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Pavel [41]
4 years ago
13

Which is the correct term when simplifying 5√5×4√3?

Mathematics
2 answers:
Inga [223]4 years ago
8 0

Question:

<em>Which is the correct term when simplifying 5√5×4√3?</em>

Answer:

<em>C.) 20√15</em>

Hope this helps!

Maru [420]4 years ago
4 0

<u><em>C. 20√15 is the correct answer.</em></u>  First you had to multiply by the numbers, and it gave us, 5*4=20, and 20\sqrt{5} \sqrt{3}. Then you had to used apply radical rule, and it gave us, \sqrt{5} \sqrt{3}=\sqrt{5*3}, and =20\sqrt{5*3}. And finally multiply by the numbers, and it gave us the answer is 5*3=15, and  <u><em>20√ 15 is the final answer.</em></u> You can also round up to the nearest hundredths is 77.45 to 77.50. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

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<h3>Answer: Approximately 0.677</h3>

Explanation:

Add up the values in the plan A column. There are 10+12+16 = 38 people who prefer plan A.

Add up the values in the "40-49" row to find that 16+8 = 24 people are ages 40 to 49.

We have 38+24-16 = 46 people who either prefer plan A, are aged 40-49, or fit both descriptions. I subtracted off 16 because those 16 people were counted twice when adding 38 and 24.

An alternative way to get this value of 46 is to add up everything that is in column1 or row 3 (or both). So that would get 10+12+16+8 = 46.

Now add up everything in the table to find out how many people were surveyed total. That would be 10+7+12+15+16+8 = 68 people overall.

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3 years ago
Mrs. cugini collected data on the hand span length and height of each of her Algebra 1 students.
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<h3>a. slope = \displaystyle m=\frac{15}{2}</h3><h3>b. slope = m = positive = positive correlation =  two sets of data increase together</h3><h3>Further explanation</h3>

Scatter plot shows the relationship between data

We can use Regression to make lines on the chart or you can also make lines with the principle as close as possible to all points

Regression

\displaystyle m=\frac{N\sum (xy)-\sum x\sum y }{ N\sum (x^2)-(\sum x)^2}

Because data is in the form of numbers from the hand span length and height of each of students. not displayed clearly, then we make a line directly by making points on the graph above and below the line as much as possible to be balanced

We specify 2 points that are crossed by a line, for example:

(6.45) and (8.60)

slope (m) = change in y / change in x

\displaystyle m=\frac{60-45}{8-6}\\\\m=\frac{15}{2}

Slope has a positive value, and shows a positive correlation where the tendency of the number rises simultaneously, or can be concluded:

<em>tall students will have the long hand span length too</em>

<h3>Learn more</h3>

Line equation

brainly.com/question/10955762

Keywords : line equation, slope, regression, the hand span length and height, graph, Scatter plot

#LearnWithBrainly

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