03/05/16

Given the function below and point P, what is the direction of the steepest ascent?
Given the function below and point P, what is the direction of the steepest ascent?   f(x)=x^2−4y^2−9
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03/05/16

coefficient help?
What's the coefficient of x^2 when 6x^2-2/5x+1 is multiplied by 10x+1/3?
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03/04/16

find the measure of an angle that is 8 degrees less than 3 times its supplement.
find the measure of an angle that is 8 degrees less than 3 times its supplement
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03/04/16

what is the probability that the circuit operates
The following circuit operates only if there is a path functional devices from left toright. The probability that each device functions is: P(A)=0.995; P(B)=0.99;P(C)=P(D)=P(E)=0.95;... more
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02/04/16

could someone help with fraction inequalities
Solve the following inequalities using the multiplication property of inequalitiesx/2≤3
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02/04/16

Probability
an unfair coin has a probability of coming up heads of 0.65. The coin is flipped 50 times. What is the probability it will come up heads 25 or fewer times? (Give answer to at least 3 decimal... more
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01/28/16

What is the sample space for this situation?
A telephone sales representative makes successive calls to potential customers, and the result of each call is recorded as a sale (S) or a no sale (N). Calls are continued until either two... more
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01/28/16

What is the probability of randomly choosing an ace from a regular deck of cards? What is the probability of choosing an ace of hearts?
There are 52 cards In a regular deck. There are 4 suits (hearts, clubs, diamonds, and spades) with 13 cards in each suit. What is the probability of randomly choosing an ace from a regular deck of... more
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01/28/16

x^(3/2) - 14x^(1/2) + 49x^(-1/2) = 0
find all real solutions.
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01/21/16

U=sqrt{5i}-8j, V=5i,j. Find the angle between the Vectors
I really need these solved
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01/07/16

Differentiation problem
Prove that  Y=H^(7x2 +3x +2) Is the solution of the differentiation equation (14x+3) Y' - Y'' = 14Y
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12/17/15

slope intercept
Write the slope intercept form of the equation of the line through the given points (0,3) and (5,-1) (3,-5) and parallel to y=-x-5
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12/17/15

If, on the first observation the system is in state 1, what is the probability that it is in state 1 on the third observation?
A Markov chain has the transition matrix shown below:P=[0.2  0.4]     [0.8  0.6]   1. If, on the first observation the system is in state 1, what is the probability that it is in state 1 on the... more
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12/16/15

Prove that an integer n>1 is a prime if and only if all of the binomial coefficients C(n,k) (1<k<n) are divisible by n
Prove that an integer n>1 is a prime if and only if all of the binomial coefficients C(n,k) (1<k<n) are divisible by n
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12/12/15

Calculus- What is the work required?
A cable that weight 1.5kg/meter and is attached to a bucket that weight 75kg. Initially there are 500kg of grain in the bucket and as the bucket is raised 2kg of grain leaks out of the hole in the... more
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12/11/15

Differentiate : y = x^2/x (PRAC TEST 2)
Differentiate :   x2/x     ANSWER: 2( 1 - ln(x)) * x2/x - 4/2 #38, practice test
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12/08/15

Word problem
If you double President Reagans ago at the time of his first inauguration and subtract his age at the time he died , the result is 45 years. He was 69 at his first inauguration. How old was... more
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12/08/15

Label the following as a function or NOT a function?
Is this a function?     (3,5)(-1,4)(2,5)(0,0)
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12/08/15

Find the slope?
a.through     (-2,1),(3,-2)     b.through (0,-2),(5,-1)
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12/08/15

Statistics Help Please
Could someone assist me with this please!!!!   Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. The design of... more
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11/22/15

solve using quadratic formula x^2-3x+5=0
wHAT WOULD BE THE ANSWER FOR THIS EQUATION USING SOME RULES OF IMAGINARY NUMBERS. IT WILL BE ALRIGHT IF ANSWER WILL BE IN FRACTION. PLEASE SOLVE AND TELL ME THE ANSWER AND BRIEF DESCRIPTION OF... more
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11/21/15

sample size used?
The poll conducted by media and other agencies use a 95% confidence. Where n is the sample size. Suppose =0.36 is the proportion of those in the sample who approve of the way the President is... more
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11/21/15

SB 7.12 probability
12. Find the probability of rolling a prime number when a die is rolled.   a) 1/2 b) 1/3 c) 0 d) 1/6
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11/20/15

cotx=-sqrt3, cosx<0, tan(x-pi/6)
cotx=-√3, cosx<0, tanx(x-Π/6) find the exact value
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11/19/15

Proof by mathematical induction.
Proof by mathematical induction that for every integer h ≥ 0 there exists binary tree of height h with 2h leaves.
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