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589

help please

If Mary and Tom put their money together they have £36. If Mary's money were halved and Tom's money doubled they would have £42. How much does each of them have?

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Guest Aug 25, 2020

706

+218

is a regular decagon. The rotation centered at with an angle of alpha takes to . Given that alpha is less than 180 degrees,

is a regular decagon. The rotation centered at with an angle of alpha takes to . Given that alpha is less than 180 degrees, find alpha.

Thank you!
I don't know why the latex read more ..

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Noori Aug 25, 2020

379

equation of line

Which equation represents a line that is parallel to y= -4x+3 and passes through the point (-3,2)

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Guest Aug 25, 2020

425

math

Jahmil went Buffalo Wild Wings for lunch with two of his coworkers. He has $15 for his portion of the bill. The group decided on an appetizer that costs $11.99 that will be split 3 ways. Jahmil orders a wings combo for $9.99 and a lemonade for $2.19. He read more ..

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Guest Aug 25, 2020

323

sequence problem

In a geometric sequence of real numbers, the sum of the first 2 terms is 7, and the sum of the first 6 terms is 91. What is the sum of the first 4 terms?

Guest Aug 25, 2020

341

digits of clock

How many times do the digits of a digital clock add up to 6 in a 12 hour period?

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Guest Aug 25, 2020

664

+273

math help thanks

A class of 30 students recently took a test. If 20 students scored 80, 8 students scored 90, and 2 students scored 100, then what was the class average (the mean) on this test?

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TheEarlyMathster Aug 25, 2020

379

Any help appreciated, please give EXPLANATION, thanks!

In the coordinate plane, A = (4,-1), B = (6,2), and C = (-1,2). There exists a point Q and a constant K such that for any point P,

PA^2 + PB ^2 + PC^2 = 3PQ^2 + K
read more ..

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Guest Aug 25, 2020

354

geometry

What is the length "?"?

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Guest Aug 25, 2020

795

please help!!!

What is an equation of the line that passes through the point (-6, -7) and is perpendicular to the line 6x + 5y = 30?

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Guest Aug 25, 2020

361

someone please help me

find n if n*n!+n!=720, if n!=n*(n-1)*(n-2)...2*1

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Guest Aug 25, 2020

346

help with line

The graph of a function is a line that passes through the points (3, 17) and (6, 32). What is the equation of this function?

Guest Aug 25, 2020

348

College algebra help

Find (f+g)(x)

f(x)=3x+2, g(x)=2x+6

Guest Aug 25, 2020

350

please help

At McDonald's, you can order McNuggets in boxes of 6, 9, or 20.By ordering 2 boxes of 6, you can get 12. But you can not order 13, since no combination of 6, 9, and 20 adds up to 13.What is the greatest number of McNuggets that you can not order? read more ..

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Guest Aug 25, 2020

533

arithmetic progression

The sum of the 2nd and 7th terms of an A.P. is 30. Ifits 15th term is 1 less than twice its 8th term, find the AP

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Guest Aug 25, 2020

361

please help

I cannot figure out how to do this.

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Guest Aug 25, 2020

623

+165

help

I do not want a bad answer with no explanation from a guest.
A circle is centered at O and has an area of 48pi. Let A and B be points on the circle, and let P be the circumcenter of triangle ABO. If P is contained read more ..

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viola Aug 25, 2020

488

+165

help

Nevermind

viola Aug 25, 2020

686

+126

i've asked this question once already but a guest copied and pasted a wrong answer from an old forum...

How many 10-digit numbers are there, such that the sum of the digits is divisible by 2?

Note that the answer is not 4,500,000,000, it's asking for the SUM of the digits to be divisible by 2, not the number itself. read more ..

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uvacowdo Aug 25, 2020

397

coordinate point

Find the point P that partitions the line segment AB given the ratio. A (3, 6) B(4, 3) with the ratio 2:1

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Guest Aug 25, 2020

Aug 24, 2020

500

Can you solve?

What is the solution to the above problem? How did you solve the problem?

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Guest Aug 24, 2020

347

quadratic

Find an equation for the quadratic that passes through the points (−1,8), (2,−4), and (−6,−12).

Guest Aug 24, 2020

567

+109

Please help me asap!!

Let

read more ..

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dp1806 Aug 24, 2020

All Questions ⁺⁰234777 Questions

help please

is a regular decagon. The rotation centered at with an angle of alpha takes to . Given that alpha is less than 180 degrees,

equation of line

math

sequence problem

digits of clock

math help thanks

Any help appreciated, please give EXPLANATION, thanks!

geometry

please help!!!

someone please help me

help with line

College algebra help

please help

arithmetic progression

please help

help

help

i've asked this question once already but a guest copied and pasted a wrong answer from an old forum...

coordinate point

Can you solve?

quadratic

Please help me asap!!

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