04/07/19

A cylinder shaped can needs to hold 550 cm^3 of soup. The sides of the can costs 0.03 cents per cm^2. The top and bottom of the can costs 0.06 cents per cm^2. Minimize the production cost.
Find the dimensions for the can that will minimize the production cost.Radius=?Height=?Minimum Cost=?
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04/07/19

f(x) = x √ (x^2+9) defined on the interval −4≤ x≤5. What is the inflection point? The minimum and maximum occur at x=? f(x) is concave down x= to x=? f(x) is concave up x= to x=?
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04/04/19

continuous function

Let f be the function defined by the formula f={-a+(a+b)^1/3, if x>0 , 3 if x=3, x^3+a(x-1) if x<3} Find the sum of parameters a and b for which f is continuous.
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04/02/19

what is the equation 2x+y=9 written in slope-intercept form?
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04/01/19

what is the radius of the circle x^2+y^2+9x+20=0

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03/31/19

How do you find the recursive rule of the sequence 1,1,1/3, 1/4,1/15?
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03/30/19

Let f(x)=(tan^-1x)^4. Find f'(x)
The webwork system will accept arctan(x) and not tan^-1(x) as the inverse of tan(x)
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03/29/19

Calculate the pressure in pascals exerted on a tabletop by a cube of iron that is 2.10 centimeters on each side and has a mass of 72.9 grams.
Calculate the pressure in pascals exerted on a tabletop by a cube of iron that is 2.10 centimeters on each side and has a mass of 72.9 grams.Answer should be in Pa.
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03/29/19

IF f’’ is continuous everywhere
IF f’’ is continuous everywhere If f’(-3) = 0 and f’’(-3) = 5, what can you say about f(x)? b. If f’(5) = 0 and f’’(5) = -7, what can you say about f(x)?
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03/29/19

PreCalculus Questions... I need help now!
Which of the following statement are true for the graph of f(x)=(3x)/(x^3 -9x)A) x=3 is the only vertical asymptoteB) The graph of function f has no horizontal asymptote.C) x=3 and x=-3 are... more
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03/27/19

Math 2 question
What is the nature of the roots for y=2x^2-5 ?Please help!
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03/27/19

Area and convert
I’m trying to find area of a rectangle but I have to convert from inches to meters. Should I convert first then find the area or vice versa?
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03/27/19

The object that uses up the energy deliverd in an electrical circuit is called

The object that uses up the energy being delivered in an electrical circuit is called the
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03/27/19

3400 dollars is placed in an account with an annual interest rate of 8.25%. How much will be in the account after 25 years, to the nearest cent?
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03/26/19

Is there any short way for derivative of this function: f(x)=(x−1)(x−2)(x−3)(x−4)(x−5)?
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03/25/19

find the area enclosed by y=|x+a| and y=5?
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03/24/19

Dimensional analysis problem
A = K × B2We know A is measured in Newtons and B in meters. What is the dimension of K?
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03/24/19

How can I find the equation of the tangent to x4+16∗y4=32 at (2, 1)?
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03/23/19

An arc of a circle with a diameter of 8 inches has a length of 3π. What is the measure of the corresponding central angle in radians?
A- π/4B- π/2 C- 3π/4D- π
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03/23/19

Please work out this question With the working out on it. thanks
Erin runs 3.8 km at a bearing of 059 from her house. She then changes direction to a bearing of 180 and runs until she is due east of her home. How far does she have to run if she goes straight... more
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03/23/19

Knowing two points of a rectangle, how can I figure out the other two?
Hey there guys, I'm learning processing.js, and I've come across a mathematical problem, which I can't seem to solve with my limited geometry and trigonometry knowledge or by help of Wikipedia. I... more
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03/22/19

Which data display would be best to use if you want to know the median value and how spread out a data set is?
Which data display would be best to use if you want to know the median value and how spread out a data set is?a box and whisker plota histograma dot plota scatter plotA box and whisker plot?
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03/22/19

speed and velocity
A particle moves in the xy plane with constant acceleration. At time zero, the particle is at x = 8.5 m, y = 5 m, and has velocity ~vo = (4.5 m/s) ˆı + (−2 m/s) ˆ . The acceleration is given by ~a... more
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03/22/19

speed and velocity
A particle travels to the right at a constant rate of 7.1 m/s. It suddenly is given a vertical acceleration of 2.8 m/s 2 for 4.6 s. What is its direction of travel after the acceleration with... more
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03/22/19

f(x)=(x+13)⋅ln(x+3) for x>-3 is concave upward on the interval (___,inf).
f(x)=(x+13)⋅ln(x+3) for x>-3 is concave upward on the interval (___,inf).
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