Mathematics - 11 October 2007

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2007-10-11 12:19:26 · 1 answers · asked by Ant J 1

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2007-10-11 12:18:03 · 9 answers · asked by Ant J 1

A baseball diamond has the shape of a square with sides 90 feet long. A player hits the ball and runs toward first base with a speed of 24 feet per second. At what rate is the player’s distance s from third base changing when the player is halfway to first base?

someone please explain this in a way thats easy to understand!
:]

2007-10-11 12:15:13 · 1 answers · asked by katuhstrahfik 1

Given the circle (x – 6)2 + (y + 2)2 = 9, determine if the line with an equation of 3x – 2y = 12 is a tangent to the circle, a secant to the circle, or neither.

tangent
secant
neither

2007-10-11 12:01:19 · 1 answers · asked by Ant J 1

how do you figure out what the speed of light is in a substance? i need the speed of light in a substance to use in the equation n=c/v to figure out n (index of refraction) cause all i have is c. idk how to figure out the speed of light in the substance...im guessing i have to use another eqation? does it have to do with Snells law? i just dont know, please enaswer and explain if you can.

Here is another question:
a 60 watt light bulb is located 10m away from a 2m by 3m wall. the light intensity on the wall is 1900 lux use the inverse suare law to find the intensities if the distance is change to 20m 30m and 40m.
-i kinda get the inverse square law liek if it is double the distance away you take the inverse fo 2 ( which whould be 1/2) and square it but...i had a practice problem JUST like this with different numbers and i got it wrong ann i know im missing somethingg?? idk what though. please help and explain<333 thank you

2007-10-11 11:46:30 · 2 answers · asked by Anonymous

2007-10-11 11:43:55 · 5 answers · asked by LOVELY 1

sttate the coordinates of the vertex of the parabola whose equation

2007-10-11 11:39:59 · 5 answers · asked by LOVELY 1

2007-10-11 11:30:59 · 8 answers · asked by jeffhardygirl24_7 3

For the polynomial function f(x)=2x^4-7x^3+11x-4

a) find the x-and y-intercepts for the graph of f. Round to 2 decimal places, if necessary.
b) Determine whether the graph crosses or touches the x-axis at each x-intercept

2007-10-11 11:20:12 · 4 answers · asked by Pinkigal 2

please.

tell me which of the folllowing it is:

a: -8xy

b: 5xy

c: -xy

d: -22xy

2007-10-11 11:13:32 · 8 answers · asked by Pringle 2

I posted about an hour ago and i don't know if the answer the guy gave was correct. So im looking for a second opinion.
How do you get the rational zeros? And also how do you find the real zeros? If work could be shown it would be greatly appreciated.

2007-10-11 11:09:01 · 5 answers · asked by Anonymous

My son is having trouble adding and subtracting integers are there games that could help him learn it?

I would hire him a tutor but he has to many activities. Thanks

2007-10-11 11:06:55 · 3 answers · asked by MentoKings10 2

(5x^3+6x-8) / (x+2)

now i worked it...pls tell me if my answers right??

(x+2) (5x^3-10x^2+26x-60)

bc i have no way of telling. and if wrong pls tell me wat i did wrong!

2007-10-11 11:06:00 · 2 answers · asked by Anonymous

2007-10-11 11:02:29 · 6 answers · asked by lobstergirl 4

the graph of the line passing through the points (6, 7) + (4, 2) has a slope of:
?

2007-10-11 10:59:25 · 5 answers · asked by =] 1

Find in radical form the length of a diagonal of a square if the perimeter of a square is 20.

2007-10-11 10:54:33 · 4 answers · asked by blahhhhhh 2

please tell me how u did this. thanks!

2007-10-11 10:52:17 · 10 answers · asked by Anonymous

please help!
best answer will be rewarded

2007-10-11 10:46:09 · 9 answers · asked by Anonymous

the base of a temple is a rectangle with a perimeter of 300 m. The area of the base is 4400 m squared. what are the dimensions of the base?

2007-10-11 10:45:30 · 2 answers · asked by A 1

2007-10-11 10:44:50 · 12 answers · asked by Anonymous

REAL ESTATE: AMC Homes, Inc. is planning to build three- and four-bedroom homes in a housing development called Chestnut Hills. Consumer demand indicates a need for three times as many four-bedroom homes as for three-bedroom homes. The net profit from each three-bedroom home is $16,000 and from each four-bedroom home, $17,000. If AMC Home must net a total profit of $13.4 million from this development, how many homes of each type should they build?

2007-10-11 10:44:21 · 4 answers · asked by blessed 1

I'm trying to do this in VB and I don't know how to get the iinverse sine.

2007-10-11 10:40:56 · 3 answers · asked by pblair19 1

The manufacturer of a CD player has found that the revenue R(in dollars) is R(p)= -4p^2+1460p, whenthe unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?

2007-10-11 10:40:03 · 3 answers · asked by Pinkigal 2

From an alphabet of 8 symbols, say {A,B,C,D,E,F,G,H}, I randomly pick 86 symbols. What is the probability of any symbol being picked 25 times or more?

2007-10-11 10:38:54 · 3 answers · asked by tsr21 6

A developer wants to enclose a rectangular grassy lost that borders a city street for parking. If the developer has 252 feet of fensing and does not fence the side along the street, what is the largest area that can be enclosed?

2007-10-11 10:37:24 · 2 answers · asked by Pinkigal 2

2007-10-11 10:34:26 · 2 answers · asked by Random G 3

Boxes can contain 0 balls in them too.

2007-10-11 10:31:24 · 16 answers · asked by dan_steinke 1

and an explanation would be much appreciated.

2007-10-11 10:31:15 · 1 answers · asked by Fred 1

2007-10-11 10:31:12 · 1 answers · asked by Random G 3

i need to know about the integration of two different variable.plz solve my problem

2007-10-11 10:25:43 · 2 answers · asked by RAMESH KATA 1