03/20/19

Find the length of the shortest altitude of a triangle with sides of lengths $15$, $20$, and $25$.
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03/20/19

The longer leg of a right triangle is three times as long as the shorter leg. The hypotenuse is $\sqrt 5.$ What is the area of this triangle?
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03/20/19

what are the lengths of the right triangle?
A right triangle has side lengths 7, 24, and 25 as shown below.Use these lengths to find tanB, sinB, and cosB.
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03/20/19

Suppose f(t)=6t^3+7t^2+3t−4. Find the value of t in the interval [4,10] where f(t) takes on its minimum value.
 Suppose f(t)=6t^3+7t^2+3t-4. Find the value of t in the interval [4,10] where f(t) takes on its minimum value.
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03/20/19

A car's wheels are 36 in. in diameter. How far (in mi) will the car travel if its wheels revolve 10,000 times without slipping? (Round your answer to two decimal places).
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03/20/19

Describe in words how to write a perfect square trinomial as a perfect square.

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03/20/19

Area and perimeter
Tavares drew a rectangle.the rectangle area is 48 square centimeters and its kength is 8 centimeters more than its width. Label the rwctangle to tell its length and width
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03/20/19

Are the points (π/2) and (3π/2) undefined or zero on a cot function?
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03/19/19

How would you completely factor: a(x) =8x^3 - 12x^2 + 18x -27 without knowing any of the roots?
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03/19/19

Are all highly composite numbers even?
A highly composite number is a positive integer with more divisors than any smaller positive integer. Are all highly composite numbers even (excluding 1 of course)? I can't find anything about this... more
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03/19/19

A bird feeder holds 2⁄3 cup of birdseed. If the bird feeder is filled with a scoop that holds 1⁄6 cup, how many scoops of birdseed is put into the feeder? scoops
dividing two fractions word problems
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03/19/19

Expressions, Equations
A. Steven wrote an expression with 2 terms. The second term, which is the whole number 7, is subtracted from the first term. The first term is the product of 2 and the quantity of the sum of twice... more
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03/19/19

Median of 5 sorted arrays?
I am trying to find the solution for median of 5 sorted arrays. This was an interview questions. The solution I could think of was merge the 5 arrays and then find the median [O(l+m+n+o+p)]. I... more
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03/19/19

Median of 5 sorted arrays?
I am trying to find the solution for median of 5 sorted arrays. This was an interview questions. The solution I could think of was merge the 5 arrays and then find the median [O(l+m+n+o+p)]. I... more
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03/19/19

Centroid of convex polyhedron?
I have a closed convex polyhedron which is defined by an array of convex polygons (faces) which are defined by arrays of vertices in 3D space. I'm trying to find the centroid of the polyhedron,... more
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03/19/19

Fraction word problem

1/3 of the pizza has cheese. 1/4 of the cheese is American and 1/6 mozzarella. How much mozzarella cheese is on the pizza?
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03/19/19

Write a function for a stream word problem.
The river flows at 1.5 meters per second.Write a rational function rule for the total time required to travel a distance d downstream and back in a river flowing at a rate vr
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03/19/19

What is a the fastest sorting algorithm for an array of integers?
I have come across many sorting algorithms during my high school studies. However, I never know which is the fastest (for a random array of integers). So my questions are: - Which is the fastest... more
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03/19/19

How are we able to calculate specific numbers in the Fibonacci Sequence?
I was reading up on the Fibonacci Sequence, $\ ext {{1,1,2,3,5,8,13,....}}$ when I've noticed some were able to calculate specific numbers. So far I've only figured out creating an array and... more
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03/19/19

Show that the following set {x∈N | x mod 15 = 11} is countable by establishing a bijection between the set and N

Show that the following set {x∈N | x mod 15 = 11} is countable by establishing a bijection between the set and N
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03/19/19

I can't remember a fallacious proof involving integrals and trigonometric identities.?
My calc professor once taught us a fallacious proof. I'm hoping someone here can help me remember it. Here's what I know about it: - The end result was some variation of 0=1 or 1=2. - It... more
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03/19/19

A sound of 80 dB is 45 times louder than a weaker sound. What is the loudness of the weaker sound?
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03/19/19

How do I prove mod X is equal to mod of minus X?
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03/19/19

Average number of guesses to guess number between 1 and 1000?
There is a game where you get to pick a number between 1 and 1000 and then the system will tell if you guessed to high or too low. Using a binary search you can find the answer in a maximum of ten... more
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03/19/19

Proving that the sum of any two sides of the triangle is greater than the third side?
I know it's easy to prove with the help of linear inequalities, but this time I want to prove it with the help of trigonometry. Is it possible? If yes, then how?
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