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LekaFEV [45]
3 years ago
12

Suppose that a defined population is all right-handers, and a survey is being conducted. Which of these is an example of selecti

on bias?
A. Including left-handers in the selection process of the survey

B.Including right-handers with brown hair in the selection process of the survey

C.Excluding left-handers from the selection process of the survey

D.Excluding right-handers with brown hair from the selection process of the survey
Mathematics
1 answer:
ludmilkaskok [199]3 years ago
8 0

Answer:

D: excluding right-handers with berown hair from the selection process of the survey

Step-by-step explanation:

<em>It izz wat it izzzz!!!</em>

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A quadrilateral with two pairs of consecutive sides congruent and no opposite sides congruent is called a(n)
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Answer:

<h3>D.) kite.</h3>

Step-by-step explanation:

We are given statement:

"A quadrilateral with two pairs of consecutive sides congruent and no opposite sides congruent is called a(n)".

The correct option is : D.) kite.

Note: <em>A kite is a type of quadrilateral ( four sided closed figure) with two pairs of adjacent equal sides. Also opposite sides are not equal in a kite shape quadrilateral.</em>

Therefore, we could complete the given statement as:

A quadrilateral with two pairs of consecutive sides congruent and no opposite sides congruent is called a kite.

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The sand pit for the long jump has a width of 2.75 meters and a length of 9.54 meters. Just in case it rains, the principal want
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3 years ago
The three trapezoids have the same base lengths, but different angle measures. Which trapezoid has the greatest area? Explain.
Firlakuza [10]
Well the formula for the area of a trapezoid is as follows:

A=\frac{a+b}{2} h

where a and b are both base measures (a trapezoid has a top and bottom base).

Therefore, if all three have the same base length (the top and bottom lengths themselves being different yet the same on all three), the trapezoid with the greatest angle measure would have the greatest are. This is because with a greater angle measure comes a greater height (Pythagorean theorem).<span />
5 0
3 years ago
5) Emily woks Monday through Friday at a rate of $16.12 per hour. She takes a 1-hour lunch break. If she
TEA [102]

Answer:

$

725.40

Step-by-step explanation:

Since, every day she works from 6:15am to 4:15pm

this will put her working to 10 hrs a day and subtracting 1 hr break, the total working period would be 9 hrs a day.

And, total working hours per week would be (9*5) hrs = 45 hrs

thus, her total salary per week would be $(45*16.12) = $725.40

6 0
3 years ago
Perform the operation.<br> (9x2 + 6x – 7) + (-9x - 5)<br><br> PLS HELP ASAP PLS
qaws [65]

Answer:

21

Step-by-step explanation:

(9x2 + 6x – 7) + (-9x - 5) = 21

6 0
3 years ago
Read 2 more answers
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