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PIT_PIT [208]
3 years ago
5

At a basketball championship game students were polled and 82% of the students said that basketball is better then football.

Mathematics
2 answers:
kozerog [31]3 years ago
6 0

Answer:

This is not a valid method because there is an implicit bias in the sampling method. This is because people at a basketball game are more likely to enjoy basketball than those who don't attend.

A better way to determine the actual most popular sport would be to randomly sample students during the school day. This would give you a better representative sample.

Natali5045456 [20]3 years ago
3 0

Answer:

Step-by-step explanation:

A because it’s a an event the only people that like basketball would go to plus not everyone is there so it doesn’t prove it’s the more popular sport in the whole school just at that championship

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2/5 of the fish in Brayden's fish tank are guppies. 3/5 of the guppies are red. What fraction of the fish in Brayden's tank are
Nutka1998 [239]

Answer:

6/25 of the fish are red guppies.

Step-by-step explanation:

2/5 of the fish in Gary's fish tank are guppies.

Out of 2/5 the  of the fish in Gary's fish tank  3/5 of the guppies are red.

So, The fraction of fish in Gary's tank are red guppies = 3/5 x 2/5

=6/25

Hope this helps!

4 0
3 years ago
Amr recorded the outdoor temperature as -4 degrees Fahrenheit at 7:30 A.M. At noon, it was 22 degrees Fahrenheit. Sal said the t
tankabanditka [31]

Answer:

26

Step-by-step explanation:

so it changed by 26 degrees because it goes -3 -2 -1 0 and then add 22 so it is 26 i think

4 0
2 years ago
If a fair coin is flipped 140 times, how many times would you predict that the coin lands on heads?
Alenkasestr [34]

Answer:

70 times

Step-by-step explanation:

There is always a 50-50 chance on which side the coin can land, so on average, the coin lands 70 times on tales, and 70 times on heads.

3 0
2 years ago
Read 2 more answers
This should be easy for you <br> Please help me
Alik [6]

Explanation:

a. The line joining the midpoints of the parallel bases is perpendicular to both of them. It is the line of symmetry for the trapezoid. This means the angles and sides on one side of that line of symmetry are congruent to the corresponding angles and sides on the other side of the line. The diagonals are the same length.

__

b. We observe that adjacent pairs of points have the same x-coordinate, so are on vertical lines, which have undefined slope. KN is a segment of the line x=1; LM is a segment of the line x=3. If the trapezoid is isosceles, the midpoints of these segments will be on a horizontal line. The midpoint of KN is at y=(3-2)/2 = 1/2. The midpoint of LM is at y=(1+0)/2 = 1/2. These points are on the same horizontal line, so the trapezoid <em>is isosceles</em>.

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c. We observed in part (b) that the parallel sides are KN and LM. The coordinate difference between K and L is (1, 3) -(3, 1) = (-2, 2). That is, segment KL is the hypotenuse of an isosceles right triangle with side lengths 2, so the lengths of KL and MN are both 2√2.

_____

For part (c), we used the shortcut that the hypotenuse of an isosceles right triangle is √2 times the leg length.

7 0
3 years ago
If f(x) varies directly with x and f(x)=40 when x=8, find the value of f(x) when x=2.
melamori03 [73]

f(x)=40

x=8

so if x=2 it would be 40/8 which is 5

6 0
2 years ago
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