е. f (x, у) %3D х2 + у f. f(x,у) %3D ух2 + у =

Q: The average reading score on certain tests is given by y=0.153x+255.38 where x is the number of…

A: Solution:-     Given,            y=0.153x+255.38    where,           X= No. fo year past 1970…

Q: The productivity of a country is given by ​f(x,y)=14.41x0.427y0.573​, where x is the amount of…

A:

Q: Expand : logs VZ 125 y?

A:

Q: The total cost in pesos of producing x pools of low voltage cable is given by C = 0.002 x3 - 0.5 x2…

A: Given : Total cost in pesos of producing x pools of low voltage cable is given by C = 0.002x3 - 0.5…

Q: fin (z° + 15z + 44)dz

A:

Q: 7) Suppose y varies directly with x. If y=2 when x = – - what is y when 2 X--0.3?

A: Given the data :

Q: The percentage of Brazil's population that lives in urban areas can be modeled by U(x)= 72 + 4.33 ln…

A: Solution...

Q: Obtain the general solution using variation of parameters y''+y = (csc³x) (cotx)

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Q: Test graphically if the data suppport the proportionality: y proportional to x3

A: Given data is x 1 1.5 2 2.5 3 y 0.4 1.7 3.9 7.7 13.6

Q: The average pulse rate (bpm) of a person with height h (in inches) is given by 432 B(h) = where 30 <…

A:

Q: Sergio's body metabolizes caffeine at a rate of 12.9% per hour (so the amount of caffeine in…

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Q: Differenitate: y = esin (z²+2z)

A:

Q: After 1000 mL of solution is given to a patient via an IV, then 20 mL per minute was given. This…

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Q: Use method of variation of parameters. y" +2y-8y = 2e-2x - e-x.

A:

Q: 3. /4(1-)esc (1-y)dy

A: We have to solve the integral

Q: z· 3°dz

A:

Q: Max Z = 4X1+10X2 %3D s.t. 5X1+4X2 < 200 X1+2X2 s 50 X1+X2 s 20 X1, X2 0

A:

Q: A quantity, y, varies directly as x. when Y equals 10, X equals six. find X when Y equals 14

A: Solution -  According to question y varies directly as x -y α xy = kx ....................(1)where k…

Q: A small newspaper company is downsizing and has lost employees at a steady rate. Twelve months ago…

A: Multiple questions-"As per our guidelines we are suppose to answer only one question.Kindly re-post…

Q: Solve 1) y" + y' – 6y = x2 2) y" + y' – 6 = tx Where t: constant

A: (1).   The given differential equation is:  y''+y'-6y=x2 The characteristic equation of the…

Q: Differentiate: *yーxy +*-ア=0

A: To Differentiate: x2y-xy2+x2-y2=0

Q: Differentiate. ' a) y = 2cos(x²)

A: Hi, at a time we can answer only one question and the exact one was not specified. So, I have…

Q: For the years​ 1970-2006, the percent of females in the workforce is given by y=10.273+8.160lnx​,…

A:

Q: 8. fz/25 – z² dz

A: Consider the provided integral, ∫z225-z2dz Evaluate the provided integral. Apply the method of…

Q: Differentiate: y = 4cos (-)

A:

Q: Juan's body metabolizes caffeine at a rate of 14.2% per hour (so the amount of caffeine in Juan's…

A: Given: Juan's body metabolizes caffeine at a rate of 14.2% per hour. Also, Juan consumes a cup of…

Q: An accessories company finds that the cost, in dollars, of producing x belts is given by C(x)=…

A:

Q: xyz 9. f(x, y, z) = x² + y2 + z2

A: Givenf(x,y,z)=xyzx2+y2+z2To find Domain of above functions

Q: What is the constant of proportionality?

A: Let there are two variables x and y. If the values of y is equals to ax where a is a constant. Then…

Q: A group of scientists studied the effect of a chemical on various strains of bacteria. Strain A…

A: Linear equations

Q: If z varies direct to the square of y and y varies inverse to x (x,y,x) = (20,120,100) Then find the…

A: z varies directly to the square of y, so z=my2 y varies inversely to x, so, y=nx Therefore,…

Q: Fresh fish (MC = 78%) is sold at 60 pesos per kilo when acquired in bulk manner. If it has been…

A:

Q: (1 - V2) dt 44. 46. (2z – 3) dz - 3

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Q: 4-y² ²) dædy 2 2

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Q: The between cuefficient of corteletion X and'y のメー ag and and の2=114 what is constant a2 where x…

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Q: yz 4. II »z dr dy dz Jo

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Q: In the regression model Y = α+ βx + ε the change in Y for a two units increase in x: will always be…

A: Given regression model Y = α+ βx + ε If x increases by 1 unit, Y increases by β.  If x increases by…

Q: What does it mean if two quantities vary directly?

A: What does it mean if two quantities vary directly?

Q: Differentiate x²y3 - y2-6x=0 with respect tox. A 3x²y2-2y −6+2ху 3 2х3у2-2y - 6 6-2xy3 3ху2+у В С D…

A:

Q: A rectangular box with square base is 10 cm tall and 4 cm wide. If its height is increased by 0.5…

A: Calculate the area of base of box.

Q: Find: > LSRL equation and predict the number of hours of walk per week for 35-year old person > r…

A: The independent variable is Age. The dependent variable is Hours of walk per week. This is simple…

Q: Y"+y'=secxtanx by using variable cofficients

A: It is a second order differential equation with variable coefficient:  y''+y=secxtanx we can solve…

Q: ng through the point that is ion. 10. (-3, -2); y = x – 2 12. (-1, -6); r + 3y = 6

A:

Q: The total cost in pesos of producing x pools of low voltage cable is given by C = 0.002 x3 - 0.5 x²…

A:

Q: find the first and second derivatives w = 3z7 - 7z3 + 21z2

A: Given the function, w = 3z7- 7z3 + 21z2 Differentiating with respect to "z" dwdz =…

Q: а a²-x² ху(х + у)dydx 0. x,

A: Integration of function expression with respect to variable x or y gives the area under function…

Q: Evaluate B: А: Vye-y° dy 3e-4z2 dz 0, 0,

A: There is a general integral that gets calculated with the help of β function. The integral is…