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Leni [432]
3 years ago
12

12+90+x=180 I need help fast

Mathematics
1 answer:
Vinil7 [7]3 years ago
3 0

Answer:

78

Step-by-step explanation:

102+x=180

x=180-102

x=78

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An angle measures 8.8° more than the measure of its complementary angle. What is the measure of each angle?
Fittoniya [83]

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°.

Learn more about complementary angles on:

brainly.com/question/16281260

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6 0
2 years ago
The final exam scores in a statistics class were normally distributed with a mean of
IRISSAK [1]

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.

4 0
2 years ago
How do i find B with a table??
Artist 52 [7]
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.
4 0
3 years ago
What is the answer of this questoin 2c-3b+6+7b-2b+11?​
Katena32 [7]

Answer:

2c+2b+17

Step-by-step explanation:

-----------------------

Given:

2c-3b+6+7b-2b+11

---------->>>>

Collect like terms.

2c+(-3b+7b-2b)+(6+11)

---------->>>>

Simplify

2c+2b+17

------------------------

Hope this is helpful.

7 0
3 years ago
Read 2 more answers
Please help ASAP! 40 PTS
tester [92]

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

4 0
3 years ago
Read 2 more answers
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