10/03/20

A Physics Question

Len pushes toward the right on a 12.0 kg box with a force of magnitude 31.0 N. Martina applies a 11.0 N force on the box in the opposite direction. The magnitude of the kinetic friction force... more

10/03/20

A Physics Question

A helicopter of mass 3770 kg can create an upward lift force F. When empty, it can accelerate straight upward at a maximum of 1.37 m/s2. A careless crewman overloads the helicopter so that it is... more

10/03/20

precal question

Consider the following.53x − 1 = 6(a) Find the exact solution of the exponential equation in terms of logarithms.x = 

10/03/20

precal question

Solve the equation. (Enter your answers as a comma-separated list.)x27x − 64(7x) = 0x =  

10/03/20

precal question

How long will it take for an investment of $1000 to double in value if the interest rate is 8.5% per year, compounded continuously? (Round your answer to two decimal places.)yr

Find the coefficient "a" of the given term in the expansion of the binomial.

Binomial: (2x - 5y)10 Term: ax5y5I'm supposed to come up with a large number but I have no clue how to do that

10/02/20

What is a division equation that equals 38?

Find the coefficient "a" of the given term in the expansion of the binomial.

Binomial: (4x - y)12Term: ax3y9The problem also needs to be a a large number but i have no idea how to get to that point

10/02/20

Let 𝑓(𝑥)=5(sin(𝑥))^𝑥. Find 𝑓′(3).

Let 𝑓(𝑥)=5(sin(𝑥))^𝑥. Find 𝑓′(3).

10/01/20

Calculas question help

For each value below, enter the number correct to four decimal places.Suppose an arrow is shot upward on the moon with a velocity of 58 m/s, then its height in meters after t seconds is given... more

10/01/20

How do I get the answer to this

Find the sample variance of the following data (build the table). 21, 38, 40, 14, 25, 18

09/30/20

Need help doing this problem please!

Trey will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $55 and cost an additional $0.08 per mile driven. The second plan has an initial fee of... more

09/30/20

Point slope formula

Find the point-slope equation for the line that passes through the points (-8, -32) and (3, 1). Use the first point in your equation.

09/30/20

Pre-Calc help please!

What is the lower bound of the function? f(x)= -3x^5 + 6x^3 + 2x^2 - 8x + 6 show work please!

09/29/20

The equation of motion of a particle is s = 2t3 − 6t2 + 3t + 2, where s is in meters and t is in seconds.

The equation of motion of a particle is s = 2t3 − 6t2 + 3t + 2, where s is in meters and t is in seconds.(a) Find the velocity and acceleration as functions of t.(b) Find the acceleration after 2 s.

09/29/20

Find (d^110/dx^110)(sin x)

Find (d^110/dx^110)(sin x)

09/29/20

What values of x of the graph have a horizontal tangent?

For what values of x does the graph of f(x) = x + 2 sin x have a horizontal tangent? (Use n as your integer variable. Enter your answers as a comma-separated list.)

09/28/20

Statistics and probability

We surveyed 255 people. The table below shows that the soft drink preferences of people in three age groups.   Cola Root Beer Lemon-lime Under 21 years old 40 25 20 21 - 40 years... more

09/27/20

Finding the Derivative of e

The question asks:Let f(x)=(ln x)^7a. f'(x)=b. f'(e^3)= I got part a. already. 7(ln x)^6*(1/x)I can't figure out part b. I thought it would be you just plug in e^3 for x and that was it, but... more

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