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3 years ago

Simple question can I get help plz

Mathematics

2 answers:

andrew-mc [135]3 years ago

7 0

Yes you can get help

sweet-ann [11.9K]3 years ago

4 0

6, 8, 10 is a Pythagorean triplet

8,9,10 isn’t a triplet

9,16,25 is not a triplet

15,20,25 is a Pythagorean triplet

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Solve each equation, if possible. Write irrational numbers in simplest radical form. Describe the strategy you used to get your

VladimirAG [237]

Problem 1
Do you know what a complex number is? If you do not, you can get an answer but not one you will like much.

(3x)^2 + 27 = 0 remove the brackets. Remember to square what's inside the brackets.

9x^2 + 27 = 0 Divide both terms by 9
9x^2/9 + 27/9 = 0

x^2 + 3 = 0 Subtract 3 from both sides.
x^2 = -3 Take the square root from both sides.
x = sqrt(-3) but the square root of - 3 = 3i
x = i*sqrt(3)

Problem 2
x^ - 8x + 1 = 0
a = 1
b = - 8
c = 1

x = [- -8 +/- sqrt(b^2 - 4*a*c) ]/(2*a) Quadratic formula
x = [ 8 +/- sqrt( (-8)^2 - 4(1*1)]/2 Substitute Givens and combine
x = [ 8 +/- sqrt( 64 - 4 )] /2 Subtract 4
x = [ 8 +/- sqrt (60)]/2 Break 60 into 4 * 15
x = [ 8 +/- sqrt (4*15)]/2 Notice 4 is a perfect square. sqrt4 = 2
x = [ 8 +/- 2*sqrt(15)] / 2 Divide through by 2
x = 8/2 +/- sqrt (15)
x = 4 +/- sqrt(15) the twos were gone

8 0

3 years ago

With respect to conducting a situation analysis, what does the phrase "Analysis alone is not a solution" mean?

nikklg [1K]

Answer: Analysis alone is not sufficient because a relationship should be made between a persons instinct and his judgement of matters to arrive at a useful conclusion.

Step-by-step explanation:

While it is necessary to conduct a situation analysis, it is also important to note that a situation analysis on its own is not enough because there should be a relationship drawn between good judgment and instinct so as to make the outcome of the analysis relevant when making important decisions.

For a situation analysis to be effective, information must be broken down sufficiently into bits so as to have a proper understanding as to why organizations, customers, and individuals behave or work the way they do. After these things are thoroughly understood, then the decision maker can make a more effective decision.

4 0

3 years ago

Decompose 5/15 and 8/12

AnnZ [28]

Answer:

Step-by-step explanation:

5/15 divided by 5 is equal to 1/3 and

8/12 divided by 2 is 4/6 divided by 2 is 2/3

You have to divide the numerator with the same number that you divide the denominator with.

6 0

2 years ago

The athletic departments at 10 randomly selected U.S. universities were asked by the Equal Employment Opportunity Commission to

Lesechka [4]

Answer: Mean = 3.5 , median = 2.5, mode = 2, geometric mean = 2.74

Median is the most appropriate measure of central tendency.

The least appropriate = mean

Yes there is an outlier.

Step-by-step explanation:

Given responses : 5, 4, 2, 1, 1, 2, 10, 2, 3, 5.

First arrange them in increasing order, $\sqrt[10]{1\times1\times2\times2\times2\times3\times4\times5\times5\times10 }\\\\=\sqrt[10]{24000} \approx2.74$

Its sum = 35

Mean of n observations = (Sum of observations) ÷ n

Mean = (35) ÷ 10

=3.5

Here n =10 (even)

Median = average of middle most numbers = $\dfrac{2+3}{2}=\dfrac52=2.5$

Mode = most repeated number = 2 (thrice)

geometric mean = $\sqrt[n]{x_1\times x_2\times.... x_n}$

10 is an outlier as it is very large as compare to other numbers.

When outlier is present in data , the median is the most appropriate measure of central tendency.

Mean affected badly by the outlier so it the least appropriate.

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B12%7D%20%20%5Cdiv%20%20%5Cfrac%7B2%7D%7B11%7D%20%20%3D%20" id="TexFormula1

katrin2010 [14]

Solve. To solve this equation, you must change the divide sign into a multiplication sign.

To do so, change it into a multiplication sign, and flip the second fraction

(5/12)/(2/11) = 5/12 x 11/2

Multiply across

5/12 x 11/2 = 55/24

55/24, or 4 7/12

hope this helps

<em>~Rise Above the Ordinary</em>

7 0

3 years ago