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ValentinkaMS [17]
3 years ago
12

WILL GIVE BRAINIEST PLEASE ANSWER AND GIVE EXPLANATION THANKS

Mathematics
1 answer:
solniwko [45]3 years ago
4 0

Answer:

I just have a question how do you give brainiest?

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I need help with my math homework.
posledela

Answer:

a

Step-by-step explanation

2x=20

x =10

4 0
3 years ago
Ahhhh I need help now!Will mark brainlest! Please help with the question below:
marshall27 [118]

Answer:

10

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airp
yKpoI14uk [10]

Answer:

Confidence Interval in 95% confidence level for the quality rating is (6.06,7.46)

Step-by-step explanation:

Confidence Interval can be calculated using the formula M±ME where

  • M is the mean of the sample
  • ME is the margin of error in a given confidence level

Using the sample obtained from 50 business travelers we get

  • Mean of the sample is 6.76
  • standard deviation of the sample is 2.526

Margin of error (ME) around the mean using the formula

ME=\frac{z*s}{\sqrt{N} } where

  • z is the corresponding statistic in 95% confidence level (1.96)
  • s is the standard deviation of the sample (2.526)
  • N is the sample size (50)

Using the numbers in the formula we get:

ME=\frac{1.96*2.526}{\sqrt{50} } ≈ 0.70

Then the confidence interval becomes 6.76±0.70

6 0
3 years ago
!!!URGENT!!!
GenaCL600 [577]

Answer:

r = 0.

Step-by-step explanation:

The slope = (y2 - y1) / (x2 - x1)

So  (r - (-3)) / (-4-2) = -1/2

(r + 3) / -6 = -1/2

2(r + 3)  = 6

2r + 6 = 6

2r = 6 - 6 = 0

r = 0  (answer).

7 0
3 years ago
The coordinates of point T are (0,6). The midpoint of ST is (3, -4). Find the coordinates of point S
bezimeni [28]

Answer:

S = (-8, 0 )

Step-by-step explanation:

7 0
3 years ago
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