Math Is Fun Forum

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi Howardroark and bobbym,

The solutions to 2565 and 2566 are perfect. Fantastic!

#2567. If

, find the value of

.

#2568. What is the value of

?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hello!

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi bobbym,

The solutions to 2567 and 2568 are perfect. Neat work!

#2569. The ratio of areas of two similar triangles ABC and DEF is 25:100. What is BC if EF = 6 units?

#2570. What is the X-intercept of the line 4x - 7y + 28 = 0?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi bobbym,

The solutions to 2569 and 2570 are perfect. Great job!

#2571. What is the area of a quadrilateral formed by the points (-1,1),(1,1),(1,-1), and (-1,-1)?

#2572. What is the area of a triangle formed by the points (0,4),(4,0), and origin?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi bobbym,

The solutions to 2571 and 2572 are perfect. Brilliant!

#2573. Find the angle between the lines x = y and

.

#2574. If the slope of the line joining (-6,13) and (3,a) is

, then find the value of a.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

John E. Franklin

Member

Registered: 2005-08-29

Posts: 3,588

Re: 10 second questions

---

igloo myrtilles fourmis

John E. Franklin

Member

Registered: 2005-08-29

Posts: 3,588

Re: 10 second questions

---

igloo myrtilles fourmis

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Howardroark

Member

Registered: 2010-10-10

Posts: 382

Re: 10 second questions

---

I come from a civilization which has given the world the number 0..

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

H John E Frankln, Howardroark, and bobbym,

The solutons to 2573 and 2574 are perfect. Neat work!

#2575. If lines ax - 5y = 5 and 2x + y = 1 are perpendicular, then what is the value of a?

#2576. The equation of a straight line which has the Y intercept -5 and slope 2 is __________________________.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi bobbym,

The solutions to 2575 and 2576 are perfect. Splendid!

#2577. If the three points (2,a), (4,6), and (8,8) are collinear, then what is the value of a?

#2578. Find the distance between (0,4) and (3,0).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi bobbym,

The solutions to 2577 and 2578 are correct. Neat job!

#2579. What is the centroid of the triangle with vertiecs at A (1,-3), B (2,0), and C (3,6)?

#2580. In triangle ABC, A is (0,0), B is (7,5), and C is (x,y). If the centroid G is (3,2), what are the values of x and y?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi bobbym,

The solution to 2579 is correct. Well done!

Regarding 2580, I get (2,1).

#2581. In rectangle ABCD, area of triangle ABC is 31/2 sq.units. What is the area of rectangle ABCD?

#2582. What is the area of a triangle formed by the points (2,5), (4,1), and (0,0)?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi ganesh;

Amazingly for 2580 I am getting (2,1) also. Sorry for the error.Seems I just typed it wrong????

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi bobbym,

The solutions to 2581 and 2582 are correct. Brilliant!

#2583. The angle of inclination wth the X-axis of the line whose is

, is __________________.

#2584. The line x = 4 and y = -2 meet at the point ________________.

#2585. What is the slope of the line 3x + 4y + 2 = 0?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,385

Re: 10 second questions

Hi bobbym,

I am sorry the question 2583 ought to have been
The angle of inclination with the x-axis of the line whose slope is

, is _______________.

The solutions 2584 and 2585 are correct. Well done!

#2586. What is the slope of a line parallel to y-axis?

#2587. If the ends of a diameter of a circle are (2,1) and (4,-1), then what is radius of the circle?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: 10 second questions

Hi;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Howardroark

Member

Registered: 2010-10-10

Posts: 382

Re: 10 second questions

Last edited by Howardroark (2010-12-01 01:00:23)

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I come from a civilization which has given the world the number 0..