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2) A una persona, el doctor le prescribio tomar 15 unidades de vitamina A, 15 unidades de vitamina Dy 22 unidades de vitamina E diariamente. La persona puede elegir...

Question

2) A una persona, el doctor le prescribio tomar 15 unidades de vitamina A, 15 unidades de vitamina Dy 22 unidades de vitamina E diariamente. La persona puede elegir entre tres marcas de pildoras vitaminicas: La marca X contiene 2 unidades de vitamina A, 1 de vitamina D y 1 de vitamina E; la marca Y tiene 3,3 y 0 unidades, respectivamente; Ia marca Z tiene 5 unidad de vitamina A, ninguna de vitamina D Y 1 unidad de vitamina E_ Plantea un sistema de ecuaciones que represente la situacion anterior.

2) A una persona, el doctor le prescribio tomar 15 unidades de vitamina A, 15 unidades de vitamina Dy 22 unidades de vitamina E diariamente. La persona puede elegir entre tres marcas de pildoras vitaminicas: La marca X contiene 2 unidades de vitamina A, 1 de vitamina D y 1 de vitamina E; la marca Y tiene 3,3 y 0 unidades, respectivamente; Ia marca Z tiene 5 unidad de vitamina A, ninguna de vitamina D Y 1 unidad de vitamina E_ Plantea un sistema de ecuaciones que represente la situacion anterior. Resuelve el sistema anterior por alguno de los siguientes metodos: Matriz Inversa de Identidad, Matriz Inversa de Adjunta, Gauss Jordan Cramer Indica que nombre recibe este sistema y explica porque En que le puede ayudar - tu analisis al paciente cuando Ilegue a la farmacia a realizar la compra de las vitaminas.



Answers

Please do the following. (a) Draw a scatter diagram displaying the data. (b) Verify the given sums $\Sigma x, \Sigma y, \Sigma x^{2}, \Sigma y^{2},$ and $\Sigma x y$ and the value of the sample correlation coefficient $r$. (c) Find $\bar{x}, \bar{y}, a,$ and $b .$ Then find the equation of the least-squares line $\hat{y}=a+b x$. (d) Graph the least-squares line on your scatter diagram. Be sure to use the point $(\bar{x}, \bar{y})$ as one of the points on the line. (e) Interpretation Find the value of the coefficient of determination $r^{2} .$ What percentage of the variation in $y$ can be explained by the corresponding variation in $x$ and the least-squares line? What percentage is unexplained? Answers may vary slightly due to rounding. Data for this problem are based on information taken from Prehistoric New Mexico: Background for Survey (by D. E. Stuart and R. P. Gauthier, University of New Mexico Press). It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific cultural affiliation as the elevation of the site increases. Let $x$ be the elevation (in thousands of feet) of an archaeological site in the southwestern United States. Let $y$ be the percentage of unidentified artifacts (no specific cultural affiliation) at a given elevation. The following data were obtained for a collection of archaeological sites in New Mexico: $$\begin{array}{c|ccccc}\hline x & 5.25 & 5.75 & 6.25 & 6.75 & 7.25 \\\hline y & 19 & 13 & 33 & 37 & 62 \\\hline\end{array}$$ Complete parts (a) through (e), given $\Sigma x=31.25, \Sigma y=164, \Sigma x^{2}=197.813, \Sigma y^{2}=6832, \Sigma x y=1080$ and $r \approx 0.913$. (f) At an archaeological site with elevation 6.5 (thousand feet), what does the least-squares equation forecast for $y=$ percentage of culturally unidentified artifacts?

Hello. Shouldn't No way would conduct in this question. This is crushed worse and a support. There are currently 300 females, so 300 are three Teligent female northern sported calls 600 out of 3690 are juvenile. 200 then are so adult. So it'll and don't be 100 are dead abs. So after five years on the business division, given this is given no plus and 4 to 1 so day and plus one invented toe equal to zero point 33 a one into question. Oh, it is given our jato 0.23 even which is job. 133 and a one, Which is good Question 2100. So in 2100 which gives which gives our six 93 And after five years, so multiply with five. So this is equal to 3465 on this is Joe 0.18 in tow. First year, uh, this is don't be 100. So this is equal to it's a 36 straight and for five years were deployed with 55 major After five years. This is equal 18 40 summer jobs it gives 2100 23 Eder's on our provide. The Heiress No more adult. After five years, 2123 into five, just upper five years. This is a number of others and be we can conclude that the number off all's linearly decorating and see if, uh, forest management you can pick them, then their population will encourage.

So in this problem, we're given a triangle. That's a trust we have Triangle Peak you are. And we know that the perimeter of this triangle is 60 feet. We want to know if the manufacturer has 150 feet. How many of these trust is, can you make? So we're gonna divide 1 50 divided by 60 because it takes 60 feet to make one. So 1 50 divided by 60 is 2.5. So since I can't make half of a trust, we could only make up to two so he can make two of these tresses.

In discussion figures given triangle, I think you are. Is there a right angle triangle where Angle P. Which is 90°. And lime D. Is perpendicular to line Q. R. You can see that here. So here we have to find the ratio PQ ratio. We are through here you can see that Angle P. D. Art which is 90° and angle P. Is 90° which is given. So here and triangle P. Q. R. We can apply paint against here you are acquire equal to you. Piece choir because we are esquire. It is our question 1st. Now in triangle P. D. Q. So here you can see that it is a right angle triangle. So here we can apply pythagoras too PQ Squire equal to pd Squire. Bliss. QD square. So now pd Squire equal to beacuse quiet negative. Kill the Squire. Now in triangle. Really odd. Pr esquire equal to the the square plus D. Ari Squire. So now here you can write like that pd square equal to pr Squire negative. DDR Squire. So it is a question 2nd And it is not a Christian 3rd. Now two equations, 2nd and 3rd big you Squire negative, cutely square equal to pr esquire negative. They are Squire. So here you can write like that big, you square negative. We are a Squire equal to cue the Squire negative. They are esquire now right hand side we can apply formula A square negatively square equal to A plus B. Times a minus B. So now thank you, Squire negative. We are Squire equal to you D. Plus the R times QD negative D. R. So here we know that cutely plus they are equal to you are. So it put here you are kind purely negative. They are. No it is a question for so PQ Squire Blues. Pr esquire equal to you are esquire and big you Squire plus pr square equal to you are kind QD negative. Pr here is negative symbol. So now we add them. So here we get two times thank you. Quiet. Plus QD negative B. R. So here we put the value of you are. So here you are kind QD this you are plus cuny negative D. R. You know we simplify this and here we get big. You square equal to Q. All times Q. D. The desert execution food. No, we subtract that equation. So here we get two times Pr esquire equal to Q. R. Times Q R, negative QD plus D R. Q. All times you need negative they are negative. You D positive D. R. Please put a positive deal. So now here we get two times two. All time new york it is our equation safe. Here we can cancel out too so you can learn like that. You are times dear. So please it is over the question six. Now in discussion we have to find the fresh off BQ and we are so the value speak, you are square is Q. R times dear. So we put here it's quite off speak you and square off you are. So here the value B R squared is you are times we are. And the value of scar off PQ, which is Q. R. Time security. So here we tax credit to the both sides. So here we get pick you upon you are. So if we are equal to graduate all QD bond graduate all they are. So here we can say thank you Rachel B. R. Equal to to have it all QD ratio squared of the R. It is all my answer, Which is option two.

One of on the value of J L J L is equal to jails equal to K M J L is twice what JP is. And we're told that JP is 14.5 and so JL is gonna equal 29.


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