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Sonbull [250]
3 years ago
11

Two angles are complementary. If the measure of angle 1 is 24.2○,what is the measure of angle 2?

Mathematics
1 answer:
azamat3 years ago
6 0
63.8, subtract 24.2 from 90 to get your answer since complementary means 90 degrees and supplementary means 180 degrees. Hope this helped! :)
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A researcher plans to identify each participant in a certain medical experiment with a code consisting of either a single letter
Digiron [165]

Answer:

at least 5

Step-by-step explanation:

<u><em>If the question was similar to the one given below </em></u>

A researcher plans to identify each participant in a certain medical experiment with a code consisting of either a single letter or a pair of distinct letters written in alphabetical order. What is the least number of letters that can be used if there are 12 participants, and each participant is to receive a different code?

<em><u>The answer would be as follows</u></em>

If we use 3 letters or any distinct letter as a comma such that 2 are in alphabetical order then we would get

4C2= 6 ways to use these letters and the comma

If we use 4 letters or any distinct letter as a comma such that 2 are in alphabetical order then we would get

5C2= 10 ways to use these letters and the comma

If we use 5 letters or any distinct letter as a comma such that 2 are in alphabetical order then we would get

6C2= 15 ways to use these letters and the comma

We need the least number of the alphabets to assign codes to 12 participants.

So the least number of alphabets is 5 because it can give codes to at least to  12 people .

Pair of alphabets + distinct letter ≥ 12

5 + 1  ≥ 12

6c2  ≥ 12

15  ≥ 12

3 0
2 years ago
Use the slope formula to determine the slope of the line that passes through the points A(-5, 9) and B(-5, 6).
Anit [1.1K]

Answer:

  undefined

Step-by-step explanation:

The slope formula tells you the slope is ...

  m = (y2 -y1)/(x2 -x1)

Fill in the point coordinates, we find the slope to be ...

  m = (6 -9)/(-5 -(-5)) = -3/0

This slope is undefined.

___

It means the line is a vertical line. The constant must match the x-coordinates of the points:

  x = -5 . . . . the line through the given points

3 0
3 years ago
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vodomira [7]

Answer:

1.20 ÷ 4 = 0.30 per unit

Please mark as brainliest;)

8 0
2 years ago
Read 2 more answers
What is the slope of the line shown on the graph?
aivan3 [116]

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Step-by-step explanation:

rise over run a/b

3 0
3 years ago
Read 2 more answers
What is the distance between the points ( 19, 4) and (11, 12)?
Olenka [21]
D = \sqrt{(x_{2}- x_{1})^{2}+ (y_{2} -y_{1})^{2}}
D = √(11-19)²+(12-4)²
D = √(-8)²+(8)²
D = √64+64
D = √128
D ≈ 11.3137 
8 0
3 years ago
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