12/01/15

precalc study question
Find all values of t in the interval [0, 2π] satisfying the given equation. (Enter your answers as a comma-separated list.)(4 cot t)2 = 48
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12/01/15

The line of the equation y=x+1 and the parabola of equation y=x^2-1 intersect at two points, P and Q.
The line of the equation y=x+1 and the parabola of equation y=x^2-1 intersect at two points, P and Q. What are the coordinates of the midpoint M of the segment PQ?
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11/30/15

How to solve for one side length on this particular acute scalene triangle? Please Help!
An acute scalene triangle has angle measures of 62 degrees, 37 degrees, and 81 degrees. The side length between the 62 degrees and 37 degrees is 28 feet. The side length between the 81 degrees and... more
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11/30/15

If 250 mg of a radioactive element decays to 190 mg in 60 hours, find the half-life of the element.
This exercise uses the radioactive decay model.
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11/29/15

what is the image point (-8.-6) after the transformation ry=x D5
after the ry-x is a circle between the D5  
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11/29/15

find the dimensions of the rectangular prism v=5y^3+31y^2+6y
find expressions for the possible dimensions of the rectangular prism ...
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11/29/15

a solution of 63% vinegar is to mixed with a solution of 23% vinegar to form 280 liters of a 50% solution. How many liters of 63% solution must be used?
can u please help me with this Question
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11/27/15

Finding the value of alpha
Given cos(alpha)=5/6 and alpha is in quadrant I, find the exact value of cos(alpha/2). Note: You are not allowed to use decimals in your answer.
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11/27/15

Evaluate the limit
lim (h --> 0) ((3 + h)-1 - 3-1)/h     ANSWER: - 1/9 Chap 2, pp13
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11/27/15

y = - x ^2/ 2 + x - 1/ 2 ; [-2, 1] , find the value of c that satisfies the mean value theorem
I am trying to understand this calculus problem but I am stuck. Please help me.
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11/27/15

find the solutons of sinx^2+2sinx-2=0
I need a step by step solution
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11/27/15

(An Alibi problem) Newton's law of cooling system state's that if an object at temperature
1. (An Alibi problem) Newton's law of cooling system state's that if an object at temperature T0 is placed into an environment that has constant temperature Te, then the temperature of the object,... more
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11/26/15

What is the end behavior of f(x)= x^3-10
F(x)= x^3-10 
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11/26/15

The equations of the asymptotes
f(x)=P-  3x/(x^2-q^2)   The equations of the asymptotes are x = 1 , x = −1 , y = 2. a)Write down the value of (i) p ; (ii) q .   (b) Let R be the region bounded by the graph of f , the x-axis,... more
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11/25/15

The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 430 years
I need help with this algebraic word problem, I on't understand what it's asking of me. 
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11/24/15

cos(11pi/12) using Sum and difference identities
could someone explain finding cos(11pi/12) using Sum and difference Identities. it must use one of... more
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11/24/15

Simplify fraction with exponents
2^-1 - 2^-2/ 2^-1 + 2^-2
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11/23/15

what is the function of cos that has an amplitude of 4, a period of 2pi and has a point at (0,2)?
I need answers with detailed steps
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11/23/15

Evaluate the integral
∫14 ( (4 + 6u)/( u1/2)) du     ANSWER: 36 #29, p404
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11/23/15

If it exists, what is Lim (f(3 +h) – f(3)) / h ? H ?0
1. Find dy/dx for y = 5x2 – 6x + 32. What is the tangent line to y = 5x2 – 6x + 3 at (0,3)?3. If it exists, what is Lim (f(3 +h) – f(3)) / h ? H →0
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11/23/15

What would the exponential equation be?
(-1,1.25) and (3,0.032) Thanks
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11/23/15

How much pure Alcohol should she add to the soultion?
Paula has 60mm of a solution that is 46% alcohol. She plans to add pure alcohol until the solution is 79% alcohol.
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11/22/15

a man is 40 years old and his son is 8 years old. in how many years will the man be 3 times as old as his son will be then?
a man is 40 years old and his son is 8 years old. in how many years will the man be 3 times as old as his son will be then?
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11/22/15

find the limit if existent when: lim(x->+infite) | x/(sqrt(1+x^2)-1)
limx→∞ x/(√(1+x2)-1)
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11/22/15

How to deal with trigonometry in application?
A utility pole is anchored to level ground by two 53 ft wires, one on each side of the pole. The wires make a 65 (degree) angle with the ground below. How far apart along the ground are the wires?
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