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svet-max [94.6K]
3 years ago
14

Susan wants to conduct a survey to find how much time the students of her school spent eating in a local cafeteria. Which of the

following is an appropriate statistical question for this survey?
(A) Who eats at the cafeteria on weekends?
(B) How many students eat in the cafeteria on Mondays?
(C) How many students eat in the cafeteria once a week?
(D)How many hours during the week do you eat in the cafeteria?
Mathematics
1 answer:
jekas [21]3 years ago
7 0

Answer:

(D)How many hours during the week do you eat in the cafeteria?

Step-by-step explanation:

This question directly gives her the information she needs. She wants to find out how much time students spend eating in the cafeteria and that is exactly what this question is asking.

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The school is 3.2 blocks from someone’s house. how many blocks does the person walk to go to and from school?
DENIUS [597]

The answer is: " 6.4 blocks " .

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3.2 blocks (one way), PLUS: 3.2 blocks the other way:

3.2 + 3.2 = 6.4 blocks .

or: (3.2) * 2 = 6.4 blocks .

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The answer is: " 6.4 blocks " .

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4 0
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Write an equation of the perpendicular bisector of the segment with end points M(1,5) and N(7,-1)
vitfil [10]
The perpendicular bisector of the segment passes through the midpoint of this segment. Thus, we will initially find the midpoint P:

P=\dfrac{(1,5)+(7,-1)}{2}=\dfrac{(8,4)}{2}=(4,2)

Now, we will calculate the slope of the segment support line (r). After this, we will use the fact that the perpendicular bisector (p) is perpendicular to r:

m_r=\dfrac{\Delta y}{\Delta x}=\dfrac{5-(-1)}{1-7}=\dfrac{6}{-6}\iff m_r=-1


p\perp r\Longrightarrow m_p\cdot m_r=-1\Longrightarrow m_p\cdot(-1)=-1\iff m_p=1

We can calculate the equation of p by using its slope and its point P:

y-y_P=m_p(x-x_P)\\\\
y-2=1\cdot(x-4)\\\\
y-2=x-4\\\\
\boxed{p:~~y=x-2}
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Gorge bought 30 packs of football cards.
mamaluj [8]
2 packs is the answer
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a baseball diamond is square with each base 90 feet apart, Andy is starting on first base while his teammate Logan is standing b
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Answer:

Logan is 45 feet from second base.

Step-by-step explanation:

If you divide 90 by 2 because is 1/2 away then it would be 45

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28 - 7 = 21
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