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Question

The rcxuna 4 (Egiosscn nnUtsh*# 120hres relaling "selIJMcc (ndalars] bxatt 60 U Iho houso LAtu uchoedn bwu dala sol had sue2 turang Irom 320 wure Rt lo 4050 s4a0 [e Coroncn Mlldanb ta Cctn kon ID AelMtkan WaeJnnnubaacnbainaItahuconianc mnlenamcean-urton TuunqubataVtmWktWUM0 porNIO 0lary mruty$ IndutnurWukU Iyngon Mlln encndnrntinde Eottacn Mn$02 Ict orly ammteet4 ntie4t THumer Entanti Ed Mcun tanlueanRunuui purMuunlulFcio Waatin natacn ctorautanut nicu @aAaann:59200 Ict eolle Lu Maelu # 502

The rcxuna 4 (Egiosscn nnUtsh*# 120hres relaling "selIJMcc (ndalars] bxatt 60 U Iho houso LAtu uchoedn bwu dala sol had sue2 turang Irom 320 wure Rt lo 4050 s4a0 [e Coroncn Mlldanb ta Cctn kon ID AelMtkan Wae Jnnnubaa cnbaina Itahu conianc mnlenamce an-urt on Tuunqu bata Vtm WktWUM 0 por NIO 0lary mruty$ IndutnurWukU Iyngon Mlln encndnrntinde Eottacn Mn$02 Ict orly ammteet4 ntie4t THumer Entanti Ed Mcun tanluean Runuui pur Muunlul Fcio Waatin natacn ctora utanut nicu @a Aaann: 59200 Ict eolle Lu Maelu # 50200 Iu Aun Qutuanou #uaino PkL Aehdee enetatut SPLO, 10D LLnie Celee dledu Ahannannemnec ouhieet 62011 DDUEquurou u sicunuuiu Belnq plr Thagz0 0l any hellst Inoejets betteer E800 lo 977 'AHfetak ey SDU nclevy FhlelnaNx



Answers

El hijo mayor del vecino sale después de que termines el patio.
Quiere ver como es para
su exhibición de fuegos artificiales de verano.
Decide disparar uno como prueba y te ofrece un
$ 60 adicionales para calcular algunas medidas del vuelo de los fuegos artificiales.
Los fuegos artificiales
El vuelo está representado por la función: -5x² + 20x +1.
El siguiente gráfico muestra el movimiento
de los fuegos artificiales.
Altura en pies
20
15
-10
5
3
Tiempo en segundos
=
Para completar la tarea (enumere todo lo siguiente)
a.) ¿Cuál fue el punto más alto que alcanzó el fuego artificial?
b.) ¿Cuánto tiempo estuvieron los fuegos artificiales en el aire?
c.) ¿Cuántos segundos tardó en llegar a su punto más alto?
d.) ¿A qué altura del suelo se lanzaron los fuegos artificiales?
e.) Después de recibir los $ 60, ¿cuál es su nueva cantidad total?

In this video, we're gonna go through the answer to question number 19 from chapter 9.3 to rush to find the inverse matrix off F S R E O X, which is a matrix as a function of time given here. First, let's recall that inverse off a product major sees a B is equal to the inverse off B plans by the invested a sharing all of the investors exists. So let's think about how we can write this in a slightly different way. So we kind of want toe, not have to worry about all the u to the t You need to mine it easy to tease. So let's just write the coefficients first 14 and then you see that all the first row almost quite by eating Timmy on the second row E to the minus t you know, 30 points to t so we can turns up by e to the t zeroes ever in the second row zero e to the minus t zero and 3rd 1 00 each of the two teams. Okay, let's call this one a on. Let's call, this one will be, Then we can use this formula to find the total invest. Okay, so first up, let's find inverse off, eh? Let's do it in the usual reduction way. So what we got 111 one minus one. See? You want one? Combine that with the identity. 100010 There. Is there a woman? Okay, we're reducing. Let's subtract the first row from the bottom room. That gives us 00 three minus 101 less. Attract the first road from the second road zero minus 21 Uh, then screw reminds 110 leave in the first row is it is one warning zeros era. Okay, so try it times in the bottom row by 1/3. We got 001 minus 1/3 zero 1/3. Get me. Okay, then this new bomb row, we can subtract that from the 1st 2nd most. So from the first room gonna be 10 because I want one. That one minus one is zero. It's gonna be one minus a bird. Sorry. One minus minus. A bird, which is one plus a bird, which is 4/3 zero minus 00 zero minus 1/3 as much bird. Then subtract the new bottom row from the middle road is your, uh, minus two zero minus one minus minus 30 miles. Off course, a bird which is minus two birds one minus zero is just 10 minus. The third is my herd. Okay, so bottom row stays the same. 001 Mines third, zero third. Let's multiply the middle Robot minds heart to get 010 Ah, my hard times minus 2/3 is 1/3 then one times minus half is mine minus half minus. 1/3 is 16 Then let's do the top road minus this new middle road. Then we're gonna get the matrix on at the identity matrix on the left for the 4/3 minus. Good. This one zero minus 1/2. It's okay. Zero minus minus 1/2. It's 1/2 on minus. 1/3 minus suit is minus 36 Which is my heart. Okay, so this is our inverse off the function called a Now it's fine. In burst off. I actually called bay. So be waas. Eat the tea. 00 zero. It's the minus t zero. Is there? Uh, zero. He said to take the inverse of this. This is really easy. Um, because when you got a non zero elements in the leading diagonal on and it's just the reciprocal off those beating darknet values on the rest is all zero. So eat the minus t 000 e to the T they were zero zero. Eat some honesty. Sorry. He's the mind to t expended in verse off X, which is inverse off. Maybe. Which is? They invest a inverse, which is, if the modesty 00 zero e to the T 000 into my studio tea. That's our invested. Be invested a waas one, huh? Minus off that, But it's hot. Six minds of the zero Third. Then when we we'll find them together, it's question, but we got E to the minus. See, huh? Modesty minus ah, the money's team. Bird eats the tea. Mine's 1/2. It's the mind. Yeah, it's the team. Six. It's the team, but Murray get minus. 1/3 eats the minus Tootie zero on the third eats the mind stated, and that's I invest

Restriction and the new places Restriction and the nucleus is first discovered in 1970 Hamilton's. O. Smith thomas, kelly and Kent will cox The both isolated first type two restriction enzymes. Yeah. And restriction. And the nucleus is and DNA restriction enzymes in DNA destruction and the nucleus. This restriction enzymes, they recognize the specific DNA in which 1000 base pairs and in 1000 base pairs. Type one Type two. Type three recognition sites are present to recognize that to recognize the specific DNA for their recognition sites. My point type two and type three recognition sites are involved.

So in this question of firework was launched at some height? Right? So the graph of the projectile is given. And the equation of the projectile would be why it goes to minus five X square plus 20 X plus one here. Why is the height of the firework from the ground and access to time? Right. So we have four parts of question here. The first part is saying that uh what is the highest point that the firework would be the would reach? Right? So to find the highest point we have to find divide by the X. And we have to equate this to zero because at the highest point that slope of the cover will be whole gentle to the X axis. Right? So David by the access across digital, which means that minus 10 X plus 20 is equal to zero. So from here we get access equals to two seconds. So after two seconds the the firework will reach the maximum point right now to find the height of the maximum point, we can find the value of Y had X equals to two seconds. Light soil substitute X equals to do in the aggression. We will get minus five to his square plus 20 multiplied by two plus one. So when we simplify this will get why he goes to 21 fits. So this is the highest point that the firework will reach. Now coming to the second part, the second part is how long the firework was in the air. Right? So uh at the end the fireworks will be reaching the goal of reaching the ground. Right? So at that point the height of the firework would be judo, which means why we liquid 20 Right? So we have to equate why equals agenda. Which means that minus five X squared plus 20 X plus one is equal to zero. So some the situation will get the values of X. Right? So it is a quadratic equation. We can find the roots of the equation by minus 20 plus minus the square root of 20 square mm minus fall into minus five. Divided by to into minus five. Yeah. Right. So from here we'll get the values of X one would be 4.3 to 5 seconds, 34.3 or 49 to be more like you did. Mhm. And another value would be X equals two minus zero point Beautiful night. Since this cannot be possible, time cannot be negative. So the correct value is 4.249 So after 4.49 seconds the firework will reach around. Right? Mhm. Now coming to the sea but ah we have to find the time we've just taken to reach the highest point. Right? So two at the highest point, the slope of the cover studio that we have already found in the first part of the question. So by creating slow because we have God the value of access two seconds as in the first part. Right? So after two seconds the firework will reach the highest point. Now coming to the depart, uh we have to find the height of the firework at the initial mind where it is launched. Right? So in this uh this equation we have to find the value of Y. A. Toxic was which means that a time it was zero seconds. That is the initial point. We have to find the height of the firework. So we can we can substitute judo forex in the equation. So we'll get y equals two minus five geo plus 20 multiplied by zero plus one. So this will give the value of my years one ft late. So at uh height of one ft, the vibe work was launched, Right? So this uh this is a solution for the given question.


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