Mathematics - 22 June 2007

I know how to find the slope- intercept when the equation is written like this 2x + 3y = 6


But how do I find the slope intercept for the equation

2x = 1/2y + 2



The book says, "write each pair of lines in slope-intercept form. Then identify whether the lines intersect in exactly one point or if the lines are parallel or coinciding"

The second equation I know how to solve 4x - y = 13

2007-06-22 11:56:25 · 6 answers · asked by Pretty 1

x(to the power of 3) - 5
----------------------------------- =
x-2

2007-06-22 11:24:02 · 3 answers · asked by C M 1

2007-06-22 11:16:49 · 11 answers · asked by Anonymous

Find the constant of variation K.

m varies directly with n; m = 144 when n = 8?

2007-06-22 10:58:45 · 6 answers · asked by associates07 1

2007-06-22 10:50:57 · 5 answers · asked by Anonymous

Ergent I need major help!!!!

2007-06-22 10:35:09 · 8 answers · asked by Anonymous

V27 - V147 =

2007-06-22 10:19:36 · 3 answers · asked by YUNGDON 1

all 4 sides are (√3+√5)

2007-06-22 10:16:09 · 7 answers · asked by Jerry S 1

Please ergent i need help!!!

2007-06-22 10:11:50 · 14 answers · asked by Anonymous

if b > or equal to 1 , Show that e^b > or equal to b^e I tried to differentiate but it didn't work

2007-06-22 10:07:43 · 3 answers · asked by DoNAR 1

if b > or equal to 1 , Show that e^b > or equal to b^e I ried to differentiate but it didn't work

2007-06-22 10:05:49 · 6 answers · asked by DoNAR 1

What is the "X" intercept of 4y-12=28x?

I found the "Y" intercept... no problem. I see the 28x and I'm not sure how to get rid of the 28 and still keep both sides equal. I'm sure I'd have to divide since "28x" is multiplication... I'm just not sure where to go from there. Solve and explain, pleassssssse.

2007-06-22 10:02:09 · 7 answers · asked by Anonymous

Does that mean 50 feet or 50 inches?

2007-06-22 10:00:47 · 8 answers · asked by Dougy 3

1) 8x - 5x = 15

2) -3(-x + 4) = -9

3) 2(4x + 3) - 9 = 45

4) 6x - 4(2x + 8) = 16

5) -5x + 4(2x - 2) = 1

6) 2(2x - 4) + 3x = -1

7) -3 + 5x = 12

8) 2 - 5/6x = -8

9) 2/3x = 12

2007-06-22 09:58:57 · 8 answers · asked by Jewman 1

How does 3(x/2) = 2x - 3 become -x/2 = -3 ??????????

I know you have to subtract the 2x from each side but I don't understand how the 3(x/2) becomes -x/2. Why isn't it x/2? You're taking 2 away and leaving one positive one.

2007-06-22 09:51:52 · 4 answers · asked by Anonymous

if b > or equal to 1 , Show that e^b > or equal to b^e I ried to differentiate but it didn't work

2007-06-22 09:30:28 · 1 answers · asked by DoNAR 1

2007-06-22 09:12:21 · 12 answers · asked by Anonymous

Find and show all work for:

a) When the temperature is the hottest.

b) What the temperature is.

Thank you in advance for your help. I certainly do appreciate it!

2007-06-22 08:53:04 · 3 answers · asked by Smarty Pants 2

The rate of growth of the epidemic (new cases per day) is given by the function r(t) = 30e^0.05t.

a) Find a formula for the total number of cases of flu in the first t days.

b) Use that formula to find the total number of cases in the first 15 days.

Show all work for both part a and b.

Thank you so much in advance for your help with this. I just cannot figure it out!

2007-06-22 08:48:32 · 2 answers · asked by Smarty Pants 2

Find an equation of the tangent line to the curve
y=(3 x2+3 )ln(3 x2-2 )+5
when x= 1.

Solution: We use the fact that the tangent line to the curve
y=f(x) when x=x0 is given by
y=f '(x0)(x-x0)+f(x0).

For
y=f(x)=(3 x2+3 )ln(3 x2-2 )+5

and x0= 1
we have that f(1)=_________ and f '(1)= ___________ .

An equation of the tangent line to the given curve when x0= 1 is y=_____________ .

2007-06-22 08:44:30 · 2 answers · asked by Anonymous

2007-06-22 08:39:42 · 2 answers · asked by Alexander 6

I cannot for the life of me figure out this business calculus problem...

Gas is being released from a balloon on a cross-country trip in order to lose altitude. The balloon is sphere in shape. The radius of the balloon is decreasing at the rate of .75 yard per minute. Approximately how fast is the volume of the balloon decreasing when the radius is 25 yards?

Note: The volume of a sphere is given by the formula V = 4/3 Pi r ^3.

Any help would be greatly appreciated. :-)

2007-06-22 08:34:24 · 4 answers · asked by Smarty Pants 2

graph the following solution: 2x + 3y = 6

2007-06-22 08:28:42 · 12 answers · asked by associates07 1

2007-06-22 08:18:42 · 9 answers · asked by Anonymous

i can im wondering how many other people can?
prove that you can prove it!

2007-06-22 08:12:26 · 23 answers · asked by PokeTheMantie™ 3

1. Key in the first three digits of your phone number (NOT the Area code)
2. Multiply by 80
3. Add 1
4. Multiply by 250
5. Add the last 4 digits of your phone number
6. Add the last 4 digits of your phone number again.
7. Subtract 250
8. Divide number by 2

Assuming your phone number was 234-5678

2007-06-22 08:02:46 · 9 answers · asked by Tiff 5

graph the following solution: y=3/4x + 2?

2007-06-22 07:59:52 · 7 answers · asked by associates07 1

We plan to put Beauty to sleep by chemical means, and then we'll flip a (fair) coin. If the coin lands Heads, we will awaken Beauty on Monday afternoon and interview her. If it lands Tails, we will awaken her Monday afternoon, interview her, put her back to sleep, and then awaken her again on Tuesday afternoon and interview her again.

The (each?) interview is to consist of the one question: what is your credence now for the proposition that our coin landed Heads?

When awakened (and during the interview) Beauty will not be able to tell which day it is, nor will she remember whether she has been awakened before.

She knows the above details of our experiment.

What credence should she state in answer to our question?

Is the answer 1/2 or 1/3?

2007-06-22 07:48:44 · 4 answers · asked by The Question 1

What is the answer to:

2x^6y+2x^4y-x^3y+1 / x^2-x+1

Please show steps if possible.

2007-06-22 07:48:27 · 1 answers · asked by Anonymous

2007-06-22 07:32:19 · 22 answers · asked by Anonymous