04/29/19

The density of aluminum is 2800kg2800kg/m^3m 3 . What is the mass of a solid cube of aluminum with side lengths of 0.50.5 meters? M=
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04/29/19

a,b,c are positive real numbers with abc=1 then prove that (a / a+b⁴+c⁴) + (b / a⁴+b+c⁴) + (c / a⁴+b⁴+c)＜=1
a,b,c are positive real numbersabc=1prove that (a / a+b⁴+c⁴) + (b / a⁴+b+c⁴) + (c / a⁴+b⁴+c)＜=1
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04/29/19

What’s the extraneous

What’s the extraneous solution of 3/c -1/12=5/2c
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04/29/19

Given the geometric sequence-3, x, y, 192, ..., find the values of x and y.
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04/29/19

Solving a word problem using quadratic equation with irrational roots
h=5+35t-16t2
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04/29/19

largest fraction of numbers less than 55 and more than 105 with the mean of 80 and the standard deviation of 5
largest fraction of numbers less than 55 and more than 105 with the mean of 80 and the standard deviation of 5
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04/28/19

Find median of unsorted array in $O(n)$ time?
To find the median of an unsorted array, we can make a min-heap in O(n log n) time for n elements, and then we can extract one by one n/2 elements to get the median. But this approach would take... more
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04/28/19

If M varies inversely as the cube of r, and M = 8 when R = 4
A) Find the constant of variationB) Find M when r = 5
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04/28/19

What is one half a number increased by three is greater than zero or less than or equal to negative three?
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04/28/19

A triangular garden has dimensions represented by consecutive even numbers. If the garden used 126 feet of fencing to surround it, what are the dimensions?
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04/28/19

The sum of twice a number and 10 is between 14 and 20.
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04/28/19

What is cos(41) in terms of sine?
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04/28/19

Is f(x) =x^3-2 an inverse function? Why or why not?
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04/28/19

The price of a gallon of unleaded gas was $2.85 yesterday. Today, the price Rose to do $2.90. The find the percentage increased. Round you answer to the nearest tenth
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04/28/19

−1⋅f(−8)−4⋅g(4)=?
How do I do this? Does anyone know the answer?
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04/28/19

A television screens diagonal length is 38 inches. The width is 6 inches more than the height. Find the dimensions of the screen.
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04/28/19

What is the domain of f(x,y)=ln(xy)?
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04/28/19

Heather is 5 feet,3 inches tall.how many inches tall is heather?
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04/28/19

Please help...Thank you
Assume that adults have IQ scores that are normally distributed with a mean of u equals 105μ= and a standard deviation sigma equals 20σ=. Find the probability that a randomly selected adult has an... more
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04/28/19

Statistics...please help me. Thank you.
The claim is that the proportion of peas with yellow pods is equal to 0.25​ (or 25%). The sample statistics from one experiment include 490peas with 101of them having yellow pods. Find the value of... more
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04/28/19

Buffered vs unbuffered IO?
I learned that by default I/O in programs is buffered, i.e they are served from a temporary storage to the requesting program.I understand that buffering improves IO performance (maybe by reducing... more
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04/28/19

2y < -12x +4 y< -6x +4
Which point is a solution to the system
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04/28/19

Given an integer, how do I find the next largest power of two using bit-twiddling?
If I have a integer number `n`, how can I find the next number `k > n` such that `k = 2^i`, with some `i` element of `N` by bitwise shifting or logic.Example: If I have `n = 123`, how can I find... more
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04/28/19

Ruby capitalize every word first letter?
I need to make the first character of every word uppercase, and make the rest lowercase... manufacturer.MFA_BRAND.first.upcaseis only setting the first letter uppercase, but I need this: ALFA... more
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04/28/19

What is stability in sorting algorithms and why is it important?
I'm very curious, why stability is or is not important in sorting algorithms?
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