Mathematics - 6 July 2007

33. An employee who produces x units per hour earns an hourly wage of y = 0.80x + 10 (in dollars). Find the hourly wage for an employee who produces 17 units per hour.


35. Find the slope and the y-intercept.
y = 5x

2007-07-06 12:07:01 · 6 answers · asked by Dave 4

2007-07-06 12:01:46 · 8 answers · asked by *dirty ghetto kids *"DGK&qu 1

x^2 + y^2 =144

x^2 -4y^2 =64

can someone help me figure out the formula for this, everything I have done so far has been wrong.

2007-07-06 12:01:05 · 6 answers · asked by kimmeez 1

please help

2007-07-06 11:58:22 · 4 answers · asked by Bianca B 1

Find the slope and the y-intercept.
y = 5x

2007-07-06 11:55:37 · 3 answers · asked by Dave 4

a. 3 – X^2 = 9x
b. X^3 – 8 = 0
c. 2X^2 – 7X + 1
d. -5 – X^2 + 8X = 0
e. 6 + 5X – X^2

2007-07-06 11:43:33 · 4 answers · asked by Anonymous

A) y = –2
B) x = –2
C) y = –2x
D) x = 0

2007-07-06 11:37:55 · 6 answers · asked by Dave 4

Well I've done most of a trig problem, now it boils down to proving that cos36*cos72=1/4 (in degrees). Help anyone?

2007-07-06 11:30:44 · 4 answers · asked by jeporady123 1

Two types of tickets are sold for a concert. Adult tickets cost $12 each, while student tickets each cost $8. A total of 322 tickets are sold, bringing in a total of $3,456. How many students tickets were sold?

2007-07-06 11:16:55 · 11 answers · asked by *05* 1

the answer is either 2, 4, 8 or 16!

2007-07-06 10:48:48 · 7 answers · asked by Demetria 1

1. http://i209.photobucket.com/albums/bb248/pielover757/che1.jpg

2. http://i209.photobucket.com/albums/bb248/pielover757/che2.jpg

3. http://i209.photobucket.com/albums/bb248/pielover757/che3.jpg

4. http://i209.photobucket.com/albums/bb248/pielover757/che4.jpg

2007-07-06 10:28:32 · 1 answers · asked by Asgardfanofpie 1

Solve.
60/x-60/x-4=9/x
Answer: The solution is x=_____
(Type an integer or a fraction. Type N if there is no solution.)

2007-07-06 10:20:51 · 5 answers · asked by Anonymous

2007-07-06 09:57:24 · 17 answers · asked by cowmeowalot911 1

Electrical Current.The current ( I )in an electrical conductor varies inversely as the resistance (R) of the conductor. The current is 1/4 ampere when the resistance is 2304 ohms. What is the current when the resistance is 1296 ohms?

Answer: The current is ______ ampere.
(Simplify your answer. Type an integer or a fraction.)

2007-07-06 09:49:20 · 4 answers · asked by hllywdbabe7 1

How do I find the value of the discriminant of the equation, describe the roots completely, but not solve.

2007-07-06 09:45:11 · 6 answers · asked by Anonymous

i am in ninth grade, and i live in newyork. i already took two parts of math a (in 8th grade), and am supposed to finish the third and final part of math a and also begin (part 1 of 3) math b this coming school year in 9th grade. but over the summer i am moving to texas, and they dont have math a or math b. i am supposed to take either algebra or geometry, but i dont know which one i have to take since in new york the math system was different

2007-07-06 09:35:30 · 3 answers · asked by Anonymous

2007-07-06 09:28:19 · 13 answers · asked by Anonymous

Like 10 grams to 100 milligrams for example

2007-07-06 09:08:20 · 5 answers · asked by James Buchanan 1

Solve 4s^3-28s^2=72s

2007-07-06 09:00:24 · 9 answers · asked by hllywdbabe7 1

(2/3) ÷ (-4/9)

(-5/6) ÷ (-10/3)

(-9) ÷ 3

9 ÷ (-3)

(-9) ÷ (-3)

2007-07-06 08:52:00 · 7 answers · asked by kiki Dee 5

I need help with these math problems. I have an exam in a few days and i need someone to explain these practice problems.

1. Roy and Alan share some stamps in the ratio 4:5. the ratio of Roy's US stamps to Australian stamps is 3:5. If Roy has 8 more Australian stamps than US stamps, how many stamps does Alan have?

2. Cindy bought 4 shirts and 3 skirts. the amount of money she spent on all the shirts and all the skirts were in the ratio 10:9. If she bought each skirt at $18, how much did she pay for each shirt?

3. Alvin spends part of his money on food, rent and transport in the ratio of 2:7:5. If he spends 4200 less on transport than on rent, how much money does he spend on these three items?

2007-07-06 08:48:38 · 3 answers · asked by Anthony W 2

10 gallon gas tank
28 miles to the gallon
round trip 1200 miles
average gas price $2.99 p/gallon
total gas cost of trip =

2007-07-06 08:27:41 · 12 answers · asked by Anonymous

Last question for the day! I swear! XD Sorry. This is my last worksheet anyway. (x-7)^2= ?

How do you do these? Can someone give me a rundown and how to do them? I guess you have to square them but I'm not getting it...

2007-07-06 08:27:33 · 10 answers · asked by Katbot 2

Please explain how you got your answer with physical proof. No apriori thinking please. 1+1 in real usuage.

2007-07-06 07:57:57 · 9 answers · asked by Anonymous

1st question: x2 +8xy+16y2= (x+4) (x+4)
2 are squared. Is that correct then?
And I just asked a question and you guys really helped me but I don't get this

c^2 + 2cd + d^2 what are the ^ standing for? Because on my worksheet they aren't there. Thanks again guys you really are helpful!

2007-07-06 07:44:58 · 8 answers · asked by Katbot 2

The larger number is 3 more than twice the smaller numbers. Find the numbers.

2007-07-06 07:39:33 · 10 answers · asked by Renee S 1

concidering that i have no idea what a one-to-one function is, i find it rather difficult to asnwer this question, but my guess is -2... but i have no idea.

2007-07-06 07:36:50 · 4 answers · asked by borninaugust30 3

Help?! I don't get this, this is my second sheet and I don't get this one. It's nothing like the 1st one I got. You guys helped me with it earlier today. The problems on this is x2 + 4xy +4y2 =?

The 2 are squared and the c2 in the 1st problem is squared too, can someone help me understand how to find the factors? Like what? I'm not getting this at all. I just need to see it step by step and explain and then I will be able to do the 24 other ones. Thanks you so much!

2007-07-06 07:33:27 · 13 answers · asked by Katbot 2

1) Jay's salary is 2/3 of his wife's salary. In Jan., wen they both get $2000 raises, their combined income will be $49000. What are their current incomes?

2) A width of a rectangle is 6 cm less than the length. A second rectangle, with a perimeter of 54 cm, is 3 cm wider and 2 cm shorter than the first. What are the dimensions of each rectangle?

3) Victor earns $3 an hr working after school and $4 an hour wokring on Saturdays. Last week he earned $43, working a total of 13 hrs. How many hours did he work on Saturday?

could u show me how you did the question? thanks so much.

2007-07-06 07:31:02 · 6 answers · asked by Anonymous

2007-07-06 07:17:09 · 19 answers · asked by Renee S 1