Mathematics - 15 November 2007

(5-2i) - (3+i) + (8 + 5i)

How should I go about solving this problem?

2007-11-15 04:47:03 · 4 answers · asked by BrandyJo 3

2007-11-15 04:46:41 · 4 answers · asked by bilal s 1

Parallel lines printed on the paper are separated by distance 2".
Those matches which cross a line were counted, and the number came out 2,000?

How many matches were scattered?

2007-11-15 04:23:02 · 3 answers · asked by Alexander 6

Angles with measures 30 and 60 degrees are complementary.

A. True
B. False

2007-11-15 04:21:01 · 3 answers · asked by sophiapena11 1

One number is 12 more than another. The sum of the smaller number and twice the larger number is 39.

Any help would be much obliged. Thank you in advance.

2007-11-15 04:19:45 · 10 answers · asked by jaeelarr 1

2007-11-15 04:16:54 · 3 answers · asked by James P 1

How do you solve for x and y in this radical

2/3 square root of 72x^3y^4

2007-11-15 04:11:41 · 3 answers · asked by the log 1

Parallel to y = 7, through (10, 2)

2007-11-15 04:02:35 · 4 answers · asked by . 1

Verify The equation

2007-11-15 04:02:01 · 4 answers · asked by CZIRB 1

Hi! If anyone could help me out with these questions by showing me how in the world to work them. Thanks in advance!

1. Evaluate , - √4 if possible.

2. Solve. √ (3x + 6 - 6 =0)

3. Determine whether √ 81 is rational or irrational.

4. Approximate 7√ 7 + 4√ 7 to the nearest hundredth.

2007-11-15 03:52:06 · 6 answers · asked by Anonymous

How many four digit numbers contain the digit pattern 85 at least once and only once?

2007-11-15 03:47:34 · 3 answers · asked by Anonymous

Find h(-1), h(0), and h(3) when h(x) = x^2 - 4x + 4

2007-11-15 03:45:20 · 3 answers · asked by . 1

2007-11-15 03:41:57 · 3 answers · asked by Smiles6 1

i dont know what im supposed to do any help would br great

the problems are like

(word problems)

Jess made two picture frames. one frame is 8 in. by 14 in. the other frame is 12in. by 22 in. are the frames similar?

if the scale is 1 cm:8 m, how tall is the drawing of the 654-m skyscraper

a drawing of an airplane hanger was made useing a scale of 1 in. : 20ft. if the hangar is acually 250 feet wide how wide is the drawing

ALSO

tell weaher each scale reduces, enlarges, or preserves the size of the acual subject.

15 ft: 1 in

10mm: 1cm

2 m: 10 km


ALSO


An 8-cm cube is built from small cubes, each 1 cm on a side. compare the following values

The side lengths


The volumes




any help would be great

2007-11-15 03:39:40 · 4 answers · asked by T~Furg 2

2007-11-15 03:34:11 · 3 answers · asked by Anonymous

2007-11-15 03:31:03 · 4 answers · asked by vjohnson13 1

2 < 2x - 1 < 7

I got x < 4.

Right or wrong?

2007-11-15 03:29:09 · 3 answers · asked by wrongnumber 1

The flight from Tehran to Sydney takes 10 hours.
The flight from Sydney to Johannesburg takes 10 hours.
The flight from Johannesburg to Washington takes 10 hours.

How long does it take to fly from Sydney to Washington?
(the numbers are slighly doctored, but not much)

2007-11-15 03:21:37 · 5 answers · asked by Alexander 6

help

2007-11-15 03:15:47 · 6 answers · asked by mahaylaa2002 1

please help me!

2007-11-15 03:12:24 · 2 answers · asked by lele 2

Hi,

I am a teacher, but I have slight doubt regarding endosmosis in raisins. I would be thankful if anyone could me the definite formula. The formula I have is W2-W1/W1 x 100, or is it W2-W1/W2 x 100? Is it possible the result be more than 100%?
Thank you.

Philip John

2007-11-15 02:33:11 · 1 answers · asked by lesliejohn 2

Previous details given were
sin 3θ = 3sinθ - 4sin^3θ

2007-11-15 02:28:48 · 5 answers · asked by han 2

The problem is:
Prove that there do not exist any Carmichael numbers with two prime factors.

This is what I have so far:

Suppose there exists a Carmichael number n = p1p2 (where p1 and p2 are odd primes not equal to each other).

Then p1 - 1 divides n - 1.
Also, p2 - 1 divides n - 1.

I'm not sure where to go from here

2007-11-15 02:25:33 · 2 answers · asked by 3545 2

I can't seem to understand this and my calc is computing right.

a.)The max and min values of f(x)=l9-x^2l where -2
b.) Find the Max and min values of f(x)=xsqr(2-x)

c.)Find the x coordinates of points of inflection of f(x)=x+sin x.

Help on any of these problems would me most grateful.

2007-11-15 02:09:17 · 3 answers · asked by MachoMan 4

Please list steps if you can. Thank you.

2007-11-15 02:01:11 · 2 answers · asked by weetereatter 2

how would you use it for this

lim x-->0 (arctan(5x))/(sin(7x))

2007-11-15 01:56:29 · 3 answers · asked by m_carl 1

1. sqrt -900

2. 1/2(6x - 8) = 1/4(16x -12)

3. -2 + 5i

4. 5 + 3i

5. absolute value of 5x - 8 = 2

2007-11-15 01:21:11 · 9 answers · asked by starscream 1

i want to submit myy maths project tomorrow so plz friends help me!!

if possible suggest me some site too

i have even googled about this but din't get any satisfactory result!!

plz plz help me

i'm in the 8th grade so related topics to this grade is preferrable!

thnx........

2007-11-15 01:16:11 · 8 answers · asked by sriya 2

and other angles?
what is the formula or rule?
my math book sux man

2007-11-15 00:16:33 · 9 answers · asked by ♥PurePoison♥ 3

TELL me how to get it because I gottta get ready for this quiz soon.

Explain so that a twelve year old would understand :]

No big words please.

2007-11-15 00:12:18 · 12 answers · asked by Anonymous