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salantis [7]
3 years ago
14

Need some help, Thank you!!! ^^

Mathematics
1 answer:
stira [4]3 years ago
4 0

Given:

3b+8\geq 14

To find:

The steps to solving the given inequality.

Solution:

We have,

3b+8\geq 14

Subtract 8 from both sides.

3b+8-8\geq 14-8

3b\geq 6

Divide both sides by 3.

\dfrac{3b}{3}\geq \dfrac{6}{3}

b\geq 2

Two steps are:

1. Subtract 8 from both sides of the inequality.

2. Divide both sides of the inequality by 3.

Therefore, the correct option is A.

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Can someone help me in these questions please
Solnce55 [7]

Answer:

5. 20/30, 8/12

6. 4/16, 14/56

7. 8/40, 4/20

8. 344/ 400, 215/ 250

hope this helps :)

7 0
3 years ago
Solve for 2 unknowns<br> 3y + 3x =24<br> 6y+3x = 39
kari74 [83]
The two unknown variable in the two given equations are "x" and "y". 
3y + 3x = 24
Dividing both sides by 3 we get
y + x = 8 
x = 8 - y
Putting the value of y in the second equation we get
6y + 3x = 39
Dividing both sides by 3 we get
2y + x = 13
2y + 8 - y = 13
y = 13 - 8
  = 5
Putting the value of y in the first equation we get
y + x = 8
5 + x = 8
x = 8 - 5
x = 3
So the value of x is 3 and the value of y is 5. I hope the procedure is clear enough for you to understand.
3 0
4 years ago
Read 2 more answers
It was found that the mean length of 100 diodes (LED) produced by a company
Lelechka [254]

Using the normal distribution, it is found that there is a 0.0228 = 2.28% probability that a diode selected at random would have a length less than 20.01mm.

<h3>Normal Probability Distribution</h3>

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem, we have that:

  • The mean is of \mu = 20.05.
  • The standard deviation is of \sigma = 0.02.

The probability that a diode selected at random would have a length less than 20.01mm is the <u>p-value of Z when X = 20.01</u>, hence:

Z = \frac{X - \mu}{\sigma}

Z = \frac{20.01 - 20.05}{0.02}

Z = -2

Z = -2 has a p-value of 0.0228.

0.0228 = 2.28% probability that a diode selected at random would have a length less than 20.01mm.

More can be learned about the normal distribution at brainly.com/question/24663213

3 0
2 years ago
What does 1 - 0.0098 equal?
elena-s [515]
The answer is 0.9902 please give 5 stars if helpful
5 0
3 years ago
I know how to work out all but the third row can you help
labwork [276]

Here I have attached a photo to help you with this:

4 0
4 years ago
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