4 years ago

A teacher would like to study how students' seating locations in the classroom affects their test scores. If he were

1 answer:

7 0

Answer:

B, C, D, maybe A

Step-by-step explanation:

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Reika [66]

The equation of ellipse:

$\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1$

The formula of c (the distance to the foci)

$c^2=a^2-b^2\qquad|\text{add}\ b^2\ \text{to the both sides}\\\\c^2+b^2=a^2$

<h3>Answer: c² + b² = a²</h3>

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3 years ago

3241004551 [841]

The Correct Answer Would Be 4.00

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3 years ago

Dmitriy789 [7]

Answer:

405

Step-by-step explanation:

From the given information, we have 900 respondent.

The poll predicts that the incumbent will be reelected with 55 percent of the votes.

This implies that (100-55=45) percent of the respondents would not vote for the current governor or indicated that they were undecided.

Out of 900 respondents, we have

$\frac{45}{100} \times 900$

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would not vote for the current governor or indicated that they were undecided.

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3 years ago

Aleonysh [2.5K]

I think the answer is C.

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3 years ago

skad [1K]

Answer: 5x+6 = 6

Step-by-step explanation:

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3 years ago