Doug C.

11/02/23

How do I go about solving for the exact value of this experssion

sec(sin^-1 12/13)I assume I solve for the arcsin for 12/13 first and the find the secant of what I got, but that doesn't sound right.

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Answers •1

Precalculus

11/01/23

need help solving this

A quadratic function f is given.f(x) = −3x2 + 6x − 1(a)Express f in vertex form.

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Precalculus

11/01/23

Pls help, sorry for the trouble

Link to image of the problem a) write a positive cosine equation that corresponds to the word problem b) how high was your right foot when you first started? thank you!

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Precalculus

11/01/23

Two ships leave a harbor at the same time. One ship travels on a bearing S10°W at 13 miles per hour. The other ship travels on a bearing N75°E at 11 miles per hour. How far will the ships be after... more

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Calculus

11/01/23

Derivative Question

Find dy/dx of y = sqrt(1+sin sqrt(x))

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Answers •1

Precalculus

10/31/23

how can i find the local minimum

P(x) = −x2 + 2x find the local minimum (x,y)

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Answers •2

Algebra 1

10/30/23

Three times the greater of two consecutive odd integers is 15 less than two-thirds of the lesser integer. What are the integers?

Need help badly

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Answers •2

Math

10/30/23

The value of China's exports of automobiles and parts (in billions of dollars) is approximately f(x)= 1.8208e^.3387x, where x = 0 corresponds to 1998. In what year did/will the exports reach $6.2 bil

Give the answer as the year, with at least one decimal place

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Answers •1

Precalculus

10/28/23

A box is formed by cutting squares from the four corners of a sheet of paper and folding up the sides.

The graph below shows how the volume of the box in cubic inches, V, is related to the length of the side of the square cutout in inches, x.The graph of the function V equals x times the quantity 7... more

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Answers •2

Math

10/26/23

A restaurant has a total of 50 tables. Some of the tables can seat 6 people and some can sit 2 people. All of the seats are occupied when there 172 people seated. How many tables for 6 are there?

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Calculus

10/24/23

You will integrate the following rational function

You will integrate the following rational function:∫ (−2 x^2 −24 x +138)/(x−5)^2 (x+3) dxTo do this, start by writing (−2 x^2 −24 x +138)/(x−5)^2 (x+3) = A/x−5 + B/(x−5)^2 + C/x+3(a) Put the... more

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Math

10/24/23

Mackenzie needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 2.75 hours and charged her $181 for parts. The total was $249.75.

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Calculus

10/23/23

Consider the equation below. f(x)=e^6x+e^-x

Consider the function below. f(x)=e^6x+e^-x (a) Find the intervals on which f is increasing. (Enter your answer using interval notation.) Ans: (-ln(6)/7,infinity) Find the interval on which f is... more

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Answers •2

Calculus Precalculus

10/23/23

Find the indicated nth derivative of the following: write the solution of each number

7. 2nd derivative of y=xArcsinx + √1-x²

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Calculus Precalculus

10/23/23

Use implicit differentiation to find the: write the solution of each number

9. y' of sec²x+csc²y = 9ans. y'= tanx sec²x / coty csc²y10. g(y)= cos y / 3 - 3 siny

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Answers •1

Calculus Precalculus

10/23/23

Exercise 3.1. Find the derivative of the following functions: write the solution of each number

2. g(x) = x sinx - 5 cosx at x=π ans. g'(л) = -π3. f(y) 3sec y tan yans. f'(x)=6sec³y - 3 sec y5. y= sin²(3x²-1)ans. y'= 6xsin(6x²-2)6. P(t)= 4csc(sin3t)ans. P'(t)=-12(cos3t)csc(sin3t)cot (sin3t)

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Math

10/23/23

Among all rectangles that have a perimeter of 188 , find the dimensions of the one whose area is largest. Write your answers as fractions reduced to lowest terms.

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Math

10/23/23

Ratio change after addition

Year 6 at Swan School has a ratio of boys to girls 5 to 3, Three girls join the class at the start of term and the ratio changes to 10:7. How many students are in year 6 at this school after the... more

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Calculus

10/22/23

Find the first and second derivatives

Find the first and second derivates for the following:a. y= 1- 4 square root of x + x^3 / yb. y=3x^2e^xc. y=x^3 sinx

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Answers •1

Calculus

10/22/23

Differentiate the following

Differentiate the following:a. y=In (5x)b. y= In(5/x)c. y=In (x^3)d. y=(In x)^3e. y=x square root of In xf. y = In x / xg. y=In (sec(In theta)h. y=In sec theta+tan theta)I. y= (x^3 - 3) sure root... more

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Math

10/22/23

How many gallons were consumed by each of the two cars that week?

A family has two cars. The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of 30 miles per gallon of gas. During one particular week, the two cars... more

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Math

10/21/23

Take a general quadratic function f(t)=at2+bt+c

Take a general quadratic function f(t)=at2+bt+c and compute the second difference for adjacent points t,t+1, and t+2(Hint: Your answer could depend on the coefficients a,b and c.)

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Algebra 2

10/21/23

Given y=ax^2-10x+c the vertex is (-5,20). Find the missing coefficients

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Answers •2

Math

10/20/23

Joe is on his way home in his car. He has driven 24 miles so far, which is two-thirds of the way home. What is the total length of his drive?

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Answers •2

Math

10/20/23

Determine the equation of the line perpendicular to y = 1/4x + 1 that passes through (-4,7).

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Answers •1

How do I go about solving for the exact value of this experssion

need help solving this

Pls help, sorry for the trouble

Law of Cosines (Two ships)

Derivative Question

how can i find the local minimum

Three times the greater of two consecutive odd integers is 15 less than two-thirds of the lesser integer. What are the integers?

The value of China's exports of automobiles and parts (in billions of dollars) is approximately f(x)= 1.8208e^.3387x, where x = 0 corresponds to 1998. In what year did/will the exports reach $6.2 bil

A box is formed by cutting squares from the four corners of a sheet of paper and folding up the sides.

A restaurant has a total of 50 tables. Some of the tables can seat 6 people and some can sit 2 people. All of the seats are occupied when there 172 people seated. How many tables for 6 are there?

You will integrate the following rational function

Mackenzie needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 2.75 hours and charged her $181 for parts. The total was $249.75.

Consider the equation below. f(x)=e^6x+e^-x

Find the indicated nth derivative of the following: write the solution of each number

Use implicit differentiation to find the: write the solution of each number

Exercise 3.1. Find the derivative of the following functions: write the solution of each number

Among all rectangles that have a perimeter of 188 , find the dimensions of the one whose area is largest. Write your answers as fractions reduced to lowest terms.

Ratio change after addition

Find the first and second derivatives

Differentiate the following

How many gallons were consumed by each of the two cars that week?

Take a general quadratic function f(t)=at2+bt+c

Given y=ax^2-10x+c the vertex is (-5,20). Find the missing coefficients

Joe is on his way home in his car. He has driven 24 miles so far, which is two-thirds of the way home. What is the total length of his drive?

Determine the equation of the line perpendicular to y = 1/4x + 1 that passes through (-4,7).

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