Mathematics - 13 November 2007

equation: x^5+x^3-6x=y

Find the real zeroes and determine the multiplicity of each zero.

How do I do that? Help?

2007-11-13 13:44:56 · 1 answers · asked by :] 3

2007-11-13 13:44:14 · 19 answers · asked by nbb_1_fan 1

their is an angle opposite to 60 degrees is (2x + 10) and you know that angle opposite to it is the same , so what does x =
in (2x + 10)?

2007-11-13 13:38:15 · 6 answers · asked by maria s 1

Let A be a set containing 23 elements and B a set containing 13 elements.
(a) How many functions are there from A to B?
(b) How many injective functions from A to B?
(c) How many surjective functions from A to B?

2007-11-13 13:34:40 · 1 answers · asked by iiro00292 2

okay
Write the expression for the verbal phrase.
the sum of a number and negative 5.
a number deacreased by 11
the product of 15 and a number
20 divided by a number
twice a number increased by seven
the qoutient of a number and 10
3 times the number and negative six

2007-11-13 13:34:22 · 5 answers · asked by Anonymous

(e^4)^x (times) e^x^2 = e^12

e to the fourth power x times e power x squared equals e to the 12 power.

Thank You

2007-11-13 13:29:00 · 1 answers · asked by John 1

i have to calculate the % change from:
$800 to $1,200
and then from $800 to %1,800.
how do i do that?

2007-11-13 13:21:36 · 18 answers · asked by Anonymous

Does this depend on denominator or numerator?

2007-11-13 13:14:34 · 3 answers · asked by xboxturbo 3

find the angle between the pair of lines 6x(square)+13xy+6y(square)+8x+7y+2=0

2007-11-13 13:11:52 · 1 answers · asked by Anonymous

1. How can you tell whether 2 sets of data vary directly?

2. how can you tell if a line is the graph of a direct variation?

2007-11-13 13:07:51 · 4 answers · asked by Anonymous

its a quadratic:
10t^2-9t=1
what would t be?
and once again, pleas show your work.

2007-11-13 12:54:34 · 7 answers · asked by bballdud123 2

can you explain to me how to do this?
Sec s + Cot s Csc s = Csc^2 s Sec^2 s

2007-11-13 12:48:31 · 4 answers · asked by VHS123 2

All distinct arrangements of the letters "AAABBCCCDDDDEE" are placed in a bag and one is drawn at random.

What is the probability that it is AAABBCCCDDDDEE?

2007-11-13 12:44:13 · 2 answers · asked by Anonymous

2007-11-13 12:35:51 · 6 answers · asked by Anonymous

... how to solve it using the law of cosines! Can someone please help me please????

It says:

A boat heads 35 degrees (does not say from where), propelled by a force of 750 lbs. A wind FROM 320 degrees exerts a force of 150 lbs on the boar. How large is the resultant force, and in which direction is the boat moving?

I have no idea how to set this up or anything!!! Can someone please walk me through this?! I would appreciate it so much! Thank you so much and I will pick a best answer TODAY!!!!!!!!!!!!


Also, can anyone tell me what type of math class you would find this in (i.e. precalc, calc 1, calc 2, linear algebra, etc.)?

2007-11-13 12:08:09 · 3 answers · asked by James J 2

How do u find out critical points when graphing a graph. I know how to find out the vertex and zeros/roots. I need help find out critical points so the graph can be more exact. Please Help me.

Critical points are those points on a graph at which a line dran tangent to the curve is horizontal or vertical. Please help me!

The equation is -h^2+18h
i got the vertex which is (9,81)
81 being the maximum
the zeros/roots i got are 18 and O
help me find out the critical points

everything is right so far.......my answers are not wrong trust me. i just need help finding critical points so my graph can be more accurate.

2007-11-13 11:54:45 · 3 answers · asked by Ballerina 5

Asked this earlier but made a mistake on the first one...

a. 8x - 3 (x + 2) = 5y - x
b. -6x = 7 -5y

1. How would I rewrite the first equation in slope-intercept form?

2. How would I rewrite the second equation in slope-intercept form?

3. Are they parallel?

10 points to whoever gets it right.

2007-11-13 11:47:16 · 1 answers · asked by Anonymous

How do u find out critical points when graphing a graph. I know how to find out the vertex and zeros/roots. I need help find out critical points so the graph can be more exact. Please Help me.

Critical points are those points on a graph at which a line dran tangent to the curve is horizontal or vertical. Please help me!

2007-11-13 11:41:56 · 10 answers · asked by Ballerina 5

1.Find the polynomial f(x) of degree three that has zeroes at 1, 2, and 4 such that f(0) = -16.

2.For the following equation, find the interval(s) where f(x) < 0.
f(x) = 1 Divided by x^2-2x-8

3.The polynomial f(x) divided x - 3 results in a quotient of x^2+3x-5 with a remainder of 2. Find f(3).

4.Express the following statement as a formula with the value of the constant of proportionality determined with the given conditions: w varies directly as x and inversely as the square of y. If x = 15 and y = 5, then w = 36.

5.Find the quotient and remainder of f(x) = x^4 - 2 divided by p(x) = x - 1.

2007-11-13 11:40:17 · 2 answers · asked by austin 1

On moving day, a mix of small 4Kg boxes and large 8Kg baxes have to be moved. A maximum of 60 small boxes and a minimum of 40 large boxes are to be moved, and the team of movers wants to know how many boxes of each type can be moved into a container that holds no more than 600Kg.

Okay so i get:
x<=60
y>=40
x+y=600Kg

where do i go from here? do i graph it in Kg or in like numbres??? i don't know! Help me pleaase!

2007-11-13 11:28:50 · 2 answers · asked by stefany 1

solving equations by elimination mult/add

7x + 2y = -1
3x - 4y = 19

first i multiplied everything int he first equation by 3
so i now have 21x+ 6y = -3
and i multiplied everything in the second equation by 7 and got
21x - 28y = 133
then the 21x and 21x cross out
so i now have
6y = -3 and -28y = 130[add 133 and -3]
so next i subtracted 6y from -28y and got -22y = 130
now what? HELP! please!

2007-11-13 11:25:08 · 7 answers · asked by Annie 1

2007-11-13 11:19:26 · 1 answers · asked by donna g 1

my daughter who is in 5th grade has this math problem . I have no clue. Here it goes: If you start with 3 and count by 7's you get the terms of the sequence 3, 10, 17,...528 where 3 is the 1st term, 10 is the 2nd term , 17 is the 3rd term, and so forth up to 528 with is the Nth term . What is the value of N?

2007-11-13 11:09:36 · 3 answers · asked by whatever 3

can it be that men are those who work in more dangerous place, that they are stronger????
any lurking variables????

2007-11-13 11:05:50 · 2 answers · asked by anynomous 1

The complementary relation S is the set of ordered pairs {(a.b) | (a,b) not € R}. Let R be the relation R = {(a,b) | a < b} on the set of integers. Find R^1 and S.

2007-11-13 10:51:44 · 1 answers · asked by Anonymous

A forest ranger in a tower 128m high observes two fires in the same line of sight with angles of depression 42 degrees and 61 degrees . How far apart are the fires.

2007-11-13 10:47:44 · 2 answers · asked by Anonymous

Ok the coordinates are (5,3) and (2,6)...

now i checked it on a graph and i got 3/3 but when I do
m=6-5/2-3...I get 1/-1 and not 3. What am i doing wrong? or am i doing it right?

2007-11-13 10:39:51 · 5 answers · asked by coconc93 1

write a numerical or algebraic expression for 9 less than 12

2007-11-13 10:34:04 · 4 answers · asked by mzdino 2

I'm not sure if this is possible - but let see:

I want to find the moment generating function (mgf) of x1/(x1+x2) given that I know the mgf of both x1 and x2.

Can this be done using mgfs? - any references??
thanks.

2007-11-13 10:11:47 · 1 answers · asked by Remolabarca31 1

I'm going to use 'S' as the integral sign. The interval is [x,0] so x=b and 0=a

***WORTH 10 POINTS**
Question: Identify all local extrema of f(x)=S[x,0] (t^2 -3t +2) dt.

It's kind of funny because I handed in my quiz and this problem was worth 10 points. I knew for sure I was going to get a zero on this problem, even though we just went over it like 2 minutes ago. The thing is though, I was trying to evaluate another problem that I thought for sure was going to be on the quiz. How wrong I was! Anyways, I asked the TA after class if i could re-do it and he gave me the heads up. So this is what I wrote:

(x-1)(x-2)
local max @ x=1
local min @ x=2

In addition, I had some scribbled out (still recognizable) work I did previously which involved the integration of the original equation. All in all, that's what I had as my final answer. I knew I blew it and if I'm ever on the borderline of committing suicide, I'll just think back to this instance and my mind will be made up.

2007-11-13 09:56:28 · 2 answers · asked by Anonymous