Mathematics - 13 June 2007

you are offered a job for the month of july. the employer tells you that he'll pay you $0.01 for the first day and double each days pay based on the pay of the previous day. How much should he pay you for you last day of work?

2007-06-13 16:03:42 · 13 answers · asked by mala 2

For each of the following, determine the equations of any horizsontal asymptotes and state wheter the curve approaches the asymptote from above or below.

a) x / x + 4

b) f(x) = 2x / x2 - 1

c) g(t) = 3t2 + 4 / t2 - 1

d) y = 3x2 - 8x - 7 / x -4

2007-06-13 15:57:52 · 2 answers · asked by Anonymous

...in each family in a specific state, what would be a good way to start? Is there a specific group that I should get my "random sample" from?

2007-06-13 15:50:28 · 1 answers · asked by Anonymous

For each of the following, check for discontinuities and state the equation of any vertical asymptotes. Conduct a limit test to determine the asymptote from above or below.

a) y = x / x + 5

b) f(x) = 2x / x2 - 1

c) g(t) = 3t2 + 4 / t2 - 1

d)y = 3x2 - 8x - 7 / x - 4

Please show your work this would be appreciated.

2007-06-13 15:49:05 · 1 answers · asked by Anonymous

pls answer me for the problem that i have

2007-06-13 15:47:14 · 8 answers · asked by Liza S 1

Forgive me my memory is about shot...all i can recall is pie=3.14

*And Diameter is the hieght and length added right?

2007-06-13 15:46:38 · 10 answers · asked by Anonymous

Please help me solve these questions, I really need the help!

Factor:
A) p^2 - pq - 12q^2

B)12x^2 + 19x - 18

C) 9y^2 -100

D)7p^2 + 19p - 6

Can all quadratic equations be solved by factoring? Please help me understand this!!!! thank you!!

2007-06-13 15:41:08 · 6 answers · asked by ellebekay 1

PLEASE ANSWER ME I HAVE MATH B TOMORROW!!!!!!!!!!!!!!!!!!

2007-06-13 15:40:56 · 2 answers · asked by Jenna 2

Please tell me in detail how to get the answer

2007-06-13 15:39:28 · 7 answers · asked by Sherri E 1

A round hole is drilled through the center of a spherical solid of radius "r". The resulting cylindrical hole has a height 4cm.

What is the volume of the solid that remains?

I know the answer (32pi / 3) but I'm not quite sure what I'm doing wrong to get the wrong answer ..

2007-06-13 15:36:16 · 4 answers · asked by George 2

There are 7 red, 3blue, 2green. 4 are taken randomly w/out replacement.

2007-06-13 15:35:18 · 5 answers · asked by SILVIA P 1

Each is a seperate question!!!
5m squared -11m-3=0

x(squared)+7x=12
Please Help me!! Im confused!! Show steps please!

2007-06-13 15:34:32 · 5 answers · asked by h 2

What is the total number of points of intersection of the graphs of the
equations x2 + y2 = 16 and y = x?
(1) 1 (3) 3
(2) 2 (4) 4
tell me the specific steps
thanks

2007-06-13 15:28:14 · 4 answers · asked by icetea 2

A researcher is interested in analying the increase in systolic blood pressure caused by a certain medication. Would mean, median or mode be a more appropriate measure of central tendency?

2007-06-13 15:21:47 · 4 answers · asked by Anonymous

For (-1^n+1 * x^n) / 4n
- I got (-4,4) for my endpoints
-plug in 4 I get -1, how would I deter converge or diverge from that -1?
- plug in -4 and get 1 , how would I deter. converge or diverge from that 1?

(x-3)^(n-1) / 3^(n-1)
- got (0,6) as endpoints
- plug in 6 i get 1, how would I deter converge or diverge?
- plug in 0 and get -1, " " " " " " " "" ?

2007-06-13 15:14:06 · 1 answers · asked by dukebdx12 3

1. If a and b are intergers, which equation is always true?
1. a/b = b/a
2. a+2b=b+2a
3. a-b=b-a
4. a+b=b+a

2. The sum of the ages of the three anderson brothers is 63. If their ages can be represented as consecutive intergers, what is the age of the middle brother?
explain please.

2007-06-13 15:13:44 · 7 answers · asked by pinkrose 1

2007-06-13 15:12:19 · 4 answers · asked by JenniferD 2

"While exploring a cave, a spelunker starts at the entrance and moves the following distances. She goes 75.0 m north, 250 m east, 125 m at an angle 30 degrees north of east, and 150 m south. Find the resultant displacement from the cave entrance."

My thoughts on the question so far...I drew it out, and I know that I need to find Ax and Ay for each respective distance via the formulas Ax=cos (theta)r; Ay=sin(theta)r...I then need to add the vectors by separating them into the i & j's...then take the square root of the squares of these components to get the r (displacement) from first to the last point. My biggest problem is figuring out which angle goes with which distance.

Thank you!!

2007-06-13 15:00:25 · 5 answers · asked by Anonymous

okay how would I figure out 85 divided by 105 without a calculator

the answer is .8095 but I need to know how to do this without a calculator

2007-06-13 14:57:56 · 5 answers · asked by Capt. Kirk 1

2007-06-13 14:44:59 · 6 answers · asked by michelle c 1

Or the hardest question ever asked?

2007-06-13 14:41:28 · 6 answers · asked by Matthew H 2

The denominator of a fraction is 7 more than the numerator. If the numerator is increased by 2 and the denominator is decreased by 2, the value of the resulting fraction is 2/3. What is the original fraction?


A. 4/11


B.3/10


C.5/12



D.2/9

2007-06-13 14:37:29 · 8 answers · asked by smile 1

I really need to find a way to dissect a hexagon into 8, 9, 12, 18, 24, and 27 parts.

I also need to know how to made 3 congruent quadrilaterals out of an equilateral triangle, 4 congruent triangles in a scalene triangle, and 9 congruent triangles in a scalene triangle as well.

If you have any ideas, i'd really appreciate it, even if it is for merely one of the polygons. thank you thank you thank you!

2007-06-13 14:19:18 · 2 answers · asked by Anonymous

ok heres some quentions from the review packet I have no idea about... please help answer them and explain....
*determine the nature of the roots of the quadratic equation 25c^2-20c+4=0
*find the value of k that will make the roots of the equation equal: x^2-12x+k=5
*find the values of k wich will make the roots of the equation equal: y^2+ky+36=0
*if one root of the equation 2y^2+bx-12=0 is 4, find the other root.
*for wich equation does the sum of the roots equal 3 and the product equal 4.5?
*write an equation in the form ax^2+bx+c=0 if the sum of the roots is -4 and the product is 5
*if the sum of the rootsof the equation 2x^2-5x-3=0 is added to the product of the roots,the result is...
* also please include any propertys you know, they will be on the test but i dont have the review sheet on that because i was sick
thank you sooooooooooo sooooo much!!!!!

2007-06-13 14:14:21 · 4 answers · asked by Anonymous

ok heres some quentions from the review packet I have no idea about... please help answer them and explain....
*determine the nature of the roots of the quadratic equation 25c^2-20c+4=0
*find the value of k that will make the roots of the equation equal: x^2-12x+k=5
*find the values of k wich will make the roots of the equation equal: y^2+ky+36=0
*if one root of the equation 2y^2+bx-12=0 is 4, find the other root.
*for wich equation does the sum of the roots equal 3 and the product equal 4.5?
*write an equation in the form ax^2+bx+c=0 if the sum of the roots is -4 and the product is 5
*if the sum of the rootsof the equation 2x^2-5x-3=0 is added to the product of the roots,the result is...
* also please include any propertys you know, they will be on the test but i dont have the review sheet on that because i was sick
thank you sooooooooooo sooooo much!!!!!

2007-06-13 14:07:38 · 5 answers · asked by Hey hey hey 2

Solve each of the following equations:
A) 3 = log2(1/y)
B) log(x + 3) + log x = 1
C) log(x + 2) - log5(x - 1) = 2 log 5 to the power of 3
D) log(35 - x3) / log (5 - x) = 3

Answers:
A)1/8
B) 2
C) 11/8
D) 3 or 2


Please show your work. Thank you

2007-06-13 14:01:23 · 2 answers · asked by Anonymous

2007-06-13 13:59:34 · 4 answers · asked by Anonymous

_2_______ +____2____
x^2-5x+4 x^2-6x+5

____2_____ + _2________
x^2-9x+20 x^2+2x-35

2007-06-13 13:58:25 · 5 answers · asked by Anonymous

160 mg of radioactive sodium was made and it was found that there was only 20 mg left 45 h later.

a) What is the half life of sodium?

b) Find a function that models the amount A left after t hours

c) If the labratory requires 100 mg of sodium 12 h from now, how much sodium should the research assistant make now? (Ignore the 20 mg she currently has.)

d) How much of the original 20 mg would be left in 12 h?

Answers:
b) A = 160(1/2)t/15

c) 174 mg

d) 11.5 mg

Please show your work. Thanks

2007-06-13 13:56:01 · 3 answers · asked by Anonymous

If a bacteria doubles in 5 d.
a) when will it be 16 times as large?

b) when was it 1/2 of its present population?

c) when was it 1/4 of its present population?

d) when was it 1/32 of its present population?

ANSWERS:
a) 20 days

b) 5 days ago

c) 10 days ago

d) 25 days ago

Please show your work. Thank you.

2007-06-13 13:50:29 · 6 answers · asked by Anonymous