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jenyasd209 [6]
2 years ago
13

A popular art teacher at a school asks a sample of students if they would be interested in taking an art class next year. Of the

30 students he ​asks, 85​% are in one of his art classes this year. Only 15​% of the students in the school are in one of his art classes this year. Will this sample be​ biased? *
​Yes, because students who are in one of his art classes this year will be more likely to take one of his art classes next year.
​No, because students who are in one of his art classes this year will be less likely to take one of his art classes next year.
​Yes, because students who are in one of his art classes this year will be less likely to take one of his art classes next year.
​No, because students who are in one of his art classes this year will be more likely to take one of his art classes next year.
Mathematics
1 answer:
BabaBlast [244]2 years ago
7 0

Answer:

​Yes, because students who are in one of his art classes this year will be more likely to take one of his art classes next year.

Step-by-step explanation:

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Step-by-step explanation:

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!!!!NEED HELP ASAP!!!! NO LINKS OR REPORT
Pie

Hi there!

\large\boxed{2, -9}

We can create an equation for the line PR using the given coordinates. Use the following formula for the slope:

m = \frac{y_2-y_1}{x_2-x_1}

Plug in the coordinates for P and R:

m = \frac{-5-(-1)}{-1-(-4)} = -\frac{4}{3}

Find the equation by using point-slope form:

y - y1 = m(x - x1)

Plug in a coordinate and the slope:

y - (-5) = -4/3(x - ( - 1))

Simplify:

y + 5 = -4/3(x + 1)

To find the y-coordinate if x = 2, plug in the x value:

y + 5 = -4/3(2 + 1)

y + 5 = -4/3(3)

y + 5 = -4

y = -9

Thus, the coordinate is (2, -9)

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3 years ago
Write a sine function that has a midline of 2, an amplitude of 4 and a period of 11.
svetoff [14.1K]

Answer:

y = 4 sin(2π/11 x) + 2

Step-by-step explanation:

y = A sin(2π/T x + B) + C

where A is the amplitude,

T is the period,

B is the phase shift,

and C is the midline.

A = 4, T = 11, and C = 2.  We'll assume B = 0.

y = 4 sin(2π/11 x) + 2

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Step-by-step explanation:

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