Mathematics - 28 October 2007

2007-10-28 09:34:44 · 2 answers · asked by Anonymous

please help me solve this

2007-10-28 09:09:54 · 10 answers · asked by raliwms12 1

1. if ABCD is a parallelogram, m
a. 3
b. 31
c.61
d.121

2007-10-28 08:59:53 · 15 answers · asked by Conie C 1

How would you solve cos((5(pie))/6)

2007-10-28 08:57:44 · 1 answers · asked by Johhny Doe 3

A polynomial f(x) with real coefficients and leading coefficient 1 has the given zeros and degree. Express f(x) as a product of linear and quadratic polynomials with real coefficients that are irreducible over R.

seriously i have been trying to work this problem out for like an hour. can someone explain to me how the hell they got this answer from this problem please! any help is greatly appreciated!

zeros are 4 ±3i -2 ±i
degree is 4
answer is (x^2 -8x +25)(x^2 +4x +5)

as far as i got was:
(x+4)(x-4)(x+3i)(x-3i)(x-2)(x+2)(x+i)(x-i)
(x^2 -16)(x^2 +9)(x^2 -4)(x^2 +1)

ok, first of all did i do that right?
and where do you go from there?
i multiplyed them together but i don't see what they did to get (x^2 -8x +25)(x^2 +4x +5)

2007-10-28 08:55:41 · 4 answers · asked by coconut shell :P 1

completely factor the given expression ( Leave ¶ as ¶ )
¶ is pi

2007-10-28 08:52:02 · 1 answers · asked by jammesun 1

Employer A states the average number of days missed in a year by each staff member is 4.0. Office personnel randomly sampled a portion of their attendance records to determine if this claim was accurate. For the previous year, the following data was obtained from the sample group, regarding absences for that year: 4, 4, 3, 2, 6, 8, 7, 1, 9, 3, 1, and 6. At the .05 level of significance, is there convincing evidence that the number of absences per employee has increased?

2007-10-28 08:45:23 · 2 answers · asked by Jess 3

2007-10-28 08:44:16 · 4 answers · asked by Cynthia Lemon 2

Evaluate:

[ 1510 x 10102 / 516 - C16 / 01002 + 01012 / 01012 ] / 410

With 10 being the base on 15, 2 on 1010, 16 on 5, 16 on c, 2 on 100, 2 on 101, and 10 on 4

2007-10-28 08:41:49 · 2 answers · asked by yanks1mets2000 3

2007-10-28 08:41:28 · 4 answers · asked by melstxi055 3

...if |K| = 42 and |G| = 420, what are the possible orders of H? Thanks to whoever can help me.

2007-10-28 08:41:16 · 1 answers · asked by Randall N 1

#2 Find the measure of an angle such that the difference between the measure of the angle and the measure of its complement is 28 degrees.

2007-10-28 08:37:34 · 1 answers · asked by Anonymous

Ugh, I'm really horrible at these. Burning through some homework here and I can't for the life of me figure out
(1+cosx)(cscx - cotx) = sinx

I'm not sure how these ones that involve so much multipling, or really what identities to use. if anyone could help explain this to me, I'll surely thank you with a best answer.

Also, is sin^2x/sin^4x = 1/sin^2x ?

2007-10-28 08:30:03 · 2 answers · asked by fane 3

can you find the lateral area of a right triangular prism with a height of 30cm and a right triangular base with a leg of 12cm and the hypotenuse of 13cm

2007-10-28 08:27:00 · 1 answers · asked by Anonymous

I've tried to get this answer, like, 20 times, and I do NOT get it. My dad's preoccupied w/ 2 or 3 football games and a race, so no help there, and so i really need your help.

In Exercises 64-66, you are running in a marathon. You either run 8 miles per hour or walk 4 miles per hour.

64. Write an equation to show the relationship between time run and time walked during the 26.2-mile course.

65. Graph the equation from Exercies 64. What are some possible running and walking times if you complete the 26.2-mile course?

66. If you walk for a total of 1 hour during the course, how long will you have spent running when you cross the finish line of the marathon?

Please help me. I'm ready to shred my math book and flush it in the toilet. I REEEEEEEEALLLY need help. Thanks.

2007-10-28 08:23:13 · 4 answers · asked by I LIKE CHOCOLATE MILK!!! 3

self explanitory please give your answers with working and try and keep it as simple as possible

2007-10-28 08:17:44 · 2 answers · asked by zush 1

2007-10-28 08:17:07 · 7 answers · asked by Anonymous

i'm that tall but i don't know how tall i am in feet

2007-10-28 08:15:40 · 5 answers · asked by dromaister 2

factor f(x)= f(x)= 2x^2 +4x+7

i need to find the vertex, steps, x/y interceptd n the max/min value

2007-10-28 08:13:55 · 1 answers · asked by Anonymous

2007-10-28 07:58:58 · 1 answers · asked by Anonymous

What is y and plese show work

2007-10-28 07:48:47 · 8 answers · asked by subzero123kid 2

(m+3)(-6)=m(-6)+3(-6)
=-6m+18

describe and correct the error in the soultion

2007-10-28 07:41:56 · 5 answers · asked by Anonymous

solve
14= x(x-5)
and
x((5+12x)=28

If you could please tell me the process of how to get the answer I would be very grateful. Thanks in advance.

2007-10-28 07:35:20 · 3 answers · asked by The Chief 2

In each round of a certain game for two people, the winner scores w points and the loser scores l points (w>l>0), ties are not possible, and all scores are integers. After several rounds, Bonnie leads Connie by a score of 30 to 25. If Connie has one exactly two rounds, compute w.

Easiest-to-understand answer gets the 10.

2007-10-28 07:27:41 · 2 answers · asked by Sunrayye 5

what numbers are divisible by 3?

2007-10-28 07:22:49 · 7 answers · asked by Anonymous

can you help me confirm my answer

2007-10-28 07:21:12 · 2 answers · asked by abhin t 1

2007-10-28 07:18:36 · 9 answers · asked by J 2

Use differentials to estimate the amount of paint needed to apply a coat of paint 0.07 cm thick to a hemispherical dome with diameter 54 m.

don't know what formula to use...

2007-10-28 07:16:59 · 1 answers · asked by syem64 2

This is a neat little trick that will always give you the last 7 digits of your phone number always! So grab your calculators!

1. Key in the first three digits of your phone number. (No 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 by 2.

Pretty cool, huh?
Explain to me algebraically how this works.

2007-10-28 06:57:20 · 6 answers · asked by Michael 2

2007-10-28 06:55:59 · 21 answers · asked by deetra w 1