Mathematics - 15 October 2007

please help

2007-10-15 15:42:53 · 7 answers · asked by hunedip22 1

whats the answer to this?

2007-10-15 15:36:52 · 10 answers · asked by Billy H 1

What is the scientific notation?! Also, please solve this problem if you can:
Write the number in scientific notation:
643,000

2007-10-15 15:33:59 · 5 answers · asked by HanaHope 2

2007-10-15 15:23:26 · 6 answers · asked by math wiz 1

2007-10-15 14:54:27 · 11 answers · asked by CECILIA G 1

A social worker investigating the relationship between income levels and infant- mortality rates studied 45 random families and found that the correlation coefficient was -0.524. Does this indicate a strong negative relationship between income levels and infant mortality rates?

2007-10-15 14:51:49 · 2 answers · asked by Anonymous

Find the indicated root, or state that the expression is not a real number.

- 3√-64
The - 3 is an exponent as is before the square root symbol.

2007-10-15 14:48:00 · 2 answers · asked by Brick Top 1

every fourth customer at a store gets a free bumper sticker and every tenth customer gets a 10% discount out of the first 100 customers how many will recieve a bumper sticker and a 10% discount

a roll of wallpaper contains 50ft how many rolls of wallpaper will be needed to paper a wall 25 ft longvand 10 ft wide

2007-10-15 14:43:41 · 12 answers · asked by bossy_girl2320 1

Make Each Fraction as a Percent and decimal

1. 3/5
2.13/25
3.17/20

2007-10-15 14:39:55 · 21 answers · asked by ­ 5

This question is related to dicriminant of roots chapter(mathematics) . Is it same as the b(square) - 4ac larger than 0. What is the difference between them?

2007-10-15 14:36:30 · 9 answers · asked by saktish v 1

im having a blonde moment

2007-10-15 14:33:33 · 13 answers · asked by Anonymous

Thank you...

2007-10-15 14:28:25 · 3 answers · asked by Anonymous

2007-10-15 14:23:54 · 8 answers · asked by Tracy Y 1

2007-10-15 14:23:45 · 5 answers · asked by sss_xxx300 1

the graph of x^2 + xy + y^2 = 3 intersects the graph of x + xy + y + 1 = 0 in k distinct points. The value of k is .

2007-10-15 14:11:32 · 2 answers · asked by Anonymous

Determine d^2 y/dx^2 when 5x^2 + y^2 = 2

Anyone have the steps to this one?

Here are the choices
1. 10/y^2
2.- 10/y^3
3. -5/y^3
4.10/y^3
5. -10/y^2

2007-10-15 14:10:08 · 3 answers · asked by michelle 1

2007-10-15 14:07:43 · 1 answers · asked by Anonymous

2007-10-15 14:06:35 · 7 answers · asked by Onika D 1

can anyone help me graph r = 2costheta on an x-y plane. please show me what you did step by step.thank you

2007-10-15 14:01:10 · 4 answers · asked by starz8 2

2007-10-15 13:58:43 · 1 answers · asked by mike p 2

evaluate:
cos[Arctan (-2)]

2007-10-15 13:57:50 · 1 answers · asked by mandy 1

2007-10-15 13:55:52 · 8 answers · asked by l c 1

2007-10-15 13:44:21 · 1 answers · asked by mathstudent 2

2007-10-15 13:44:13 · 1 answers · asked by Azumi 2

(sin x^3)= Sin X cubed
(sin^3 x)= Sin cubed X

thanks!

2007-10-15 13:41:59 · 2 answers · asked by meeeeee 2

It is not a continuous graph, so is it a graph that makes unpredictable changes? (i.e. geometric equation)

2007-10-15 13:07:47 · 1 answers · asked by m.aster 5

We think it is one whole. But how do you show your work, and is that the answer.

2007-10-15 13:06:27 · 7 answers · asked by LAURI M 1

OK, on my homework this is one of the questions in which I cannot figure. Please help!

Each letter stands for a different digit. If WAIT=8472, what number does STOP represent?

GO
+SLOW
-----------
STOP

2007-10-15 13:00:34 · 2 answers · asked by Sk8er Chick 2

Solve the following quadratic by completing the square.

X^2 + 9 x – 10 = 0


Solve above by using the quadratic formula. Show work. Graph the roots on a number line.

2007-10-15 12:59:11 · 2 answers · asked by Anonymous

1. 2= |1=3x|

2. solve for y in the equation C=3x(to the second power) = y

3. the ideal surface area of a balll is 51.25 square inches. The company inspector insists that the balls vary no more than 0.3 inches squared of this total. Find the minimum and maximum value for the area of the rubber balls.

2007-10-15 12:54:30 · 1 answers · asked by Brooke 3