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lilavasa [31]
3 years ago
8

PLEASE I NEEED THIS FAST!!

Mathematics
2 answers:
jek_recluse [69]3 years ago
8 0
Supplementary means they are equal to 180 so combine them and set it equal to 180.

7x - 2 = 180

Add 2

7x = 182

Divide by 7

x = 26

Gekata [30.6K]3 years ago
3 0

4x + 3 + 3x - 5 = 180

7x = 182

x = 26

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7 0
3 years ago
0.2x + (-0.9) + 1.7 = 9.6<br> 0.2x + 0.8 = 9.6
user100 [1]

Answer:44

Step-by-step explanation:

0.2x+(-0.9)+1.7==9.6

0.2x+0.8=9.6

Subtract 0.8 from both sides

0.2x+0.8-0.8=9.6-0.8

0.2x=8.8

Divide both sides by 0.2

0.2x ➗ 0.2=8.8 ➗ 0.2

x=44

6 0
3 years ago
Guys please quick i have 5 min
IgorLugansk [536]

Answer:

D. im not realy sure.but there

5 0
3 years ago
What is the significance of the mean of a probability​ distribution?
VikaD [51]

Answer:

Significance of the mean of a probability​ distribution.          

Step-by-step explanation:

  • The mean of a probability distribution is the arithmetic average value of a random variable having that distribution.
  • For a discrete probability distribution, the mean is given by, \sum x_iP(x_i), where P(x) is the probabiliy mass function.
  • For a continuous probability distribution, the mean s given by, E(x) = \int x_if(x_i), where f(x) is the probability density function.
  • Mean is a measure of central location of a random variable.
  • It is the weighted average of the values that X can take, with weights given by the probability density function.
  • The mean is known as  expected value or expectation of X.
  • An important consequence of this is that the mean of any symmetric random variable (continuous or discrete) is always on the axis of symmetry of the distribution.
  • For a continuous random variable, the mean is always on the axis of symmetry of the probability density function.
4 0
3 years ago
18
mr_godi [17]

The correct answer is D.

Have a good day! :)

8 0
3 years ago
Read 2 more answers
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