All Questions

561

+12

i just created a new account so decided to post a question

let x and y be distinct real numbers such that

find x+y

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nuclear0wl Aug 19, 2020

377

algebra

x and y are nonzero real numbers such that x^2 + xy + y^2, find the value of (x^2001 + y^2001)/(x + y)^2001.

Guest Aug 19, 2020

546

arithmetic sequence

What is the first term if the 10th term of an arithmetic sequence is 39 and the 15th term is 59

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Guest Aug 19, 2020

571

complex numbers

Evaluate (4+2i )/( -1+i)

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Guest Aug 19, 2020

368

please help

Consider a coordinate plane with the points A(-3, 0) and B(3, 0). For how many points X in the plane is it true that XA and XB are both positive integer distances, each less than or equal to 5?

Guest Aug 19, 2020

627

+140

help plz!!

Expand the product .

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Creampuff Aug 19, 2020

534

Please help ASAP!

Compute (0.2)*(0.4)*(0.6). Express your answer as a decimal

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Guest Aug 19, 2020

509

algebra

Find the inverse function of f(x) = (3x + 1)/(x - 2).

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Guest Aug 19, 2020

439

Math Help

Please Help me on this

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Guest Aug 19, 2020

577

help with triangle

Find the value of x.

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Guest Aug 19, 2020

663

algebra question

A student performed the division of (x^3 + 2x - 3) divided by (x - 2) using synthetic division. Their work is shown below(picture). Did the student make any mistakes?
A. The student was correct. No mistakes were made.
B. The student should read more ..

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Guest Aug 19, 2020

1773

An analogue signal is sampled every 160 µs to convert it into a digital representation.

An analogue signal is sampled every 160 µs to convert it into a digital representation. What is the corresponding sampling rate expressed in kHz?
According to the Sampling Theorem, for this sampling rate, what will approximately be the highest frequency read more ..

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Guest Aug 19, 2020

863

What is the sum of all the three-digit positive integers?

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Guest Aug 19, 2020

726

Write an equation for a line perpendicular to y = − 3 x + 5 and passing through (5, -6).

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Guest Aug 19, 2020

523

plz help

Point $P$ lies on the line $x= -3$ and is 10 units from the point $(5,2)$. Find the product of all possible $y$-coordinates that satisfy the given conditions.

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Guest Aug 19, 2020

541

graphing question

What is the equation of the graph below.

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Guest Aug 19, 2020

546

Confusion?

Can anyone give me any insight to how to do this problem?

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Guest Aug 19, 2020

415

Help PLEASE!!! Due tomorrow!

What is the smallest positive $n$ such that $\frac{n}{2010}$ is a terminating decimal?

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Guest Aug 19, 2020

2730

In the diagram below, $\angle PQR = \angle PRQ = \angle STR = \angle TSR$, $RQ = 8$, and $SQ = 2$. Find $PQ$.

This question has been asked in many other places as well but they're all wrong or unanswered, one of which is: https://web2.0calc.com/questions/plz-help-and-its-not-8-2-whoever-said-that
thanks for any help

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Guest Aug 19, 2020

620

help, i have no idea

In a survey of 2000 people, 68% of the respondents were male and the remaining 32% were female. If 65% of the respondents had maths degrees, what is the minimum number of males with maths degrees?

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Guest Aug 19, 2020

670

+273

3rd Question of the 1st Math Web2.0calc forum Questions Contest Hosted by Qwerty!!!

Chris labels every lattice point in the coordinate plane with the square of the distance from the point to the origin (a lattice point is a point such that both of its coordinates are integers). How many times does he label a point with the number 25? read more ..

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qwertyuiopasdfghjkl Aug 19, 2020

393

counting problem

Jeff is choosing three numbers from the set {1, 2, 3, ..., 12}. How many ways can Jeff choose three numbers, so that no two chosen numbers are consecutive?

Guest Aug 19, 2020

744

+273

With ilorty in the lead of the 1st Math Web2.0calc forum Questions Contest Hosted by Qwerty, WHO WILL BE NEXT TO TIE UP THE LEAD????

An airplane's departure is delayed half an hour, but the flight time is reduced by 10% due to favorable winds. If the flight ends up landing at its destination at the same time it would have landed if there had been no winds and no departure delay, how read more ..

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qwertyuiopasdfghjkl Aug 19, 2020

712

+1982

What is the slope of the line?

What is the slope of the line?

read more ..

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macabresubwoofer Aug 19, 2020

948

help needed

In the diagram below, AD = AE, BA || CE, CB || DA andmDAE=56º. Find mBCD

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Guest Aug 19, 2020

All Questions ⁺⁰237795 Questions

i just created a new account so decided to post a question

algebra

arithmetic sequence

complex numbers

please help

help plz!!

Please help ASAP!

algebra

Math Help

help with triangle

algebra question

An analogue signal is sampled every 160 µs to convert it into a digital representation.

What is the sum of all the three-digit positive integers?

Write an equation for a line perpendicular to y = − 3 x + 5 and passing through (5, -6).

plz help

graphing question

Confusion?

Help PLEASE!!! Due tomorrow!

In the diagram below, $\angle PQR = \angle PRQ = \angle STR = \angle TSR$, $RQ = 8$, and $SQ = 2$. Find $PQ$.

help, i have no idea

3rd Question of the 1st Math Web2.0calc forum Questions Contest Hosted by Qwerty!!!

counting problem

With ilorty in the lead of the 1st Math Web2.0calc forum Questions Contest Hosted by Qwerty, WHO WILL BE NEXT TO TIE UP THE LEAD????

What is the slope of the line?

help needed

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