mathlete2008

20 Questions
22 Answers

+1

2134

2

+122

In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from to , and one SuperBall is drawn (at random)

In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from to , and one SuperBall is drawn (at random) from ten red balls numbered from to . When you buy a ticket, you choose three read more ..

mathlete2008 Oct 10, 2020

0

1222

1

+122

What is the greatest common factor of 5!, 10!, and 15!?

What is the greatest common factor of 5!, 10!, and 15!?

mathlete2008 Jul 6, 2020

0

1075

2

+122

Plz help!

License plates from different states follow different alpha-numeric formats, which dictate which characters of a plate must be letters and which must be numbers. Florida has license plates with an alpha-numeric format like the one pictured. North Dakota, read more ..

mathlete2008 Jul 6, 2020

+1

699

3

+122

How many four-digit numbers satisfy all of the following conditions?

How many four-digit numbers satisfy all of the following conditions?
1.
2. is a multiple of
3. read more ..

mathlete2008 Jul 1, 2020

0

607

2

+122

plz help

License plates from different states follow different alpha-numeric formats, which dictate which characters of a plate must be letters and which must be numbers. Florida has license plates with an alpha-numeric format like the one pictured. North Dakota, read more ..

mathlete2008 Jun 30, 2020

+1

1422

1

+122

How many 3-digit numbers have the property that the units digit is at least twice the tens digit?

How many 3-digit numbers have the property that the units digit is at least twice the tens digit?

mathlete2008 Jun 30, 2020

-1

1512

1

+122

In how many ways can 81 be written as the sum of three positive perfect squares if the order of the three perfect squares does not matter?

In how many ways can 81 be written as the sum of three positive perfect squares if the order of the three perfect squares does not matter?

mathlete2008 Jun 30, 2020

0

1599

1

+122

Find all pairs $(x,y)$ of real numbers $(x,y)$ such that $x + y = 10$ and $x^2 + y^2 = 56$.

Find all pairs $(x,y)$ of real numbers $(x,y)$ such that $x + y = 10$ and $x^2 + y^2 = 56$.

mathlete2008 May 5, 2020

0

2315

8

+122

Find all values of x such that \frac{2x}{x + 2} = -\frac{6}{x + 4}. If you find more than one value,

Find all values of x such that
If you find more than one value, then list your solutions, separated by commas.

●●●●●●●●

mathlete2008 May 5, 2020

0

1118

1

+122

Find all values of x such that (9 + 27)/x + 8/(x^2) = 0 If you find more than one value,

Find all values of x such that (9 + 27)/x + 8/(x^2) = 0
If you find more than one value, then list your solutions, separated by commas.

mathlete2008 May 5, 2020

+122

+1

I fixed the question.

mathlete2008May 5, 2020

+122

+1

"It" being the answer "x = sqrt(10) - 2, -sqrt(10) - 2."

mathlete2008May 5, 2020

+122

+1

Yeah, sorry.

mathlete2008May 5, 2020

+122

+1

It said it was wrong.

mathlete2008May 5, 2020

+122

0

It said it was wrong.

mathlete2008May 5, 2020

+122

0

I can't figure out the height.

mathlete2008May 5, 2020

+122

0

Never mind. Sorry!

mathlete2008May 4, 2020

+122

+1

Thanks!

mathlete2008May 4, 2020

+122

0

It said it was wrong.

mathlete2008May 4, 2020

+122

-1

So -t and t?

mathlete2008May 4, 2020