers
ROUND 12.516 TO THE FATHES POSSIBLE PLACE TO THE RIGHT
FrozenT [24]

Answer:

12.52

Step-by-step explanation:

7 0
3 years ago
A store manager is looking at past jewelry sales to determine what sizes of rings to keep in stock. The list shows the ring size
scoundrel [369]

Using it's concept, it is found that the variance of the data-set is of 1.15.

The mean of a data-set is the <u>sum of all observations divided by the number of observations,</u> hence:

E(X) = \frac{9 + 7 + 6.5 + 7.5 + 7 + 8 + 5 + 6 + 7.5 + 8}{10} = 7.15

The variance is the <u>sum of the differences square between each value and the mean, divided by the number of values</u>. Hence:

V(X) = \frac{1}{10}[(9 - 7.15)^2 + (7 - 7.15)^2 + (6.5 - 7.15)^2 + (7.5 - 7.15)^2 + (7 - 7.15)^2 + (8 - 7.15)^2 + (5 - 7.15)^2 + (6 - 7.15)^2 + (7.5 - 7.15)^2 + (8 - 7.15)^2] = 1.15

A similar problem is given at brainly.com/question/1527299

3 0
2 years ago
A pair of kids and a pair of adults decided to compete in a three-legged race. The kids got to start 4 yards ahead of the adults
andrew-mc [135]
Use the y=mx+b Format
4 0
3 years ago
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