Based on the definition of complementary angles, the two angles are: 49.4° and 40.6°.
<h3>What are Complementary Angles?</h3>
Angles that are complementary angles have a sum of 90 degrees.
Let the angle be represented as x
Complement of the angle = (90 - x)
Therefore, we would have:
x = (90 - x) + 8.8
x = 90 - x + 8.8
x = 98.8 - x
x + x = 98.8
2x = 98.8
x = 98.8/2
x = 49.4°
The second angle would be: 90 - 49.4 = 40.6°
The angles are 49.4° and 40.6°.
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Answer:
68.27%
Step-by-step explanation:
By the Empirical Rule, as 65% and 75% are both one standard deviation apart from the mean of 70%, then this represents 68.27% of the data.
 
        
             
        
        
        
B is the Y-intercept or where the graph crosses the y-axis. they provide you with a few things which can help you figure this out. they give you the values of x and y in a table
X | Y
2  |  -5
4  |  -9            The difference between each Y value is 4...so, I add 4 to the -5
6  |  -13            and get -1...going up another value for the X would be at 0.  This leaves me with an ordered pair of (0,-1).....thus, the value of b is -1.
        
             
        
        
        
Answer:

Step-by-step explanation:
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Given:

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Collect like terms.

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Simplify

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Hope this is helpful.
 
        
                    
             
        
        
        
Answer:
see below
Step-by-step explanation:
1.  < 4 is the exterior angle of a triangle   given
2.  <1 + <2 + <3 =180   basic property of triangles
3.  <3 + <4 are a linear pair    <3 and <4 are adjacent and form a straight line
4. <3 and <4 are supplementary angles  supplementary angles are linear pairs
5.  <3 + <4 = 180   The definition of supplementary angles are that they add to 180 degrees
6.  <1 + <2 + <3 = <3+ <4  Substitute <3 + <4  for 180 in equation from step 2
7 <1 + <2 = <4   Subtract <3 from each side using the subtraction property of equality