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Scilla [17]
3 years ago
11

“ I need help with these . I’m trying my best so can u help .

Mathematics
2 answers:
Debora [2.8K]3 years ago
5 0
Can not see it sorry
Sidana [21]3 years ago
4 0

Given : 2(x - 3) + 21 = -3

⇒ 2x - 6 + 21 = -3

⇒ 2x + 15 = -3

⇒ 2x = -3 - 15

⇒ 2x = -18

⇒ x \bf{= \frac{-18}{2}}

⇒ x = -9

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The number of peanuts in bags is normally distributed with a mean of 184.7 peanuts
ioda

Standard deviation = 3.3

The data point = 178

The mean = 184.7

<h2>Further Explanation</h2>

To calculate the Z-score of a bag containing 178 peanuts, we should use the formula to calculating a z-score.

The formula for calculating a Z-score is as follows

z = \frac{data Point - Mean}{Standard Deviation}

This also implies

z = \frac{178 - 184.7}{3.3}

Z= -2.03

therefore, the correct answer is -2.03

A z-score determine the number of standard deviation from the mean a data point is.

some important factors about z-score include:

  • if it is a positive z-score, it indicates the data point is above average
  • if it is a negative Z-score, it indicates the data point is below average
  • if the z-score is close to 0, it then means the data point is close to average
  • if the z-score is above 3 or below -3, it is considered to be unusual

Learn More about Z-score at:

brainly.com/question/12876715

#learnwithbrainly

8 0
2 years ago
Find the absolute value<br><br> -5/6|
Nadya [2.5K]

Answer:

5/6 OR 0.83 (with the three repeating)

Hope that helps!

Step-by-step explanation:

5 0
3 years ago
Jay graphed the line y = x-6 on a coordinate plane. He drew an image of the line 3 units to the right of the original line. What
Solnce55 [7]
The lines are parallel, because they have the same gradient but are just in different positions ie. y = x-9.
6 0
3 years ago
Read 2 more answers
Can someone please help me with atleast one and explain how to do it
Anna [14]
There's a couple ways to do this. These look like special triangles to me. Which should be the 30 60 90 triangle's which have the same ratios for their legs. The legs will always be square root three and one and the hypotenuse of two - I can't see what I'm typing for some reason so I will finish in a comment
3 0
3 years ago
-2(-9m-2)-1=27+10m<br><br><br> it’s a multi-step equation!
Basile [38]

Answer:

m=3

Step-by-step explanation:

expand and move the terms around

18m+4-1=27+10m

8m=24

m=3

7 0
3 years ago
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