Assume that u · v = 5, ||u|| = 9, and ||v|| = 4. %3D Calculate the value of (3u + v) · (u – 10v). (Give your answer as a whole or exact number.) (3u + v) · (u – 10v) =

Q: In the given question ,, two models R1 and R2 are given for revenue (in millions of dollars) for a…

A: Given: Two models of revenue for a corporation which are estimates of revenues from 2020 through…

Q: If n birds eating continuously consume V in³ of seed in T hours, how much does in bird consume per…

A: topic- algebraic operations

Q: h is jointly proportional to q and v. It is found that q = 9 and v = 8 when h = 3. k =

A:

Q: The fuel efficiency for a certain midsize car is given by E(v) = −0.014v2 + 1.148v + 3.7 where…

A:

Q: where Z₁-WN(0,0). Assume you know that E(X)=3,u= 1 and ² = 1. What is the value of $?

A:

Q: b. If Q1(0) = 20 kg and Q2(0) = 10 kg, find the amount of solute in each tank after t minutes. Q1(t)…

A: From the given information. Constant flow rate is 10L/s. Tank volume is 1000L. Concentration of…

Q: The half-life of selenium-72 is 8.4 days. How long will it take for 20g to decay to 15g?

A: NOTE: Refresh your page if you can't see any equations. . here the half-life is given so use the…

Q: 9. At the surface of Earth, the escape velocity of a 2 kg projectile is about 11 km/s when air…

A: Given:     Escape velocity of 2 kg projectile =11 kg/s   Escape velocity V=2GMr where M is Mass of…

Q: Consider 250g of iodine which decomposes at a rate proportional to the amount present. Around 150g…

A:

Q: Solve for the integrating factor of the D.E 2 (y - 4x²)dx + xdy 0. %3D Choices: А. х3 B. X С. x D.…

A: The equation is given by: 2y-4x2dx+xdy=0xdy=24x2-ydxdydx=24x2-yxdydx=8x-2yxdydx+2xy=8x Compare with…

Q: It takes pump A 3 hours less time than pump B to empty a swimming pool. Pump A is started at 8:00 am…

A: Explained below

Q: Using the model for bacteria shown below, answer the following questions. B(h) = 8(3)3h (a) What is…

A:

Q: t sect df 2/ V3

A:

Q: 8. Find Give the exact value (no decimal). dt JF It=16

A: topic - derivative of a function

Q: How much energy (in Joules) is required to convert 126 grams of ice at -26 °C to liquid water at 40…

A: Given, Mass(m)= 126 g Temperature of ice(T1)= -26°C Temperature of water(T2)= 40°C The specific heat…

Q: 2. Define Ej where the reactor rise time of the first batch is less than 55 min. and E2 where the…

A: Given: E1=The reactor rise time of the first batch (t<55)E2=The reactor rise time of the second…

Q: u need 160 mL of a 75% alcohol solution. On hand, you have 70% alcohol mixture. You also hav %…

A: This problems can be solved by using allegation theorem that is (x-x2)÷(x1-x)

Q: The density of a rock will be measured by placing it into a graduated cylinder partially filled with…

A:

Q: 3x (b) Find the general solution of +2y=e*

A:

Q: Express the statement as a formula that involves the given variables and a constant of…

A: Two or more variables are said to be directly proportional if a change in one variable results in a…

Q: 13. An arrow is shot vertically upward at a rate of 220 feet per second. Use the projectile formula…

A:

Q: 2. Find the general solution (4y e)

A:

Q: The pressure P and volume V of an expanding gas are related by the formula PV = C, where b and C are…

A:

Q: A chemical processes a reagent whose mass, Q mg, t hours after the reaction takes place is given by…

A: Given,          A chemical processes a reagent whose mass, Q mg, t hours after the reaction…

Q: Exercise: Separate the variables and solve. 1. x(2y-3)dx+(x²+1)dy=0 ans: (x²+1)(2y-3)=Fc

A: As per our guidelines we are supposed to answer only one question.Kindly repost other question as…

Q: Q2/ solve the D.E. by variation of parameters Q2/ solve the D.E. by variation of parameters d?x dx +…

A:

Q: Approximate 3+ 2x using Simpson's rule (n-6), then find the percentage of error after comparing your…

A:

Q: A patient undergoing a heart scan is given a sample of fluorine-18 (18F). After 4 hr, the…

A: From the given statement, the radioactivity level in the patient is 44.1 MBq (mega Becquerel). After…

Q: Using differentials, solve for the approximate value of |(7.02)3 – (2.97)5 t: Let z = Vx3 – y5 and…

A:

Q: y=Ax^3 + (C1)x + C2 is the general solution of the DEQ: y''=80x. Determine A. Is the DEQ separable,…

A:

Q: b) A coffee has a temperature of 90°C when freshly poured. After 5 minutes, the coffee has cooled to…

A:

Q: The relationship between total capacitance C and the three capacitors C1, C2 and C3 is shown below:…

A: We can solve the question as below

Q: (4) Apply the Ratio Te of (2n-1! 1ニ2

A: We have to find

Q: The value of the root of equation Vx + x = 3 using the iteration method Xo=2 1. 1.355 2. 0.267 3.…

A: Iteration Method : Let the given equation be f(x) = 0 and the value of x to be determined. By using…

Q: Exercise: find L in the fo -3S e (1) L solution:

A:

Q: Q3. Choose the correct answer 1- x- In x2 + k Is the result of integrating the function? A. 1-2х А.…

A: Find the function which is the resulting integration of function x-ln x2+k.   A function Fx is…

Q: | 2² (x³ + 5)°dz. Use substitution to find the antiderivative of [Show Solution] Hint Multiply the…

A:

Q: Pse Variation of Parameters to solve the DE y" – 4y

A:

Q: y" – y = 5sin²(x); when y(0) = 2,y'(0) = -4 %D %3D

A:

Q: A mixture of calcium oxide, Cao, and calcium carbonate, CaCO 3, that had a mass of 3.454 g was…

A: This question is based on given following equation.

Q: Solve e = 23 for x. %3D The solution is x (Round to four decimal places.)

A: As per our guidelines we are supposed to answer only one question. Since you have asked multiple…

Q: Use the method of separation of variables to solve the heat conduction equ д?и 1 ди k > > 0

A:

Q: Using the substitution x = sec 0, -dx x²Vx² – 1 - where x > 1, is equal to 2vx2–1 + C x² – 1 + C X X…

A:

Q: Solve the IVP. Show the steps of derivation, beginning with the general solution. 14. dr/dt = -2tr,…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: f(x) = E Cnx". n=0 What is the lowest term with a nonzero coefficient.

A:

Q: E Solve the following equation for x. y 4 In(e+7) %3D

A:

Q: (4) (g) S 40t2 4t²+25 - dt S du = u-atan-¹"+C u² u²+a² (be sure to list the parameters: a,b,u,…

A: Given ∫40t24t2+25dt   And use ∫u2u2+a2=u-atan-1ua+C

Q: The k-value for a gas is 1.2. What is the volume of the gas in terms of the pressure it exerts? OV =…

A: we have to find volme of gas .....

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.