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3 years ago

The question is on file.

Mathematics

2 answers:

Gennadij [26K]3 years ago

8 0

Answer:

Scrambled Eggs - 12

Hard-boiled Eggs - 4

Step-by-step explanation:

Scrambled Eggs Rule = +3

Hard-boiled Eggs Rule = +2

(PLS MARK BRAINLIEST)

(I WOULD REALLY APPRECIATE IT!)

Nikitich [7]3 years ago

6 0

Answer:

Scrambled Eggs | 6 | 9 | 12 |

Hard Boiled Eggs | 2 | 4 | 6 |

Step-by-step explanation:

Scrambled Egg = Scrambled Egg + 3

Hard Boiled Egg = Hard Boiled Egg + 2

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Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a relationship between the number of client

vlada-n [284]

Answer:

$\sum_{i=1}^n x_i = 334$

$\sum_{i=1}^n y_i =611$

$\sum_{i=1}^n x^2_i =13970$

$\sum_{i=1}^n y^2_i =51581$

$\sum_{i=1}^n x_i y_i =26584$

With these we can find the sums:

$S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}=13970-\frac{334^2}{10}=2814.4$

$S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}=26584-\frac{334*611}{10}=6176.6$

And the slope would be:

$m=\frac{6176.6}{2814.4}=2.195$

Nowe we can find the means for x and y like this:

$\bar x= \frac{\sum x_i}{n}=\frac{334}{10}=33.4$

$\bar y= \frac{\sum y_i}{n}=\frac{611}{10}=61.1$

And we can find the intercept using this:

$b=\bar y -m \bar x=61.1-(2.195*33.4)=-12.213$

So the line would be given by:

$y=2.195 x -12.213$

Step-by-step explanation:

The data given on this case is:

x: 14,12,20,16,46,23,48,50,55,50

y: 24,24,28,30,80,30,90,85,120,110

For this case we need to calculate the slope with the following formula:

$m=\frac{S_{xy}}{S_{xx}}$

Where:

$S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}$

$S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}$

So we can find the sums like this:

$\sum_{i=1}^n x_i = 334$

$\sum_{i=1}^n y_i =611$

$\sum_{i=1}^n x^2_i =13970$

$\sum_{i=1}^n y^2_i =51581$

$\sum_{i=1}^n x_i y_i =26584$

With these we can find the sums:

$S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}=13970-\frac{334^2}{10}=2814.4$

$S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}=26584-\frac{334*611}{10}=6176.6$

And the slope would be:

$m=\frac{6176.6}{2814.4}=2.195$

Nowe we can find the means for x and y like this:

$\bar x= \frac{\sum x_i}{n}=\frac{334}{10}=33.4$

$\bar y= \frac{\sum y_i}{n}=\frac{611}{10}=61.1$

And we can find the intercept using this:

$b=\bar y -m \bar x=61.1-(2.195*33.4)=-12.213$

So the line would be given by:

$y=2.195 x -12.213$

5 0

3 years ago

What are the values of x in the equation x2 - 6x + 9 = 25?

hjlf

Answer:

x= -2 or x= 8

Step-by-step explanation:

$x^{2} - 6x + 9 = 25$

First step, move 25 to the left side so we can do the Quadratic Formula (or you can factor instead.)

$x^{2} -6x + 9 - 25 = 0$

Next, we know that 9-25 equals -16.

$x^{2} - 6x - 16 = 0$

Now find that what two numbers multiply and get 16: 2×8 4×4 and 16×1.

Now we do some kind of factoring. The most valuable number must be negative since -6x is negative.

Let's explain about factoring in Quadratic a little bit.

Substitue x²-6x-16 as ax²+bx+c=0

From (ax+d)(bx+c), if we multiply ax and bx, we get the ax²

If we multiply ax and c, we get acx and we multiply d and bx, we get dbx. (axc+bdx) = bx

If we multiply d and c, we get c.

From the factor lf 16, 2×8 seems to be right since -8+2 equals -6 which matches the equation.

Then we get.

$(x - 8)(x + 2) = 0$

Seperate both equations.

$x - 8 = 0 \\ x + 2 = 0$

Find the value of both x.

$x = 8 \\ x = - 2$

The answer is x = -2, 8

(The explanation might be weird since I don't know what they are called in English.)

3 0

4 years ago

Read 2 more answers

What is the constant of proportionality on this graph

Colt1911 [192]

The answer is a I believe

4 0

4 years ago

How to find the diameter of a circle with pi

kifflom [539]

Step-by-step explanation: Divide the circumference (perimeter) by pi. That gives you the diameter. Half of that is the radius. To get the area, square the radius, and then multiply by pi.

7 0

3 years ago

Choose the point-slope form of the equation below that represents the line that passes through the point (6, −3) and has a slope

Marina86 [1]

Y - y1 = m(x - x1)
slope(m) = 1/2
(6,-3)....x1 = 6 and y1 = -3
now sub...and pay attention to ur signs
y - (-3) = 1/2(x - 6)...not done yet
y + 3 = 1/2(x - 6) <=== ur answer

7 0

3 years ago