All Questions

+3

1

1671

4

+2354

Math riddle

Aaah good old times.
Since it's pretty quiet on the forum, I thought I'd find us all a nice riddle.
I was cruising through the pile of easier ones when I found this one.
Still haven't found the answer

Disappearing tabs

Not sure if there are more people that have this problem, so that's why I started a thread.
My tabs keep disappearing, which makes it more difficult to return to the forum main page.
Is there anyone else experiencing these issues? read more ..

Melody ●●●●

reinout-g Sep 10, 2014

0

422

1

whats 1 divide by 3

●

Guest Sep 10, 2014

0

872

5

Trigonometry

1.Find two real numbers whose sume is 4 and whose product is a maximum.
2.The height h in feet if a ball t seconds after being tossed upwards is given by the function h(t)=84t-16t squared.
a. After how many seconds will it hit the ground? read more ..

reinout-g ●●●●●

Guest Sep 10, 2014

+3

708

4

What property is shown below? 4 × (4 - 3) = (4 × 4) - (4 × 3)

reinout-g ●●●●

Guest Sep 10, 2014

0

641

1

Word Problems Involving Quadratic Functions

Find two real numbers whose sume is 4 and whose product is a maximum.

CPhill ●

Guest Sep 10, 2014

+5

684

1

+118723

@ I have cursorily checked all posts up to and including question page 688+ and answer page 1867+

@ I have cursorily checked all posts up to and including question page 688+ and answer page 1867+
They all (almost all) appear to have received a satisfactory answer.
(That doesn't mean that there can't be errors of course read more ..

●

Melody Sep 10, 2014

+6

555

0

+118723

There are a couple of questions that didn't post properly and as a consequence are not answered.

There are a couple of questions that didn't post properly and as a consequence are not answered.
Here they are.
http://web2.0calc.com/questions/nbsp_4#r0
http://web2.0calc.com/questions/nbsp_5#r0 read more ..

Melody Sep 10, 2014

0

717

2

how the h**l do use cos-1,sin-1 and tan-1

Melody ●●

Guest Sep 10, 2014

0

746

4

2 to the power of 5 / 2 to the power of 3

Melody ●●●●

Guest Sep 10, 2014

+3

1649

7

+11912

one more confusion!pls explain this very nicely becoz i am very bad at solving these kind of questions!

The digits of a two-digit number differ by 3 . If the digits are interchanged and the resulting number is added to the original number, we get 143 . What can be he original number?

1, 638.92 billion minus 10.80 billion

Melody ●

Guest Sep 10, 2014

+3

699

2

+11912

i dont know , i have tried this but am getting a wrong answer!

A rational number is such that when you multiply it by 5/2 and add 2/3 to the product , you get -7/12.What is the number?

Alan ●●

rosala Sep 10, 2014

+3

1109

9

+11912

I need quick help!

The base of an isosceles triangle is 4/3 cm . The perimeter of the triangle is 4 2/15 cm . What is the length of either of the remaining equal sides?

Alan ●●●●●●●●●

rosala Sep 10, 2014

0

631

2

math homework

16x squared - 25y squared

Alan ●●

Guest Sep 10, 2014

+3

3949

2

+102

Find an autonomous differential equation with all of the following properties

is there anyone who can solve it and show the way?

Melody ●●

milkshake Sep 10, 2014

0

488

1

213.5 billion - 199.8 billion

milkshake ●

Guest Sep 10, 2014

0

535

2

A 6.5 pole is to be supported by a wire extending from the top of the pole to the ground,making an angle of 22degrees to the vertical. How l

A 6.5 pole is to be supported by a wire extending from the top of the pole to the ground,making an angle of 22degrees to the vertical. How long will the wire need to be?

Alan ●●

Guest Sep 10, 2014

+3

499

1

2+2*2=?

milkshake ●

Guest Sep 10, 2014

0

598

2

how can i finish my math homework

how do i type in fractions

Alan ●●

Guest Sep 10, 2014

0

637

3

36,000 • 1\10

Melody ●●●

Guest Sep 10, 2014

0

1188

1

what is 1.5 reduced

●

Guest Sep 10, 2014

0

520

1

how do you calculate gravity

milkshake ●

Guest Sep 10, 2014

0

3301

2

the sum of the first 10000 positive even numbers is how much more than the sum of the first 10000 positive odd numbers?

CPhill ●●

Guest Sep 10, 2014

All Questions ⁺⁰237635 Questions

Math riddle

Disappearing tabs

whats 1 divide by 3

Trigonometry

What property is shown below? 4 × (4 - 3) = (4 × 4) - (4 × 3)

Word Problems Involving Quadratic Functions

@ I have cursorily checked all posts up to and including question page 688+ and answer page 1867+

There are a couple of questions that didn't post properly and as a consequence are not answered.

how the h**l do use cos-1,sin-1 and tan-1

2 to the power of 5 / 2 to the power of 3

one more confusion!pls explain this very nicely becoz i am very bad at solving these kind of questions!

1, 638.92 billion minus 10.80 billion

i dont know , i have tried this but am getting a wrong answer!

I need quick help!

math homework

Find an autonomous differential equation with all of the following properties

213.5 billion - 199.8 billion

A 6.5 pole is to be supported by a wire extending from the top of the pole to the ground,making an angle of 22degrees to the vertical. How l

2+2*2=?

how can i finish my math homework

36,000 • 1\10

what is 1.5 reduced

how do you calculate gravity

the sum of the first 10000 positive even numbers is how much more than the sum of the first 10000 positive odd numbers?

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