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vampirchik [111]
3 years ago
13

Sammi wanted to create a dot plot based on this tally chart.

Mathematics
2 answers:
Phantasy [73]3 years ago
8 0

Answer:

Option B:

Sammi made a mistake in Step 2 because he chose a title without knowing if the table represents the number of hours read per week.

Step-by-step explanation:

A dot plot type of a problem.

Sammi forgot to put the corresponding title for the dots such as whether those were the correspondents name or a universal label such as college students. This will make the graph have a mistake in some places. Sammi should include the label that corresponds or represents the dot.

KATRIN_1 [288]3 years ago
3 0

Answer:

It's B

Step-by-step explanation:

I got it right

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1.This circle is centered at the origin and contains the points two units away. Write the equation for this circle.
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Answer:

1. The location of the center of the given circle = The origin (0, 0)

The given points on the circumference of the circle = (1, √3), and (0, -2)

The general form of the equation of a circle, is presented as follows

(x - h)² + (y - k)² = r²

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The radius of the given equation is the distance from the center (0, 0) to either the point (0, -2) or (1, √3)

The distance from the center (0, 0) to the point (0, -2), which are points on the same ordinate,  r = y₂ - y₁

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The equation of the circle is therefore;

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(0 - 0)² + ((-2) - 0)² = (-2)² = 4 = 2²

Therefore, the points shown on the circle (1, √3), and (0, -2) satisfy the equation of the circle, x² + y² = 2² and are solutions to the equation of the circle

Step-by-step explanation:

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