02/06/21

MATH PROBLEM (logics)
Molly harvested the field for 4h and Ashley harvested the same field in 12h. How long will it take them to harvest the field if they work together?
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02/06/21

Find the derivative of the function.
s(x)=x+7/xs^1(x)=
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02/06/21

Find the upper estimate (left end-points of each rectangle) for the total amount of water that leaked out by using five rectangles. Give your answer with one decimal place.

 Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of... more
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02/05/21

Find the slope of the tangent to the curve
 Find the slope of the tangent to the curve y^2=x^2/(xy−14)  at (6,3)dy/dx=
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02/05/21

Calc Chapter 4B
Find the area of the region bounded by the graphs of the equations. Use a graphing utility to graph the region and verify your result.y = e−x,  y = 0,  x = a,  x = b
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02/05/21

Find the solutions of the equation that are in the interval [0, π/2). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
Find the solutions of the equation that are in the interval [0, π/2). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)tan 6x = tan 3xx=
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02/05/21

Find the solutions of the equation that are in the interval [0, 2𝜋). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
Find the solutions of the equation that are in the interval [0, 2𝜋). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)sin 2t − sin t = 0t=
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02/05/21

Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. y = x^3, y = 8, x = 0; about x = 9
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02/04/21

A 5’6” tall man walks at the rate of 3 ft/sec toward a streetlight that is 18 ft above the ground. At what rate is the length of his shadow changing when he is 4 feet from the base of the light?
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02/04/21

Consider the sequence below : -2,1,6,13,22,... What explicit expression can be used to find the nth term of this sequence ?
Having trouble with this one
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02/04/21

Problem Solving using Linear Systems
The units digit of a two-digit number is 1 less than 3 times the tens digit. If the digits are reversed, the new number is 45 more than the original number. Find the number.
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02/04/21

calculus question
 What is the best method to evaluate  ? Integration by parts Rewrite the integral using long division Rewrite the integral using partial fractions Use a substitution
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02/04/21

calculus question
A rumor spreads through a school according to the differential equation  . What percentage of the school has heard the rumor when it is spreading the fastest? 75 50 25 Cannot be... more
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02/04/21

If sin 𝛼 = − 4/5 and sec 𝛽 = 5/3 for a third-quadrant angle 𝛼 and a first-quadrant angle 𝛽, find the following.
(A) sin(𝛼 + 𝛽)(B) tan(𝛼 + 𝛽)
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02/03/21

Calculate dy/dx
y=x -3/ x+3dy/dx=__?
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02/03/21

Calculus 1 Question Derivatives

1)Assume that g(y) has a derivative at y = 3.5 with g′(−3.5) = −3. Using the definition of the derivative, explain why the function f (y) = g(y) − 10 has a derivative at y = 3.5 with f′(3.5)=−3. ... more
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02/03/21

Exponential Functions
The half-life of a certain radioactive isotope is 20 days. How long does it take for 50g of the isotope to decay to 10g?
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02/03/21

Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places.

Use inverse trigonometric functions to find the solutions of the equation that are in the given interval, and approximate the solutions to four decimal places. (Enter your answers as a... more
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02/03/21

Find the length of the major and minor axes of the ellipse.

4x2+8y2=32
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02/02/21

Pre calc help please!!
1)     Use the following series to find the following below: 25 + 18 + 11 +.... a)      Find the sum of the first 22 terms in the series. b)     Write the series in sigma notation... more
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02/02/21

Precalculus help
Your fishing bobber oscillates in simple harmonic motion from the waves in the lake where you fish. Your bobber moves a total of 1.5 inches from it hight point to its low point and returns to its... more
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02/02/21

If the integral of the product of x squared and e raised to the 5 times x power, dx equals the product of 125 times e raised to the 5 times x power and the quantity A times x squared plus B times x...
If  , then the value of A + B + E is... A -17 B 13 C 17 D 37
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02/02/21

calculus question
Let  . Use your calculator to find F"(1). 12 6 4
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01/30/21

You deposit $500 into an account that pays 3% annual interest, compounded monthly. Write an exponential model that describes the situation and allows you to find the balance after t years.
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01/30/21

How do you solve this?
Find the number b such that the line y = b divides the region bounded by the curves y = 16x2 and y = 16 into two regions with equal area. (Round your answer to two decimal places.)
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