If y is directly proportional to x ,and when  x=20 then y=40 . what is the constant of proportionality ? Select one: a. 4 b. 8 c. 3 d. 2

Q: If y is proportional to x and w^2, and if y=36, when x=2, and w=3, find y when x=3 and w=4

A: We have to remove the proportion by adding a constant and then find the value of constant.

Q: Which table has a constant of proportionality between y and x of 0.6? Choose 1 answer: 4 7 A 10 8 13…

A: Please see the explanation below

Q: 8. The volume of a cone (V) varies jointly with its height (h) and the square of its radius (r). If…

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Q: R varies jointly as M, and M, and inversely as d. a) Write the variation equation. b) If R is 70…

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Q: Given G = 6.66 x 10-8 C. G. S. unit, c = 3 x 10¹0 cm/sec. M = 1.99 x 1033 gm. Also if in the case of…

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Q: If z is directly proportional to the product of x and y and if z is 21 when x is 6 and y is 7, then…

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Q: The weight Wt of radioactive uranium after t years is given by the formula Wt =  W0 × 2−0.0002…

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Q: Explain the differences, if any, between the exact solution and the numerical approximations.…

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Q: Express the statement as an equation. Use the given information to find the constant of…

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Q: Is r =b^2 + 1 is proportional?

A: If the rate of decreasing or increasing of two variable is same, then they are proportional.

Q: Which table has a constant of proportionality between y and a of 2? Choose 1 answer: 15 12 30 10 18…

A: Given proportionality constant between y and x is 2

Q: b) Use method of variation of parameters to find the general solution to the equation x²y" – 3xy' +…

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Q: Let y is directly proportional to x. When y=4,  x=8. Work out the value of y when x=20. Select one:…

A: Given that y is directly proportional to x. And when  x = 8 then y = 4. We have to find out the…

Q: Suppose that z varies jointly with the cube of x and the square of y. Find the constant of…

A: Given z varies jointly with cube of x i.e x3 of y i.e y2

Q: e lab, Alonzo has two solutions that contain alcohol and is mixing them with each other. Solution A…

A: Please refer to the image below

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Q: an object is moving at a constant speed s​ (in miles per​ hour), then s=dt−1​, where d is the…

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Q: What is the general solution to y" (x) – y (x) = e ? O y (x) C1ze + C2e¬ + e² O y (x) C1e + C2xe* O…

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Q: Let y is inversely proportional to x. When y=4,  x=8. Work out the value of y when x=2.

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Q: Suppose that the manufacturing cost of a personal digital assistant (PDA) is approximated by M(x.y)…

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Q: Express the statement as an equation. Use the given information to find the constant of…

A: Given: t is proportional to the product of x and y and inversely proportional to r.x=2, y=3, r=12…

Q: Given This equation for converting temperatures from Celsius (c) to Fahrenheit (f): f = (9/5)c + 32…

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Q: 2. d m SZ 10em m ZK = f. e. 87 m ZQ = 68 Sem

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

Q: 32. E F mZE = %3D mZF = 117° mZG = %3D H G

A: Here , m< H CONVERGENCE TO m< G AND m< E CONGRUENCE TO m< F  and m< H + m< F =…

Q: 1. Given the following SIR diagram, where h are some costly self-protective activities that people…

A: (a)  From the diagram, Since the susceptible is increasing, birth is increasing and death is…

Q: Suppose that z varies jointly with the cube of x and the square of y. Find the constant of…

A: Here, give that z varies jointly with a cube of x and the square of y. That is: z=kx3y2...(1)

Q: Given dp/dt=cp(1-p)-ep. Given that p represents the fraction of islands occupied, 0 < p < 1. Let c…

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Q: B. Apply the Basic Proportionality theorem to answer the following questions 1. What is the value of…

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Q: Suppose that z varies jointly with the cube of x and the square of y. Find the constant of…

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Q: What is the relationship between DE and FG ? Select all that apply. F E 2 G D 2 A. parallel B.…

A: The relationship between DE and FG is   The line DE and FG are parallel to each other.   The line DE…

Q: if zis directly proportional tothe product of x and y and if z is 6 when x is 3 and y is 4, the x,y,…

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Q: Suppose that y is inversely proportional to square of x. Find the constant of proportionality k if y…

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Q: r is jointly proportional to m and p. It is found that 2 and p 5 when r 4. m k 10

A: We say r varies jointly as m and p  if   r = kmp , where k is the constant.   Below find the…

Q: 2. Eliminate the arbitrary constant on the given equation: r Ae 60 + Ble 60

A: That is we have to eliminate constant A and B

Q: If an object is moving at a constant speed s​ (in miles per​ hour), then s=dt−1​, where d is the…

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Q: Use the given information to solve the problem. P is directly proportional to the square root of t.…

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Q: Given this equation for converting from Celsius (c) to Fahrenheit (f): f =(9/5)c+32 what is f when C…

A: Given that f =(9/5)c+32 To find the value of f when c is 30

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: Find fry (1,2) for f (x, y) = y?ln(7 + x) +. 23 41 -- 4 23 41 4 27°C Rain showers

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Q: I. Find the value of x. 1. DE = 18, FG = x 2. FJ = 8, FE = x 3. ED = 4x + 9, FG = 7x – 6 4. DF = 2x…

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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: If P is inversely proportional to w, and P = when w = 19 what is P when w = 12' %3D 76

A: As per rule of bartleby we can solve only one question at a time and we can solve only three subpart…

Q: A tank contains 80 grams of salt dissolved in 500 L of water. The inflow per minute is 20 g of salt…

A: Given that: Tank initially contains 80 grams of salt in 500 L of water The inflow per minute = 20 g…

Q: The volume V of a gad varies inversely as its pressure P. If V = 40 cm^3 when P = 60 g/cm^2, find V…

A: According to the question volume V  is inversely proportional to pressure P.  Thus,  V1/ V2  = P2/P1…

Q: if s is proportional to t and s=63.7 when t=7 what is s when t=10?

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Q: solve b + 1 a + 1 38. b а — 1 for a b a 39. V = tarh; for r mM 40. F = G- for r

A: Since there are multiple questions present, according to company policy we will be answering only…

Q: If the rate of change of Q is directly proportional to Q, and if Q(0) = 100 and Q(4) = 440, find k,…

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Q: Is y directly proportional to x? y = 14x-8x If so, give the constant of proportionality. If not,…

A: We have the given term as y=14x-8x On solving further, we get the result as y=14x-8xy=14-8xy=6x…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.