Participants in a survey were asked the number of hours of television they watch each week. The dot plot shows the distribution of their responses. After the data was recorded in the dot plot, another response was found for a participant who watches 30 hours of television each week. How will this additional data point affect the mean number of hours of television watched each week? A. The effect on the mean number of hours cannot be determined. B. The mean number of hours will decrease. C. The mean number of hours will remain the same. D. The mean number of hours will increase.

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

happy to

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x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.