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kaheart [24]
3 years ago
9

Carlos chooses 50 movies at random from a list of all his movies to determine the average runtime of the movies in his collectio

n
determine whether each sample is random or a biased sample. Explain.
Mathematics
1 answer:
sveticcg [70]3 years ago
7 0

Answer:

subtract the #

Step-by-step explanation:

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Rectangle ABCD is shown to the right. Point E is located
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C) Figure EBCD is a right trapezoid (having one pair of parallel sides, while the others are slanted and forming a right angle).
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2 years ago
Please help me write quadratic equation given the roots and the leading coefficient
Pie

Answer:

Example Question: f(x) = 2x^2 + 2x - 1


If the leading coefficient is positive, the graph will be opening up (U) if the leading coefficient is negative, the graph will be opening down (n)


Roots are the x-intercepts that help find the axis of symmetry (add the two roots together and divide the result by 2 to get the axis of symmetry)


To find the vertex, simply imput the axis of symmetry into the given equation.


And that’s about it.

Step-by-step explanation:

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Step-by-step explanation:

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