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Julk "7JeupnoYhaih ortne ollotnUngoter statemrnt ofthn ord narleast squjece (OLSI critcr an far estimatirz the tho pararnetcrs and B in a rcaression modcl? Rra...

Question

Julk "7JeupnoYhaih ortne ollotnUngoter statemrnt ofthn ord narleast squjece (OLSI critcr an far estimatirz the tho pararnetcrs and B in a rcaression modcl? Rradcarefullyt Fndbo und that mare te Wm Ithe absolurte valuc ol tha rrrors 559 El -&,-6,4,/8*s.t #ponsile Unkaha nm 0( tquarcd rooo Zo Bo = Bal " Hareea5 poxsiblcFind &cso tht the sum of the errors SSI Eo;6,46/ Hes Uur teroIhut mue'qulned crrort S-Zu-0-0 4/' Min Inutealele

Julk "7 Jeupno Yhaih ortne ollotn Ungoter statemrnt ofthn ord narleast squjece (OLSI critcr an far estimatirz the tho pararnetcrs and B in a rcaression modcl? Rradcarefullyt Fndbo und that mare te Wm Ithe absolurte valuc ol tha rrrors 559 El -&,-6,4,/8*s.t #ponsile Unkaha nm 0( tquarcd rooo Zo Bo = Bal " Hareea5 poxsiblc Find &c so tht the sum of the errors SSI Eo; 6,46/ Hes Uur tero Ihut mue 'qulned crrort S-Zu-0-0 4/' Min Inutealele



Answers

Describe the errors. $$ \begin{aligned} 7(a-6) &=(4-c x 3) \\ 7 c-6 &=4-3 c \\ 10 e &=10 \\ c &=1 \end{aligned} $$

So if we look at the first re shield in our proportion, five and 10 are being compared. Five is from Triangle B and tennis from Triangle, eh? And next we have 28. That's the perimeter of Triangle A. An ex would be the premier of trying will be So notice that are, uh, two sides are numerator. Zin denominators are not lined up. We did a flip one of these ratios so that it will work with the other ratio. So let's take the first ratio and let's flip it. Let's take 10 over five and make that equal to 28 over X cross. Multiply 10 times access to annex and 28 times five is one 40. Divide by 10 Divide by 10 and X is equal to 14.

All right. So we're going to see what errors we confined on this problem. So starting at the beginning, we would use distribution, which we can see would be two times for beam. So they got eight B and then two times negative three and they got negative six. So we have a B minus six and then eight B minus six over here as well. Since we have eight b on both sides, it looks like they subtracted eight b from both sides. And that would cancel both a fees. Leaving us with negative six equals negative. Six. So far, we are correct. The final step they do is saying that B equals negative six. This is where we see our issue, since negative six equals negative six. There's no variable there. We can't input any variable. Negative. Six equals negative. Six tells us this is an identity and B can be any number. Any number that you plug in for B. We'll get you with negative six equals negative. Six. So the error was saying that B is negative. Six when in fact, it is just negative six equal to negative six. Meaning

Other farm minus one about gay over the three game Bless one. How far and in coated you and giggles from Serge Infinity. Just tragical is only with a yes. Now. When then we would you find a bunch of some s and eco judo. Something from zero to and now minus one about Okay, An entry Gay Blessed one bowel far. And we know that the ask and minus asked. This is called the, uh and it's a row by them will be smarter or you go to the next time will be I and rest one. And because we're even the iniquity chew So what you need to do, right? This one by Joe here. And it should be that I three now and then the A three which need to compare the Adri and because it absolutely is, so we don't need to care about the management. Okay? Therefore, we have the absolutely one over the three times Three. This one about four. There we get it. Could you one over here will be 10 about far. Here you go, Jews a bonzo 01 So one day you funding by Funk jam? Yeah, it's a bit

So if we know that angle, a eyes are missing. Angle inside. A is 19 so 19 was on the left side of the equal sign. The other two sides are 21 squared and 11th where those air the A and and those the pian the seaside's. So those are also the side that are being multiplied against the coastline of angle eight on the other side. So we see the site B and C are no longer the same as 21 in 11. This 19 has somehow gotten into that multiplication. So there should actually say 11 times 21 not 1941. If we type this into our calculator and we get co sign of A is equal to about 0.44 to find the inverse coastline of both sides is how we can get that way by itself. And a is equal to about 64 degrees angle, eh?


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