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Naddik [55]
3 years ago
15

Which step could be used to help isolate the variable in the following equation

Mathematics
2 answers:
makvit [3.9K]3 years ago
8 0
The subtraction of 4 on both sides would isolate the term 1.1j, then the division of 1.1 on both sides would isolate j.
Aloiza [94]3 years ago
5 0

Answer:

The steps required are subtract 4 both side and the divide both side by 1.1.

Step-by-step explanation:

Given : Equation 5.63-0.12 = 4 + 1.1j

To find : Which step could be used to help isolate the variable in the following equation ?

Solution :

Equation 5.63-0.12 = 4 + 1.1j

To isolate the variable,

Subtract 4 both side,

5.63-0.12-4= 4+ 1.1j-4

5.63-0.12-4=1.1j

Divide both side by 1.1,

j=\frac{5.63-0.12-4}{1.1}

Now we simplify it,

j=\frac{1.51}{1.1}

j=1.37

Therefore, the steps required are subtract 4 both side and the divide both side by 1.1.

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Name a career that requires data-analysis skills. Describe how data analysis is used in this career. Be specific in your example
Viefleur [7K]

Answer: Find explanations below.

Step-by-step explanation:

1. A career as a Data Scientist would require data analysis skills.

2. The Data Scientist computes and analyzes large amounts of data from different sources and then makes useful interpretations with it. He needs skills In Statistics, Calculus, Probability, Programming, Excel, Visualization, Database management, and Machine Learning. He also needs a high level of accuracy when solving problems.

3. The median value is used when the data set contains values that repeat regularly and which contains some extremely high values. The mean value would aggravate towards higher values while the Median value would give a salary value that is an average of the data set. That is why the median value is used in salaries and housing prices calculations.

4. The dot plot is a simple scale representation of data values using dots to highlight the frequency of occurrences. I would use a dot plot to analyze quantitative data (like percentages, and decimals), and univariate data ( like mean, median, and mode).

The box plot analyzes a group of data in graphic styles. I would use it to determine the interquartile range, maximum, minimum, and median values. I would also use it to identify outliers.

5. Dot plot Strengths:

a. It is easy to plot the dots.

b. It is easy to interpret the data.

c. It shows the connection between the two data sets.

Dot Plot Weaknesses:

a. It shows the similarities between only two sequences.

b. The changes that occur between the data set cannot be easily detected.

c. It is time-consuming.

Box Plot Strengths:

a. Outliers are detected.

b. Indicates the 5-point summary.

c. It can compare more than two data set.

Box Plot Weaknesses:

a. Real values are lost.

b. The graph Is not easy to the sight.

6. The Income of the population of adult women would have a negatively skewed distribution.

4 0
3 years ago
2p/3 - 12 = -2<br> A: 15<br> B: 7<br> C: 17<br> D: -21
Naddik [55]

the answer is A because indont know 9bp

3 0
2 years ago
You get paid ​​\$14.50$14.50​ an hour at your job and the newest video game costs ​\$85.00$85.00​. Find the inequality that repr
Zielflug [23.3K]

Answer:

14.50x > 85

Step-by-step explanation:

14.50x > 85

divide both sides by 14.5

x>85/14.5 = 5.86 hours

x has to be greater than 5.86 hours

3 0
2 years ago
The matrix 1 2 4(0 1 6/7 is being used to solve a system of equations. The solution to the system is
loris [4]
| 1 2 ||x| = |4| - | 3 -1 ||y| |6| <span>-3 | 1 2||x| = |4| </span>
<span>| 3 -1||y| |6| </span>

<span>|-3 -6||x| = |-12| </span>
<span>| 3 -1||y| |6 | </span>


<span>| 0 -7 ||x| = | -6 | </span>
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<span>y = 6/7 </span>

<span>x = 16/7</span>
5 0
3 years ago
SUPER HARD QUESTION (I POSTED THE DIAGRAM) In the diagram of.....
Kisachek [45]

Answer:

A

Step-by-step explanation:

Since m∠JOK is 1/5th of the measure of the full circle (we know this because 72° is 1/5th of 360° and 360° is the measure of the whole circle), we know that the measure of minor arc JK will be 1/5th of the circumference of the circle. C = 2πr and we know that r = 5 so the circumference is 10π. 1/5th of that is 2π.

6 0
2 years ago
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