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Homework: Section 11.4 Homework Scere. 042 pts CITnDn Hw Score: 7796 19.25 0f 25 pls 11.4.21 Euatan Fep FtaetAua Golabon thmlah porhehen /Fli D enentno auaicn 0tn ...

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Homework: Section 11.4 Homework Scere. 042 pts CITnDn Hw Score: 7796 19.25 0f 25 pls 11.4.21 Euatan Fep FtaetAua Golabon thmlah porhehen /Fli D enentno auaicn 0tn EountMMrn!FEnu (ruivantEaElFeetnnoeecant Bray-Ochacntgeren

Homework: Section 11.4 Homework Scere. 042 pts CITnDn Hw Score: 7796 19.25 0f 25 pls 11.4.21 Euatan Fep FtaetAua Golabon thmlah porhehen /Fli D enentno auaicn 0tn EountMMrn!FEnu (ruivant Ea ElFeetnno eecant Bray-O chacntgeren



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The data shown represent the scores on a national achievement test for a group of 10th-grade students. Find the approximate percentile ranks of these scores by constructing a percentile graph. a. 220 b. 245 c. 276 d. 280 e. 300 $\begin{array}{ll}{\text { Score }} & {\text { Frequency }} \\ \hline 196.5-217.5 & {5} \\ {217.5-238.5} & {17} \\ {238.5-259.5} & {17} \\ {259.5-280.5} & {48} \\ {280.5-301.5} & {22} \\ {301.5-322.5} & {6}\end{array}$ For the same data, find the approximate scores that cor- respond to these percentiles. f. 15th g. 29th h. 43rd i. 65th j. 80th

Lynch of Order points here that we're going to connect an alphabetical order. So what I like to do when I am doing things like this is that I start with a of course and ideo 12345 of them up. 812345678 Put a point there and then I cross out my a so that I don't get confused. I move on to be, which is one and then up. 13 123456789 10 11 12 13. And then I go ahead and connect a and B right across out that one, and then continue on from there. So I have 5 18 So 12345 That's 13 14 15 16 17 18 and then I connect B and C next one. I have nine. So that's 56789 and then up 13. Here we go. Connect those. Keep going. Next I have E, which ends up being the same point as a So it's just telling me to connect d back to a All right F is 56 which is right here. Then I have 37 I connect those. 35 77 75 Right. Reconnect it back toe f cause effin K have that same point. Continue on. I have 53 34 32 74 seven to 53 Again. Just reconnecting it back to a previous point. Ellen are the same thing. And then I have 51 And there we go. It looks like a kite I didn't see. There's a kite and its little bows and that is a sheet that it makes.

We have to highlight the points point A is one comma one trying to be will have to common tree buoyancy is 35 point de we have four comma seven point is minus 21 blind If it's minus two, coma to point Z is minus off to common. Three point edges minus of two comma. Full point is we have minus two. Come on five And we have point Kate which is minus two coma six. So we'll highlight these points. Point days one comma 12 X quantities one And why quantities one. So one comma one. We are having this point. This is pointed point bees to go, Montri. So explain it is to why come according the streets or to common three. We have this point. This is point B. Seas three, Goma Fire So excess three and white slaves recording the The point is here did his point. C these four comma seven. So this is four. And why call it is seven soul. We have this point. Point B Next appointees minus two comma one. So minus two. Number one. It is pointy. If his minus two common to so minus two and So this is point death Zis minus two Elementary So minus two common tree. We have this point. This is the and the same time at U minus two comma food so minus two Common for this rich. So if he'll do this clearly minus two comma one is a This point is e minus Took all my two years f So this is if minus two Geometry is easy so we have this point c minus took on for his edge So we have this point edge minus two. Come on five is a So again, this point, we have the and minus two Common six is gay. So we have this point. Ok, I hope you undecided ABC D e f zh geeky. These all points are highlighted on this X Y axis coordinate system.

So the question is asking about the solution off the given inequality, which is more off. 0.5 x minus 0.4 Miners 0.1 less than 0.11 Now from here we can see that more off 0.5 x minus 0.4 should be less than 0.1 toe again. From here, we can say that 0.5 x minus 0.4 should be less than 0.12 but greater than minus 0.1 toe again. 0.5 X should be less than C 0.16 and greater than 0.0, minus 0.8 Now, the X value should be from minus 1.6. You too. Three point 20 This is the range for variable X. Now, if you want to blow this range on the number line, this is our number line. This is zero. This is minus 1.60 This is 3.20 So the answer or the variable act should be between these you will use. So this is the answer and on the in double former Cuban red. This is like 1.60 to minus and three point choose you. This is the complete answer for this question.

Okay, So what you can do is we confer stroller cred, right? In fact, let me make this much bigger because we would be plotting a load off points. So office point that we need to plot is going to be a negative one and two. That means you. It's negative one and two. So that's negative. One on the X axis. Somebody here and then to Seoul becomes a Right now we put being such that B is for two. In fact, let me write old. It's point to you he's going to be for two on c is going to be to for And then do you use going to be five negative one? I hired a negative one man is going to be 71 and f is going to be turned negative, Right? Okay, so now we can quickly turn all of these. So let's continue. B is going to be four somewhere here and for two on the same level of a Remember, they both have a my coordinate off to, and then cult C, which is too poor. So she would be somewhere here in the center, right, and then twice as high as both of these. So that's, you know, let's put this trying to force. But ehm you see? Right? Okay, now we know Held employed D, which is five negative one. So which hikes with you? But the by Quicken, it is a negative one. And then it is going to be 71 point. So that means just slightly hand, but on the positive. And then, lastly with 10 negative one, we're just going to be somewhere here, right? Okay. Let me just clear this whole so we can have a good shape. Okay? No. Okay, so there we go. So this is 7871 Right now we can complete this notional notices. Is your triangles Arsenal? And that's why we say ABC, All right, it's congruent to be and you could quickly see Let's calculate the length off me to be right. The length of a to be is going to be that negative one and it to the four. So it's a lot five minutes. And when you look at this land, it's also about let's see the Clinton. It will form five negative 1 to 10. Right? So we're going common, excluding it or 5 to 10 which again is five minutes, right? That's how we conclude. You can do these for all of the other signs. And you're going to realize the bees are exactly the same triangles.


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