All Questions ⁺⁰237784 Questions

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589

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For the function g(x)=x^3-2x^2-1, at what tangent point is the instantaneous rate of change equal to -1?

For the function g(x)=x^3-2x^2-1, at what tangent point is the instantaneous rate of change equal to -1?

Guest Nov 24, 2018

+2

912

13

+847

Functions Help!

Let f(x)=ax+b, where a and b are real constants, and g(x)=2x-5. Suppose that for all x, it is true that . What is a+b?

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ant101 Nov 24, 2018

-1

1100

12

+158

Strange Q

Two different numbers are selected simultaneously and at random from the set {1, 2, 3, 4, 5, 6, 7}. What is the probability that the positive difference between the two numbers is 2 or greater? Express your answer as a common fraction. read more ..

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tanmai79 Nov 24, 2018

+1

1986

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A Fun Question...

For what fraction of a day wil a 12 hour digital clock that shows only the hours and minutes display at least one 5 or 6

Guest Nov 24, 2018

-1

1154

20

+158

Quote from Zeno of Elea

I leave you to ponder this quote:

Suppose you wish to walk across the street. To get to the other side, you must go half of the way across the street. But first, you must walk half-way to the point that is half of the way across read more ..

off-topic

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tanmai79 Nov 24, 2018

+3

881

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+205

Guess who's back!

Hey guys,

I doubt you remember me, but for a period of time back in 2014 I joined this site and posted daily riddles. I'd actually forgotten the site even existed until I recently came across the old computer I'd used at the read more ..

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awesomenes Nov 24, 2018

+1

649

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Scalene Triangle

There is a scalene triangle with angles A, B, and C. Angle B is 145 degrees. Side length AB is 1017.5 cm long, and side length AC is 2035 cm long. Find angle C.

(Side AC is directly opposite of angle B)
read more ..

Guest Nov 24, 2018

+2

821

5

The town of Hamlet has $3$ people for each horse, $4$ sheep for each cow, and $3$ ducks for each person. Which of the following could not po

The town of Hamlet has 3 people for each horse, 4 sheep for each cow, and 3 ducks for each person. Which of the following could not possibly be the total number of people, horses, sheep, cows, and ducks in Hamlet?

Answer read more ..

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Guest Nov 24, 2018

0

845

1

+845

Differentiation by first principle

please explain. thanks

YEEEEEET Nov 24, 2018

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897

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+160

proof: product of four adjacent positive integers cannot be a perfect square number

how do i prove that the product of four adjacent positive integers cannot be a perfect square number?

hearts123 Nov 24, 2018

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864

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+160

diophantine equations proof question

given positive integers x y and z
they satisfy the following equations:
7x^2 - 3y^2 + 4z^2 = 8
16x^2 -7y^2 + 9z^2 = -3 read more ..

hearts123 Nov 24, 2018

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