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bekas [8.4K]
2 years ago
12

Which of the following is NOT a true statement about the sides of a right triangle? A. The hypotenuse is the longest side. B. Th

e legs are the sides adjacent to the 90° angle. C. Side “a” is always longer than side “b”. D. The hypotenuse is opposite the 90° angle.
Mathematics
1 answer:
Aleonysh [2.5K]2 years ago
6 0
The correct answer is C. Side “a” is always longer than side “b”.
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Subtract the expressions.
marin [14]

Answer:

-8b - 5k + 9

Step-by-step explanation:

=(-4b + 15 - 7k) - (6 + 4b - 2k)

Taking away the brackets

=-4b + 15 - 7k - 6 - 4b + 2k

collecting like terms

=-4b - 4b - 7k + 2k + 15 - 6

= -8b - 5k + 11

5 0
3 years ago
Surface area of this figure
tamaranim1 [39]

Answer:

23

Step-by-step explanation:

you add 10m(h) plus 8m(w) plus 15m(l)

4 0
2 years ago
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Does this sample have a bias
raketka [301]

Answer:

Yes, the sample has a bias

Step-by-step explanation:

Bias is the term used in statistics to describe a systematic distortion in the samples obtained for the parameter being estimated. It is evident by obtaining values higher or lower than that of the average population for the parameter being measured. As such the data is a misrepresentation of the population and cannot be trusted to give a good indices of things.

This sample has a bias because the concerned citizen opted to use a <em>convenience sampling</em> instead of using <em>random sampling</em>. In <em>random sampling</em>, every individual has an equal chance of being chosen which is unlike the <em>convenience sampling</em> when only a specific group of individuals can be chosen. In this case, the bias was introduced when the citizen went to stand outside the courthouse with his petition, the citizen should have taken samples across diverse geographical locations and professional institutions. The implication of this sampling is that a significant percentage of the population has been sidelined (considering they would not be in or around the courthouse) from the sampling and the sampling has been restricted to only those who have business around the courthouse. The result is that whatever samples he/she obtains will not be an accurate representation of the parameter being measure from the population.

<u>As such, the sampling technique is biased </u>

5 0
2 years ago
20. In the figure at right, ABDC lies in plane k and AD IDC.
Citrus2011 [14]

The option that's true about the plane illustrated is E. None of these.

<h3>How to illustrate the plane?</h3>

From the information given, it should be noted that DBC isn't an isosceles triangle.

Also, from the figure, one can see that DAB isn't similar to DAC.

Likewise, BD and DC aren't perpendicular.

In conclusion, the correct option is E.

Learn more about plane on:

brainly.com/question/2251564

#SPJ1

4 0
2 years ago
What place does the 3 have in 8.3
Ghella [55]
The 3 is in the tenths place
3 0
3 years ago
Read 2 more answers
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