02/13/24

Evaluate the integral
Evaluate the integral
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02/13/24

Evaluate the definite Integral
Evaluate the definite Integral
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02/13/24

Find all zeros (real and complex) and factor the polynomial completely. a) P(x) = x^2+24x+145
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02/11/24

A doctor prescribes an ointment that is 2% hydrocortisone. A pharmacist has 1% and 5% concentrations in stock. How many ounces of each should the pharmacist use to make a 5-ounce tube?
A doctor prescribes an ointment that is 2% hydrocortisone. A pharmacist has 1% and 5% concentrations in stock. How many ounces of each should the pharmacist use to make a 5-ounce tube?
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02/11/24

One crew can seal a parking lot in 6 hours and another in 10 hours. How long will it take to seal the parking lot if the two crews work together?
One crew can seal a parking lot in 6 hours and another in 10 hours. How long will it take to seal the parking lot if the two crews work together?
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02/11/24

Can someone please help explain this concept and how to solve questions like this?
If f(x) = ∫ [from 4 to x4+8x3+6] sin(t)dt then, f'(x)= ?Thanks in advance!
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02/11/24

Interval of convergence for series
Find a power series for the function, centered at c, and determine the interval of convergence.f(x) = 4/(5-x), c = -3
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02/09/24

Math 127 help please

Recall the equation for a circle with center (h,k) and radius r. At what point in the first quadrant does the line with equation y=x+2 intersect the circle with radius 3 and center (0,... more
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02/09/24

Evaluate the integral
∫x5√(1-x2)dx
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02/08/24

find the point x
find the point x, 0 x 1, on the graph of y = sin2(3x) where the tangent line is horizontal.x = 
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02/08/24

Suppose an object is moving along a horizontal coordinate line with distance formula
Suppose an object is moving along a horizontal coordinate line with distance formulas(t) = t3 - t2 (in feet）where t ≥ 0 is in seconds.(a) Find the velocity v(t) and acceleration a(t)• Include... more
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02/08/24

Complex conjugates
Find the sum of -1+6i and its complex conjugate write your answer in the form of a+biplease help
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02/08/24

I'm confused on this.
The value of Royce Company's computer equipment is decreasing in value according to the following function. y= 4000(0.87)* In the equation, x is the number of years that have elapsed since the... more
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02/07/24

How to find the width of a doubled rectangle

the Width of a rectangle is 75% of its length, the area of the triangle is 432 inches squared the length of the rectangle is doubled what percentage of the length is the width now
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02/07/24

pl help with this
Use variation to find a model for the following problem. F varies directly with m and inversely with p. F = 9 when m = 3 and p = 4. F = 
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02/07/24

Given f(x) = 3^3x − 1/12x
Use a for loop (list comprehension) to evaluate the function at x = −0.1, −0.01, −0.001, −0.0001,then at x = 0.1, 0.01, 0.001, 0.0001 to numerically estimate limx→0 f(x).(b) Plot f on the interval... more
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02/07/24

Suppose you want to build a fence around a rectangular enclosure and have 200 yards of material to use.
In addition, suppose there is a long brick wall you can use for one of thesides. Let x denote the length (in yards) of the sides perpendicular to the brick wall.(a) Write the formula for A(x), the... more
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02/07/24

find lim x→2 f(x).
If 2x − 1 ≤ f(x) ≤ x2 − 2x + 3 for x ≥ 0, find lim x→2 f(x).
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02/07/24

Evaluate the limit, if it exists.
 lim (6/t - 6/t^2 + t ) t→0
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02/07/24

A real estate company owns 120 apartments which are fully occupied when the rent is $300 per month.
A real estate company owns 120 apartments which are fully occupied when the rent is $300 per month. The company estimates that for each additional $10 a month increase in rent, live apartments will... more
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02/06/24

Graph help for tranfromation, reflection stuff. PLease help out :)
a graph of f(x)=1/4|cos(pi(x-1/2))-3| Can you tell me all that is happening here including the transformations, reflection, stretch/compression, shifts, etc, and the vertex and x/y values, and how... more
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02/06/24

Question asks to find F(-1) and then F'(x) please explain thoroughly how u would solve this, thank you!
f(x) = ∫ 1 to x^2 (as the x value range) sin(t) dt
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02/06/24

Could someone please help me solve this question? and if you could explain how as well I would really appreciate it
Approximate using three equal subintervals. Draw a picture of the graph of the function showing your rectangles. Indicate the width and height of each rectangle. Show clearly how you got your... more
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02/06/24

Use integration by parts to evaluate the integral
a. ∫cos-1xdxI did u=cos^-1x and dv=dx, so du=-1/(sqrt(1-x^2))dx and v=x. I'm not sure if this was right, but I proceeded anyway and got ∫cos-1xdx=cos-1x(x)=∫x(-1/(sqrt(1-x^2))dx. But I'm not sure... more
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02/06/24

Find the limit. Use L'Hospital's rule as needed.
limit as x approaches 0 of (x2)/(1-cosx)I started off by determining the type and got type 0/0, so I found the derivates of f(x) and g(x), which were 2x and sinx. Is the answer 0?
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