10/21/15

How many liters...
How many liters of a 79% glycol solution must be added to 72 liters of a 34% glycol solution to get a 63% glycol solution?
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10/21/15

Find equations of both lines that are tangent to the curve y = 1 + x^3
and parallel to 12x - y = 1 #55, p182
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10/21/15

Given the function h(t)= 3t-1/2t^2-11t+5, find the domain and express your answer in set builder or interval form.
Given the function h(t)= 3t-1/2t^2-11t+5, find the domain and express your answer in set builder or interval form.
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10/21/15

You'reRidingAnElevatorHoldingASpringScaleW/A1kgMassSuspendedFromIt.ThenScaleReads9.3N.WhatIsAccelerationOnElevator?
Physics Question 
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10/21/15

A block has a mass of 1.2kg and a sphere has a mass of 3.0kg. What are the readings of the two scales? (Neglect the masses of the scales)
Physics question
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10/21/15

Differentiate : 2x * log10(x^1/2)
Differentiate : 2x * log10(√x) #21, p223
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10/19/15

The half-life of cesium-137 is 30 years. Suppose we have a 100-mg sample.
9. The half-life of cesium-137 is 30 years. Suppose we have a 100-mg sample. (a) Find the mass that remains after years.(b) How much of the sample remains after 100 years?(c) After how long will... more
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10/14/15

What is h'(0)? and What is j'(1)?
Let h(x)=g(x)sin x and j(x)=[f(x)+x^2]^3 If g(0)=9, g'(0)=-3, f'(1)=2
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10/13/15

Differentiate H(u) = (u - sqrt(u)) (u + sqrt(u))
Differentiate H(u) = (u - sqrt(u)) (u + sqrt(u))
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10/13/15

Find the differential of each function.
y = (2-v^2)/ (2 + v^2)
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10/13/15

Find the derivative
g(x) = cosh(ln(x))
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10/12/15

Find an equation of the tangent line to the curve at the given point.
y = sec x, at (3, 2)   I know I need to find the derivative obviously but I'm struggling with it
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09/30/15

differentiate y=sec(0) tan(0)
Please help me 
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09/29/15

find the derivative of the function f(t)= e^at sin bt
Please help me
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09/24/15

h(t)=16t^2+30t
A scoop in field hockey is a pass that propels the ball from the ground into the air. Suppose a player makes a scoop with an upward velocity of 30 ft/sec. The function h(t)=16t^2+30t models the... more
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09/23/15

The molar mass of aspirin is 180.16 g/mol. What is the theoretical yield in grams, for the aspirin she theoretically obtained above using 4.02 g of SA?
The molar mass of aspirin is 180.16 g/mol. What is the theoretical yield in grams, for the aspirin she theoretically obtained above using 4.02 g of SA? What is the percent yield?
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09/21/15

The slope of the tangent line to the curve y=3 vx
The slope of the tangent line to the curve y=3 √x at the point (8, 8.4853) is  m=? The equation of the tangent line can be written in the form y = mx+b where m=? and b=?
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09/21/15

Find the horizontal limit(s) of the following function: f(x)= (9x^3-8x^2-8x)/(7-8x-7x^3)
Find the horizontal limit(s) of the following function:   f(x)= (9x^3-8x^2-8x)/(7-8x-7x^3)   I know that one of the horizontal limits is the -9/7, but I'm still missing one and can't find it,... more
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09/21/15

What value for f(0) would make f(x) continuous at x=0
               5/x + (-4x+5)/x(x-1) if x≠0,1 Let f(x)=   7   if x=0   What value for f(0) would make f(x) continuous at x=0 Must redefine f(0)=?   Please list all steps... plzzz!!!
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09/13/15

Help! Calculus question
In 1960 there were 238,950 immigrants admitted to a country. In 2009 the number was 1,073,319. Write an equation expressing immigrants y, in terms of t, the number of years after 1900
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09/07/15

limits. with fractions in the numerator
lim x→0    (1/4)-(1/(x+4))         x   Step 1 would be to get common denominators on the top so....        (1/4)  - (1/(x+4))   =     1   -  1      = 1 (x+4)    -  1(4)         x            x... more
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05/27/15

General solution of differential equation?
What is the general solution of (2+x)y'=3y? I've gotten to e^((1/3)lny) = e^(ln(2+x)+c) , but I don't know how to simplify it further.
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04/29/15

If there are 24 students in the class, how many different groups are possible?
A teacher divides his class into new groups of 4 students each week.
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03/03/15

money problem
mensewar orderded short sleeve shirts for 23.00 each and long sleeve shirts for 28.50 each from Hugo boss. if the total amounted to 9,862.50 for 375 shirts how many of each were ordered
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03/03/15

An investment of $6,000 is earning 4% interest compounded annually. How long will it take for the investment to double? (Round your answer the whole number)
An investment of $6,000 is earning 4% interest compounded annually. How long will it take for the investment to double? (Round your answer the whole number) 
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