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irina [24]
3 years ago
8

A seventh grade teacher asks her students a survey question. Which questions are appropriate for the teacher to ask her populati

on? Choose all that apply.
What type of car do you drive?
How many hours of sleep do you get per night?
On average, how long does it take you to complete your homework?
What time do you leave for school in the morning?
Who did you vote for in the last presidential election?
Mathematics
2 answers:
Lera25 [3.4K]3 years ago
8 0
The middle 3 are appropriate because the other two they are two young to do

hope it helps
kaheart [24]3 years ago
3 0

Answer:

The questions that are appropriate for the teacher to ask her population are:

  • How many hours of sleep do you get per night?
  • On average, how long does it take you to complete your homework?
  • What time do you leave for school in the morning?

Step-by-step explanation:

The survey is conducted among the seventh grade students so the valid question their teacher would have asked them is:

  • How many hours of sleep do you get per night?
  • On average, how long does it take you to complete your homework?
  • What time do you leave for school in the morning?

while the other two questions are invalid as it the students are young and they are not legal to vote.

also it is not necessary that they would arrive to school by car.


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If two events are complementary, then we know that: Multiple Choice the sum of their probabilities is one. the joint probability
notka56 [123]

Answer:

The joint probability of the two events is one.

Step-by-step explanation:

Complementary events:

If two events are complimentary, these three following things are true:

They are dependent.

The intersection of them is zero.

The joint probability of the two events is one.

The last one is the correct choice.

3 0
3 years ago
How can you determine congurence and similarity
leonid [27]
Here you go :) AA (Angle-Angle) If two pairs of corresponding angles in a pair of triangles are congruent, then the triangles are similar. We know this because if two angle pairs are the same, then the third pair must also be equal. When the three angle pairs are all equal, the three pairs of sides must also be in proportion.
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3 years ago
Divide $800 between kofi and kweku so that kofi gets three times what kweku gets
AfilCa [17]

Answer:

600 and 200

Step-by-step explanation:

kofi  : kweku     is   3 :1

   so Kofi gets   3 out of ( 3 +1)  = 3/4 of 800  = 3/4 * 800 = 600

         kweku get s the rest   800- 600 = 200  

6 0
1 year ago
What is the correct ratio of each rational root of the polynomial Function
zimovet [89]

Answer:

factor of 6 and 5

Step-by-step explanation:

3 0
3 years ago
Fifteen times the square of a non-zero number is equal to 20 times number.What is the number? Its not 4/3
e-lub [12.9K]
The number is (2√3) / 3

To find the missing number, convert what it says in words to an equation:
15 {x}^{2}  = 20x
Divide both sides by 15:
{x}^{2}  =  \frac{20}{15}   \\  \\  {x}^{2}  =  \frac{4}{3}
Take the square root:
x =  \sqrt{ \frac{4}{3} }  \\  \\ x =  \frac{2}{ \sqrt{3} }  \\  \\ x =  \frac{2 \sqrt{3} }{3}
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3 years ago
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