Mathematics - 7 September 2007

Find the equation of the plane equidistant from (0,-2,1) and (1,1,-1).

Solutions please...

2007-09-07 23:29:55 · 3 answers · asked by nadanilnone 1

Find the parametric equations for the line passsing through the origin and which is perpendicular to:
x+1=y+2=z+1

Please tell me how you did it...

2007-09-07 23:22:16 · 1 answers · asked by nadanilnone 1

I really need help please.

step by step points!

2007-09-07 22:52:54 · 6 answers · asked by Anonymous

I can find the gradient of the tangent of the curve but i dont know what to do from there to get c (y=mx+c)

2007-09-07 22:17:43 · 3 answers · asked by Anonymous

how do you simplfy it step by step

2007-09-07 22:15:46 · 3 answers · asked by Anonymous

There are 10 football teams in a tournament and each team plays exactly 6 matches. How many matches will be played?

2007-09-07 21:42:10 · 10 answers · asked by Anonymous

Given point A (x,y) in 2D space, how do we know whether point B (a,b) in on the left side or right side of point A?

2007-09-07 20:50:47 · 4 answers · asked by teddy 2

f(x)= x^4 on the interval [3,9]

2007-09-07 20:47:47 · 5 answers · asked by biomes 1

2. A Street light is 15 meters high. A man 1.687 meters tall walks away from the street light at a rate of 6 meters per minute.

a. At what rate is the tip of his shadow moving when he is 5 meters from the street light?
b. At what rate is the length of his shadow increasing?

Solution:
Please teach me how to do no. 2

2007-09-07 20:46:11 · 4 answers · asked by Patricia 2

Why is the Word Arithmetic pronounced like that?
The word arethmetic is pronounced like (areth-matic). Is there an explanation to that?
HELP BY ANSWERING ASAP

2007-09-07 20:36:44 · 3 answers · asked by Anonymous

Why is the Word Arithmetic pronounced like that?
The word arethmetic is pronounced like (areth-matic). Is there an explanation to that?
please answer ASAP

2007-09-07 20:35:45 · 6 answers · asked by Anonymous

2007-09-07 20:20:03 · 5 answers · asked by robertkey60 1

The word arethmetic is pronounced like (areth-matic). Is there an explanation to that?

2007-09-07 20:19:12 · 1 answers · asked by Anonymous

2007-09-07 19:58:39 · 3 answers · asked by Anonymous

I was trying to convert 174 lbs to kilograms and if in every pound there is 2.2 kg's then why do we not multiply 174 by 2.2kg. But we divide. Since the ratio is 1lb/2.2 kg = 174lb/ x kg. We can cross multiply 174 by 2.2 to get the answer. I have used this method to convert everything else whats wrong?

2007-09-07 19:50:25 · 9 answers · asked by Anonymous

2007-09-07 19:34:26 · 12 answers · asked by Anonymous

what's the equation for this word problem?

The product of twice a number and three is the same as 6 times the number and 3/4. find the number

I thought the equation was 2n(3)=6n-3/4 am I right?


and for the second equation:

If the difference of a number and four is doubled, the result is 1/4 less than the number. Find the number

my equation was 2(n-4)=n-1/4 am I right?

2007-09-07 19:16:21 · 4 answers · asked by sweetbabygirlof1983 2

I have a triangle with two known angle measuring pi/4 and pi/7. The leg adjacent to pi/4 has the length of 2, and the leg adjacent to pi/7 has the length of x. What is the length of x?

Please explain. Thanks for your help!

2007-09-07 19:10:46 · 4 answers · asked by sillyboys_trucksare4girls 2

Text Book: Mathpower Ten Western Edition

The question is on powers and exponents. If you could help explain the steps to me in an easy-to-follow way, that would be great and well appreciated. Thanks in advance.

I am going to put the powers (little numbers) in the square brackets. I hope you don't get confused. The -a[3] over the -(b[2]) is what you multiply the first part of the question with. It just looks confusing because the spacing is messed up.

Question:
4a[4]b[3] -a[3]
----------- x -------
a[5]b[6] -(b[2])

Answer:
4a[2]
------
b[5]

2007-09-07 19:07:05 · 5 answers · asked by Alex 3

1. You measure out 45.0 mL of a dense liquid. Its mass is 63.3g. What is its density?

2007-09-07 19:04:47 · 10 answers · asked by vince_oy 3

Ive worked on these for hours........please explain to me how to solve them?

2n(3)=5n-3/4

and the other one is:

2(n-4)=n-1/4

it's the fractions that are throwing me off.......

2007-09-07 19:03:57 · 3 answers · asked by sweetbabygirlof1983 2

Given that x=1.5, is the only solution to the equation 4x^2-
ax+b=0, find the value of a and b. The working solution is since x=1.5 is the only solution, the equation is a perfect square (2x-3)^2=0, 4x^2-12+9=0. By comarison, a = 12 , b = 9 .

2007-09-07 18:39:57 · 3 answers · asked by ♪£yricảl♪ 4

He continues to invest RM 300 on each of Johan's birthday,up to and including his 18th birthday. What will be the total value of the investment on Johan's 18th birthday?

2007-09-07 18:34:25 · 3 answers · asked by aina s 1

2007-09-07 17:31:27 · 11 answers · asked by lala haha gaga mama 2

exactly two hours at which time they were 208 miles apart. If one traveled on average 8mph faster than the other car. What was the average speed for each car, for the two hour trip?

What formula do you use? A full explanation would be helpful. Thank you!

2007-09-07 16:58:26 · 10 answers · asked by c_eva02 2

Write the equation of the line with x-intercept (–9, 0) and undefined slope.

A) y = –9
B) x = –9
C) y = –9x
D) x = 0

2007-09-07 16:55:41 · 6 answers · asked by ray 1

mk i have this problem

6y^2(2y^0)^2

i know it has to equal 24y^2

but how explain all the way please!

Thank you!

2007-09-07 16:55:31 · 7 answers · asked by Mae-Day 3

does anyone know the answer to this question?

x squared - y squared = 10

the answer is either a. a circle b. an ellipse c. a hyperbola or d. a parabola

2007-09-07 16:55:24 · 6 answers · asked by bigblue9491 2

1.a line of plane contains the points(-3,2)and (4,1)
a.find the slope of the line
b.find an equation for the line
c.find an equation of a line that contains(7,5)and it is parallel to the line above
d.find an equation of a line that contains(7,5)and is perpendicular to the line above
e.find the coordinates of the midpoint and the lengt of the segment determined by(-3,2)and (4,1)

2.find zeros of each function below.graph the functions
a. 3(x-2)=y
b. 4x + 6y=18
c. y=2x(SQUARED)- 2
D. Y=-3X(SQUARED) + 12
THANK YOU!!!!!

2007-09-07 16:46:48 · 7 answers · asked by witch_dea 2

3x-y>6

x+y<6

2007-09-07 16:46:02 · 3 answers · asked by lele 2