07/03/23

write the Minimum amount of bookcases that can be built: x , Minimum amount of TV stands that can be built: y Answer
In Andrew’s Furniture Shop, he assembles both bookcases and TV stands. Each type of furniture takes him about the same time to assemble. He figures he has time to make at most 1818 pieces of... more
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07/01/23

Perform the indicated operations and simplify the result so there are no quotients: sin(𝑥)/cos(𝑥) + cos(𝑥)/sin(𝑥)
a.sin(x)tan(x)b.sec(x)csc(x)c.-2tan(x)d.1 + cot(x)
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07/01/23

f(x)=x^7(x+8)^8
For -14<=x<=12 the function is defined by f(x)=x^7(x+8)^8 on which two intervals is the function increaseing , find the intervals which the function is positivie x= to x= where does the... more
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06/30/23

Find the equation of the line through point (−1,2) and perpendicular to x+3y=3
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06/30/23

Need explanation on one part
Use the following expression to answer the questions below:(1/x+3 + 6/x^2+4x+3)*x+3/x+1a. Simplify the expression down to one rational expression.b. Explain the steps you used to do the... more
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06/30/23

Find concavity 2nd derivative
For what interval is f(x) = 1/x^2+1 concave down?_____ < x < _____
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06/29/23

Algebra 2 Completing the Square word problem (full question in description)
The amount of horsepower needed to overcome a wind drag on a certain automobile is given by: H(s)=0.005s2+0.007s-0.031, where s is the speed of the car in miles per hour.How much horsepower is... more
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06/28/23

Approximate the displacement of the object on this interval by sub dividing the interval into the indicated number of sub intervals.
V= 9t+1(m/s),for 0 greater than or equal to t greater than or equal to 8; n =2 approximate displacement of object is ?
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06/26/23

Find the maximum height through which it rises?
A bullet with a mass of 0.02 lbs is fired with a nozzle velocity of V1 = 2700 ft/sec into a ballistic pendulum with a mass of 20 lbs. Find the maximum height through which it rises?
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06/26/23

Find the final velocity of each block if the collision is elastic?
A 200g block moves to the right at a speed of 100 cm/sec and meets a 400g block moving to the left with a speed of 80 cm/sec. Find the final velocity of each block if the collision is elastic?
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06/26/23

SAT HELP. I'm not sure if I did this right so can someone explain in detail and give the answer so I can cross check.
A manufacturing company wants to keep their revenue positive. The equation for C(x) represents their cost, where (x) represents the time in months. The equation for P(x) represents their profit.... more
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06/26/23

Polynomial Write
write a polynomial f(x) that satisfies the given conditions. Degree three polynomial with integer coefficents with zeros 3i and 8/5
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06/24/23

Precalculus Find Distance Using this Info

To find the distance across a small lake, a surveyor has taken the measurements shown. Find the distance across the lake using this information. (Assume points A and B are exactly along the... more
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06/24/23

Precalc Trigonometric Function

Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.Sin (4𝜋/7) Cos(5𝜋/21) -Cos(4𝜋/7) Sin(5𝜋/21)A.  Write Expression as a trigonometric function... more
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06/20/23

Half-Life Question Percentage needed
A) The half-life of radium-226 is 1620 years. If the initial quantity of radium is Q0, write a formula for the quantity, Q, of radium left after t years.Answer I got: Q0(1/2)t/1620B) What... more
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06/19/23

Write an equation for a function that has a graph with the shape of y = the square root of x but reflected across the y axis and shifted right 8 United and up 4 United
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06/19/23

Totally unhappy with first lesson

Your website states you will cover the first lesson if we were not satisfied. I did not see that info until after my card was charged. My daughter had a bad experience. I summarized the issues with... more
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06/19/23

A test is scaled so that the mean score is 490 and the standard deviation is 100. What percentage of students taking this test should score 720 or​ more? Assume a normal distribution.
Finite Math ProblemA test is scaled so that the mean score is 490 and the standard deviation is 100. What percentage of students taking this test should score 720 or​ more? Assume a normal... more
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06/18/23

Eliminate the parameter to find the Cartesian Equation
Eliminate the parameter to find the cartesian equation of the curve: x = 2sec⁡(theta), y = 2tan⁡(theta),−(pi)/2 < (theta) < (pi)/2.The equation of the curve is: ?
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06/18/23

Solve the system of linear equations using the Gauss-Jordan elimination method. 4x + 16y = 36 −6x + 8y = 26
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06/16/23

For the quadratic function defined

For the quadratic function​ defined, ​(a) write the function in the form P(x)=a(x−h)2+k​, (b) give the vertex of the​ parabola, and ​(c) graph the function.​P(x)=2x^2-6x-7a. P(x)=______B. The... more
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06/15/23

Precalc Find an angle that is coterminal
Find an angle between 0° and 360° that is coterminal with the given angle.−980°
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06/15/23

f(x)=x^6h(x) h(−1) = 5 h′(−1) = 8 f′(−1)=?
Given thatf(x)=x^6h(x)h(−1) = 5h′(−1) = 8f′(−1)=?
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06/15/23

If , f(x) = 2x(sin x + cos x)

If , f(x) = 2x(sin x + cos x) findf′(5)
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06/15/23

Calculate dy/dx. 3375x=y^4
Dy/dx= ?
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