06/21/22

how do i do this word problem?
The function d(t)=8t^2 +16, models the distance in km that a motorcycle travels in t hours.Determine the motorcycle’s average speed from a time of 2 hours to a time of 4 hours andcompare that to... more
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06/20/22

A truck with 48-in.-diameter wheels is traveling at 45 mi/h.

(a) Find the angular speed of the wheels in rad/min.(b) How many revolutions per minute do the wheels make?
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06/20/22

The wheels of a car have radius 13 in. and are rotating at 800 rpm. Find the speed of the car in mi/h.
I have tried entering in 62, 61.8, and 61.9 as answers but all were wrong.
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06/20/22

Given q'(r) = -r^(-1/2), what is a possible expression for q(r)?
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04/25/22

Come up with a way to produce the set A⊂ℚ (then B=ℚ∖A) out of the sequence of (rational) numbers {a_n}.
Let {a_n} be a Cauchy sequence. The equivalence class of this sequence is a real number. Construct the Dedekind cut (A|B) which presents this real number.Specifically, you need to come up with a... more
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04/21/22

Find a compound proposition involving propositional variables a , b , c , and d that is true precisely when at least two of a , b , c , and d are true.

Explain in one or two sentences how you got your compound proposition and why your answer works.
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04/20/22

Sketch a graph of f ( x ) = ⎧ ⎪ ⎨ ⎪ ⎩ 1 if x ≤ − 2 − x − 1 if − 2 < x ≤ 2 − 2 if x > 2
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04/17/22

May you help me please
A manufacturing company has 100 forklifts to apportion among three factories. The forklifts are to be apportioned based on the number of employees at each factory as shown in the table... more
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04/15/22

A committee of 4 is to be selected from a group of 30 people. How many different committees are possible given the following conditions?
There is no distinction between the responsibilities of the members  One person is the chair and the rest are general members  Each person is assigned to a particular duty based on what order they... more
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04/05/22

Find the Taylor series, centered at c=6, for the function f(x)=1x. f(x)=∑n=0∞ __ . The interval of convergence is: ___
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03/02/22

Spanning Trees Discrete Math
Given G = ( { a, b, c, d, e, f }, E ) and |E| = 15, how many spanning trees can be formed from G if G is undirected?Answer: _ _ _ _ _
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10/06/21

what is the probability that the flip resulted in a​ head?

An unfair coin with​ Pr[H] = 0.3 is flipped. If the flip results in a​ head, a marble is selected at random from a urn containing seven red and three blue marbles.​ Otherwise, a marble is selected... more
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07/23/21

Determine the equation of a sinusoidal function that would model this function, assuming Owen reaches his first maximum at 6 seconds.
Owen is jumping on a trampoline. When his feet hit the deck of the trampoline, the material depresses to a minimum height of 200cm every 10 seconds. Determine the equation of a sinusoidal function... more
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05/20/21

Suppose you receive for graduation a gift of $1200 from your favorite relative. You are required to invest at least $800 of the gift in a no-withdrawal savings program for at least two years.
Plan B: Employee's credit union (ECU) also has some plans in which interest is compounded continuously. You are still comparing with an investment of $1000 at 6% annual interest at First Savings... more
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04/20/21

A helicopter flies

A helicopter flies from the airport on a course with a bearing of 34 degrees. After flying for 50 miles, the helicopter changes course and flies on a bearing of 162 degrees. The helicopter flies... more
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