2187 results for "find".
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Question in College Algebra for STEM
Using a given list of four complex numbers, find by inspection the one that is a root of a given cubic real polynomial and hence find the other roots.
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Question in Trignometry
Finding unknown sides/angles in right-angled triangles.
Version 1: b,c known
Version 2: a,x known
Version 3: a,y known
Version 4: b,x known
Version 5: b,a known
Version 6: c,a known
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Question in Statistics
Two numbers are drawn at random without replacement from the numbers m to n.
Find the probability that both are odd given their sum is even.
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Question in Statistics
Question on the exponential distribution involving a time intervals and arrivals application, finding expectation and variance. Also finding the probability that a time interval between arrivals is less than a given period. All parameters and times randomised.
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Question in Statistics
Exercise using a given uniform distribution $X$, calculating the expectation and variance. Also finding $P(X \le a)$ for a given value $a$.
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Question in Calculus Math 5A
The derivative of $\displaystyle \frac{ax+b}{cx^2+dx+f}$ is $\displaystyle \frac{g(x)}{(cx^2+dx+f)^2}$. Find $g(x)$.
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Question in Calculus Math 5A
The derivative of $\displaystyle \frac{ax+b}{\sqrt{cx+d}}$ is $\displaystyle \frac{g(x)}{2(cx+d)^{3/2}}$. Find $g(x)$.
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Question in Calculus Math 5A
The derivative of $\displaystyle \frac{ax^2+b}{cx^2+d}$ is $\displaystyle \frac{g(x)}{(cx^2+d)^2}$. Find $g(x)$.
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Question in Statistics
A weighted coin with given $P(H),\;P(T)$ is tossed 3 times. Let $X$ be the random variable which denotes the longest string of consecutive heads that occur during these tosses. Find the Probability Mass Function (PMF), expectation and variance of $X$.
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Question in Statistics
Application of the binomial distribution given probabilities of success of an event.
Finding probabilities using the binomial distribution.
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Question in Statistics
Given a table of the number of days in which sales were between £x1000 and £(x+1)1000 find the relative percentage frequencies of these volume of sales.
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Question in Statistics
Given random set of data (between 13 and 23 numbers all less than 100), find their stem-and-leaf plot.
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Question in Statistics
Simple probability question. Counting number of occurences of an event in a sample space with given size and finding the probability of the event.
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Question in Statistics
Find a regression equation.
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Question in Statistics
Find a regression equation.
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Question in Statistics
Given mean and sd of 1000 sample returns on a scale of 1 to 7 together with a given score, find the z-score.
Also find the 95% confidence interval for the population mean.
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Question in Statistics
Finding the confidence interval at either 90%, 95% or 99% for the mean given the mean of a sample. The population variance is given and so the z values are used. Various scenarios are included.
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Question in Calculus Math 5A
Finding the stationary points of a cubic with two turning points
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Question in Calculus Math 5A
Finding the stationary points of a rational function with specific features.
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Question in Trignometry
Find the $x$ and $y$ components of a force which is applied at an angle to a particle. Resolve using $F \cos \theta$. The force acts in the positive $x$ and positive $y$ direction.
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Question in Trignometry
Find the tension in a rope necessary to prevent a bracket from rotating by applying $\Sigma M = 0$.
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Question in Trignometry
Find the sum of two 2-dimensional vectors, graphically and exactly using the parallelogram rule.
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Question in Trignometry
Add three vectors by determining their scalar components, summing them and then resolving the rectangular components to find the magnitude and direction of the resultant
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Question in Trignometry
Given three vectors with integer components, find the corresponding magnitude and direction.
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Question in Trignometry
Add three vectors by determining their scalar components, summing them and then resolving the rectangular components to find the magnitude and direction of the resultant.
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Question in Calculus Math 5A
Find $\displaystyle \int \frac{a}{(bx+c)^n}\;dx$
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Question in Calculus Math 5A
Find $\displaystyle \int \frac{a}{(bx+c)^n}\;dx$
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Question in College Algebra for STEM
Differentiate between linear and quadratic sequences and arithmetic and geometric sequences through a series of multiple choice questions. Spot different patterns in sequences like the triangle sequence, square sequence and cubic sequence and then use this pattern to find the next three terms in each of the sequences.
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Question in College Algebra for STEM
Find the common ratio of a given geometric sequence, write down the formula for the nth term and use it to calculate a given term in the sequence.
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Question in College Algebra for STEM
This question tests the student's knowledge of the remainder theorem and the ways in which it can be applied.