Find the critical point of the function: f(x, y) = −3 - 2x - 7x² + 4y + 7y²

Q: What is the percent change if the starting value is 25 and the final value is 30? Show all of your…

A: Percent problem....

Q: (40+9/5) +35%

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Q: f 4/9 of a 3rd-grade class are boys, what is the boy co girl ratio in this class?

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Q: Only 5 of 49 students missed the first day of class.  What percent of the students missed the first…

A: The variable is students who missed the first day of class. The sample size is 49. The number of…

Q: y = 10, y = x + 16/x, about the x = -2 %3D

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Q: PART B (3.21x1043.21×104 )(0.2506) Express your answer in appropriate significant figures.…

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Q: Determine the solution explicitly of the following differential equation x(y^2) y' -(y^3) =1

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Q: What percent of 20 is 4

A: Percent formula:   a% of a quantity b is given as (a/100)*b.

Q: 2. y-x-5 -1 5 0 8. 11 5. y -(x+ 8) +1 -8 1

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Q: Poaching refuces a population of animals by 4% per year. When the population of tis animal fals…

A: Let P0 be the current population at time 0. The depreciation rate is -4%. The function that models…

Q: How do I write 2 1/10 as a percent

A: For converting the term in percentage, we multiply the number by 100 its evaluation of percentage is…

Q: 12T x 124 = 128

A: Given               12x×124=128

Q: 6 2/5% of 120 as percentage

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Q: Simultaneou S oy =104 OLy? = 103 %3D

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Q: * = (5, 4, 3, 2, 1) %3D What is r2?

A: x2 is second element from left.

Q: 309x(1-17%)

A: we have given 309x(1-17%)

Q: If n(A) 102, n(A U B) = 142, and n(A n B) = 44, find n(B). %3D

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Q: CothY%=D2(schZx+tanhx

A: Simple hyperbolic functions

Q: A building being designed will have fixed windows. Including the frame, the windows are 2 ft wide…

A: 30. GIven, dimensions of window is 2ft. × 6ft. Dimensions of wall is 78ft 6 in. × 12ft 2in. allowed…

Q: dM A machine manufactures computer chips at a rate given by dt 801 (ii) thousand i +9 computer chips…

A: To find the number of machines at t=10 yeara

Q: The amount of particulate matter left in solution during a filtering process is given by the…

A: We have find the amount of particulate matter left in the solution after 5 filtering steps

Q: Estimate (-1)" / (3 + 12) to within an accuracy of 0.01.

A: Given series is

Q: Estimate the year of production will fall below 70% of energy. y=-0.36x+94.2 x represents years…

A: Given that, y = - 0.36x + 94.2 where y is the production of energy. And x represents years after…

Q: Ln x = 2.83254 %3D Fina X

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Q: 60% of what number is 1/3? What percent of 4/11 is 2/11?

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Q: write the ratio of 3/10 to 1/10 in the lowest term

A: Write the ratio of 3/10 to 1/10 in the lowest term.

Q: what percent of 1/18 is 1/15? round to the nearest tenth digit

A: We have to find percent for  Percent of 1/18 = 1/15  Let ,  x % of 1/18 = 1/15  Then ,

Q: 923 is what percentage of 1816 ? work the problem

A: This question can be solved using the concept of percentage.

Q: 4. 34 22

A: Since you have asked multiple questions in a single request so we will be answering only first…

Q: Q/ You seek to design a component from a new ceramic material. You require a survival rate of…

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Q: Find the complement of the set given that U = {x | x I and −3 ≤ x ≤ 7}. (Enter your answers as a…

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Q: 12,000=1,800(1.089)x

A: We have to solve

Q: How does estimation help you when working with money amounts?

A: Estimation: Estimation means approximating a quantity to the required accuracy. This is obtained by…

Q: |Discretize the function f(t) = cos(t) over the interval (0, 27] with step-size h = 3. Sample…

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: 1/2+4/5=?and then find the answer as a percentage?

A: We have

Q: (3x%)(8x23) 5/6

A: Given expression: 3x568x23 Multiply the constant term of the expression, we get…

Q: 2x /10x 17. Multiply and simplify if possible:

A: