Raymond B.

03/19/19

Interpret Bayesian probability as frequentist probability?

It is usually said that the Bayesian probability is a subjective concept, quantifying one's degree of belief in something, while the frequentist probability is the the fraction of certain outcomes... more

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Sat Math

03/18/19

How do I solve this other than using sin^2+cos^2=1?

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Algebra

03/18/19

Algebra: solving systems

A garden is 4 feet longer than three times it’s width. If the perimeter of the garden is 64 feet, what is the length? (Hint: Use 3w + 4 and a to represent the length and width.)

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College Algebra

03/17/19

An appliance store decreases the price of a 19-in. TV set 21% to a sale price of $500.47. What was the original price?

An appliance store decreases the price of a 19-in. TV set 21% to a sale price of $500.47. What was the original price? Round to nearest cent

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Algebra

03/17/19

Compute the probability of each of the following events

Event A: The sum is greater than 8. Event B: The sum is divisible by 6

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Algebra

03/17/19

The difference between 14 and a number is 7 more than twice the number

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Precalculus

03/15/19

Is f(x) = 2x an injective function?

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Precalculus

03/15/19

How do I solve analytically x=ln(1−x)x=ln⁡(1−x)?

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Precalculus

03/15/19

Determine the value of A so that x+1 is a factor of x^3+k^2x^2-2Ax-16. What is the solution to this?

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Precalculus

03/15/19

How can I prove that (CSC^2x) (secx) = secx + cscx (cotx) by working the left side only?

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Precalculus

03/14/19

If f(x)=x2−25x−5f(x)=x2−25x−5, then is it possible to find f′(5)f′(5) since x≠5x≠5for the original function?

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Philosophy Logic Truth

03/14/19

What is the difference (if any) between "not true" and "false"?

A fairly simple question I hope someone can help me with.

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Trigonometry

03/14/19

The line with the equation B + 2a =0 coincides with the terminal site of an angle X in standard position in quadrant IV what is tangent X

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Calculus Derivatives

03/14/19

Is the derivative function typically "worse" than the original function?

For instance, the absolute value function is defined and continuous on the whole real line, but its derivative behaves like a step function with a jump-discontinuity. For some nice functions,... more

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Algebra

03/13/19

MATH HELP PLEASE

It took Barry 5 hours to travel to NY. He travelled by bus and plane for a total distance of 1320km. If the bus averaged 40km/h and the plane averaged 600km/h, how long did Barry spend on the plane... more

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College Algebra

03/13/19

I need help solving this equation

The temperature T, in degrees Fahrenheit, t hours after 6 AM is given by: T(t) = − 1 2 t 2 + 8t + 32, 0 ≤ t ≤ 12 What is the warmest temperature of the day? When does this happen?

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Elementary Math

03/12/19

Number problems and Consecutive

Set up the equation for the following word problem and solve the equation. Let x be the unknown number. -84 times a number minus 5 is equal to -28 less than the number

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Math Algebra

03/12/19

What is the equation of a line that is parallel to y=3/5x-7 and passes through (15,8)

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Algebra Conventions For Roots

03/12/19

I'm asking about conventions of roots, the length of the bases and heights when the area is given.

The area of an animal pen is 30 square feet, what are the lengths of the pen's side if the pen is a right triangle with a height five times the length of the base.

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Ratios

03/11/19