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##### (6 points) Cooks often add some salt to water before boiling Some people say this helps the cooking process by raising the boiling point of the water_ How many grams of NaCl must be added to a liter of water at 1.00 atm pressure to raise the boiling point of water by 28C? Is this a reasonable amount of salt to add to cooking water? Assume 1.00 g/mL for the density of water_

(6 points) Cooks often add some salt to water before boiling Some people say this helps the cooking process by raising the boiling point of the water_ How many grams of NaCl must be added to a liter of water at 1.00 atm pressure to raise the boiling point of water by 28C? Is this a reasonable amount...

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##### (30 Foints Youl Deec repace camaec propeler. uppla; onuever propelers Gloc Hoth fixed pitch Wageningen propellers wt The- open Wace cnarecieristic Enou Figure (This JM6 Cageni een B+-70 prOFeler CEScnioe tne OCEI waler diseam IFIU ccuie notc? acales are ditferent. Yon use cither diagam inclde (n2 diamram vou Ese Kitma answer Eclcx Une na: picn ard t18 othe pitcl 20.9 Fcet. The propelle diangter feet. 'The ship details follows: Wake factor Thnist deduction 0.12 Relative rotativg ciciency 0.4

(30 Foints Youl Deec repace camaec propeler. uppla; onuever propelers Gloc Hoth fixed pitch Wageningen propellers wt The- open Wace cnarecieristic Enou Figure (This JM6 Cageni een B+-70 prOFeler CEScnioe tne OCEI waler diseam IFIU ccuie notc? acales are ditferent. Yon use cither diagam inclde (n2 di...

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##### I16.'anticlethe JoumaSound and Vibration (Vol. 151383-394) Jescribed study investiqating the relationship betrieen noise ex0Dsurenypertension Tne following datarepresentativethose epontedthe article:42Lk100 |Assumeblcce pressufe rise ano *souno pressufe level.Round Vour Ins ersdecm? 0iacesFind 90.080 confidence interalthe following:(a) Po(b) 6[(c) Mean blcaa Dressurt Msc when Inc sound pressurldecibels.(d) Find 90.0*3 prediction intervablood pressurehenthe soung Dressure level89 decitels

I16.' anticle the Jouma Sound and Vibration (Vol. 151 383-394) Jescribed study investiqating the relationship betrieen noise ex0Dsure nypertension Tne following data representative those eponted the article: 42Lk 100 | Assume blcce pressufe rise ano * souno pressufe level. Round Vour Ins ers de...

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##### Suppose that f(t) and g(t) are differentiable functions and suppose that f(t) = g(t) = for allt < 0. Show that

Suppose that f(t) and g(t) are differentiable functions and suppose that f(t) = g(t) = for allt < 0. Show that...

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##### Ktcanuavolumy19 657GonstummTnataitedimonrion; 0llno tank ththntthoIcng MrIatalhh ol~ces ol Ine sudre Baseelatsurlace 4rc} 0l thetark Wrdeobjlda uncbon(Wype 4uretsion; |intan nlcres{ orma dumclnu Nndnm Cemd TYojt nraaot Typa Vola Mnstns In inlervanote )TnamraatMnm WrtacuArnt nophl ol

Ktcanua volumy 19 657 Gonstumm Tnataite dimonrion; 0llno tank ththnttho Icng Mr Iatalhh ol ~ces ol Ine sudre Base elat surlace 4rc} 0l thetark Wrde objlda uncbon (Wype 4uretsion; | intan nlcres{ orma dumclnu Nndnm Cemd TYojt nraaot Typa Vola Mnstns In inlervanote ) Tnamraat Mnm WrtacuArnt nophl ol...

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##### A particular hospital has three intensive care units (ICU ICU denote the event that ICU 2 is full, and C 2, ICU 3). Let A denote the event that the ICU 1is full;, B and the three denote the event that ICU 3 is full: Suppose P(A} events 0.5, Pib) = independent: What is the probability that only ICU 2is full? 0.6, Pic) = 0.4 0.080.120.18None0.38

A particular hospital has three intensive care units (ICU ICU denote the event that ICU 2 is full, and C 2, ICU 3). Let A denote the event that the ICU 1is full;, B and the three denote the event that ICU 3 is full: Suppose P(A} events 0.5, Pib) = independent: What is the probability that only ICU ...

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##### 9.59 The number of breakdowns per day for certain machine is a Poisson randOm variable with mean ^- The daily cost of repairing these breakdowns is given by â‚¬ = 3Y2.If Yi, Yz, denote the observed number of breakdowns for independently selected days, find an MVUE for E(C)

9.59 The number of breakdowns per day for certain machine is a Poisson randOm variable with mean ^- The daily cost of repairing these breakdowns is given by â‚¬ = 3Y2.If Yi, Yz, denote the observed number of breakdowns for independently selected days, find an MVUE for E(C)...

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##### Blii 3Five digit codes are selected at random from the set {0,1,2,,9} with replacement: If the random variable X denotes the number of zeros in randomly chosen codes, then what are the space and the probability density ?function of XLila alolblii 4What is the probability deusity function of the random variable X il its cuulative dlistribution function is given by0.O if _ < 2 0.5 if 2<1<3 F(r) = 0.7 if 3 <I <# 1.0 if 1 2 7"Lila albl

blii 3 Five digit codes are selected at random from the set {0,1,2,,9} with replacement: If the random variable X denotes the number of zeros in randomly chosen codes, then what are the space and the probability density ?function of X Lila alol blii 4 What is the probability deusity function of the ...

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##### Exercise 5 . Prove by induction that; for all positive integers n, we have n + 1 < 2nHint: you can use the fact that for all positive integers n, we have 1 < 2n_Note: you need to show where you use the hint_

Exercise 5 . Prove by induction that; for all positive integers n, we have n + 1 < 2n Hint: you can use the fact that for all positive integers n, we have 1 < 2n_ Note: you need to show where you use the hint_...

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##### Consider the plane $x+2 y-z=5$ and the vector $\vec{v}=2 \vec{i}-5 \vec{j}+3 \vec{k}$ (a) Find a normal vector to the plane. (b) What is the angle between $\vec{v}$ and the vector you found in part (a)? (c) What is the angle between $\vec{v}$ and the plane?

Consider the plane $x+2 y-z=5$ and the vector $\vec{v}=2 \vec{i}-5 \vec{j}+3 \vec{k}$ (a) Find a normal vector to the plane. (b) What is the angle between $\vec{v}$ and the vector you found in part (a)? (c) What is the angle between $\vec{v}$ and the plane?...

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##### Force of 12 lb 13 required to hold spring stretched inch beyond its natural length How much work 13 done in stre tching it fron its natural length to inch beyond its natural length? (20 pts)Findfunction f andpositive numbersuch that (2Opts)1 +f() dt 61-3Integrate the following: (10 pts)TV1 - x dx

force of 12 lb 13 required to hold spring stretched inch beyond its natural length How much work 13 done in stre tching it fron its natural length to inch beyond its natural length? (20 pts) Find function f and positive number such that (2Opts) 1 + f() dt 61-3 Integrate the following: (10 pts) TV1 -...

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##### Question 2 (1 point) BCIT's Bookstore uses a 50% markup. Ifan item sells for 50 dollars what is its cost?Your Answer:Answer

Question 2 (1 point) BCIT's Bookstore uses a 50% markup. Ifan item sells for 50 dollars what is its cost? Your Answer: Answer...

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##### There are two forces on the 1.47kg box in the overhead view of the figure but only one is shown For F1 = 23.0 N,a = 10.8 m/s?,and 8 30.99 find the second force (a) in unit-vector notation and as (b) a magnitude and (c) direction (State the direction as a negative angle measured from the +x direction:)(a) NumberUnits(b) NumberUnits(c) NumberUnits

There are two forces on the 1.47kg box in the overhead view of the figure but only one is shown For F1 = 23.0 N,a = 10.8 m/s?,and 8 30.99 find the second force (a) in unit-vector notation and as (b) a magnitude and (c) direction (State the direction as a negative angle measured from the +x direction...

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##### Two very large charged parallel metal plates are 10.0 $\mathrm{cm}$ apart and produce a uniform electric field of $2.80 \times 10^{6} \mathrm{N} / \mathrm{C}$ between them. A proton is fired perpendicular to these plates with an initial speed of 5.20 $\mathrm{km} / \mathrm{s}$ , starting at the middle of the negative plate and going toward the positive plate. How much work has the electric field done on this proton by the time it reaches the positive plate?

Two very large charged parallel metal plates are 10.0 $\mathrm{cm}$ apart and produce a uniform electric field of $2.80 \times 10^{6} \mathrm{N} / \mathrm{C}$ between them. A proton is fired perpendicular to these plates with an initial speed of 5.20 $\mathrm{km} / \mathrm{s}$ , starting at the midd...

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##### Compute the following line integral Jclv*dz - 2rdy), where C is the triangle with vertices (0,0). (1,0), &nd (1,1) . oriented counterclockwise.

Compute the following line integral Jclv*dz - 2rdy), where C is the triangle with vertices (0,0). (1,0), &nd (1,1) . oriented counterclockwise....

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##### Find the inverse Laplace transform of the following function_F(s) (3s + 2)( s

Find the inverse Laplace transform of the following function_ F(s) (3s + 2)( s...

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##### Identify the singularities of the DE (x" + x 6)yll + (x + 3)y/ + (x - 2)y 0 and check whether these 2e regular singular points Or an irregular singular points Write XRzz 2(n + 1)cn xn-2 + ERzo Scnxn+1 as single power series whose general term involves xk Compute two linearly Independent power series solutions for the DE 2)y//

Identify the singularities of the DE (x" + x 6)yll + (x + 3)y/ + (x - 2)y 0 and check whether these 2e regular singular points Or an irregular singular points Write XRzz 2(n + 1)cn xn-2 + ERzo Scnxn+1 as single power series whose general term involves xk Compute two linearly Independent power s...

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##### 8. Zud Order Differential Eqquations: Variation of Parareters (10 Points Total): U-ing he Method of Variation of Parateters solve thc following diflereutial equation:+av +W=t(15)Ju> . for r > 0. Where V is the depeudent variable and $ is the iudepcudeut variable:

8. Zud Order Differential Eqquations: Variation of Parareters (10 Points Total): U-ing he Method of Variation of Parateters solve thc following diflereutial equation: +av +W=t (15) Ju> . for r > 0. Where V is the depeudent variable and $ is the iudepcudeut variable:...

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##### Question 62ptsDetermine if the following region is connected or not,and simply connected or not:Fill in the blank: Ris Select ]connected:

Question 6 2pts Determine if the following region is connected or not,and simply connected or not: Fill in the blank: Ris Select ] connected:...