Mathematics - 10 October 2006

expected value of coin selected from a drawer. Assume that the drawer contains 14 coins: 8 quarters, 2 dimes, and 4 nickels. One coin is randomly selected.

What is the expected value of the coin selected (in cents)?

i keep getting .1714.... and its wrong, it has to be right

2006-10-10 15:09:43 · 7 answers · asked by Anonymous

A (0,0)
B(4,6)
C(8,2)

Im not really sure what the question is asking but any help would be great! thanks

2006-10-10 15:05:39 · 3 answers · asked by Anonymous

(2 x2 + 7 x + 3).

2006-10-10 15:01:46 · 5 answers · asked by Korey's Mamacita 1

[-b plus or minus sq. root of (bsquared-4ac)] /2a

2006-10-10 15:01:23 · 6 answers · asked by imjustasteph 4

(4 x + 3)(-2 x - 5)

2006-10-10 15:01:06 · 4 answers · asked by Korey's Mamacita 1

What is the greatest common factor of x5 y and x4 y2?

2006-10-10 15:00:24 · 5 answers · asked by Korey's Mamacita 1

2006-10-10 14:59:09 · 3 answers · asked by Anonymous

how can you tell an equation is linear.
pls give example

2006-10-10 14:53:13 · 8 answers · asked by sunoje2000 2

2006-10-10 14:47:36 · 9 answers · asked by Anonymous

( a - b) less ( b - c)

2006-10-10 14:42:08 · 5 answers · asked by Anonymous

(5 d + 10 p) ÷ (-5)

2006-10-10 14:39:20 · 14 answers · asked by Anonymous

3 x [ 2( x + 5) - 7 x ]

2006-10-10 14:38:37 · 7 answers · asked by Anonymous

2006-10-10 14:34:08 · 5 answers · asked by ELVIA 2

1.What is the difference between prime and composite numbers?Provide two examples
for each.

2. What is the difference between a factor and a multiple? Provide two examples of each.

3. Is the number 1 (prime, composite, or neither)? Explain your answer.

4. List all of the prime numbers 1-100.

5. Define least common denominator (LCD) and greatest common factor (GCF). Provide
two examples of each.

6. Find the LCD and GCF 27 and 45. EXPLAIN in detail how you found each answer.

7. Use your book or research on the internet. Help your group by listing divisibility rules.
How can tell if a number is divisible by 2, 3, 5, 6, 9, and 10?

8. What does it mean for a number to be "divisible" by another? Provide two examples.

9. If a number is divisible by another number, will it ever have a remainder? Provide two
examples of numbers that are NOT divisible by another. Make sure you indicate the
remainder (ex. 5 r 3- Use little r for the remainder in your answer.)

10. How will the GCF help you REDUCE fractions? Provide two examples.

11. In the next section of chapter 2, we will learn how to add and subtract fractions. To
add and subtract fractions, you must have the SAME number on the bottom parts of the
fractions. How will finding the LEAST COMMON DENOMINATOR be helpful in this process?
How will this help if we had to add 5/12 + 7/8? Explain your answer.

12. Find the prime factors of a) 76, b) 97, and c) 145, and d) 2,007. Explain how you got
the answers..not just listing the answer.

2006-10-10 14:26:44 · 2 answers · asked by Flower Girl 6

2006-10-10 14:18:28 · 7 answers · asked by Jay V 1

Im sitting here doing my math homework about to cry. No matter how much cancelling out a do and stuff, both sides never seem to even up so i can write the notation.

here are 2 examples of what im having trouble with

3+2(x+5)>(greater or equal to) x+5(x+1)+1

&

x+2>(greater or equal to) or 3x<(less then or equal to)x

HELP!!!!

2006-10-10 14:18:25 · 3 answers · asked by woah 2

2006-10-10 14:17:14 · 2 answers · asked by antionette f 1

2006-10-10 14:11:17 · 6 answers · asked by melonamc 3

2006-10-10 13:59:48 · 5 answers · asked by Stefany A 1

2006-10-10 13:59:32 · 9 answers · asked by Anonymous

This problem is bugging me:

a rectangle storage container with an open top is to have a volume of 10m3. the length of the base is twice its width. material for the base costs $10 per square meter. material for the sides cost $6 per square meter. find the cost of the cheapest container.

2006-10-10 13:56:52 · 4 answers · asked by pheonixfire2018 1

2006-10-10 13:52:54 · 7 answers · asked by cutiepie68 2

what is the solution to this set of inqualities

y > or equal to 2x+1
y < or equal to 2x-2
y > or equal to -3x+9

2006-10-10 13:50:29 · 4 answers · asked by someguy 2

For example: The program begins "PROMPT N"; I store 24 for "N"; and by the time the program finishes, I get a list that reads "1,2,3,4,6,8,12,24". Thanks for the help.

2006-10-10 13:43:26 · 1 answers · asked by Bob 3

2006-10-10 13:36:03 · 7 answers · asked by Stefany A 1

1. r(t) =
2. r(t) =
3. r(t) =
4. r(t) =
5. r(t) =

2006-10-10 13:31:11 · 2 answers · asked by Faraz S 3

2006-10-10 13:29:36 · 4 answers · asked by Anonymous

if i have 50 coins, all quarters and dimes, worht 9.20. how many of each do i have???

2006-10-10 13:29:35 · 5 answers · asked by Anonymous

Is it 21 2/1 or 22 or what?

2006-10-10 13:24:18 · 7 answers · asked by Monique 1

You have five oranges. If the oranges are evenly shared with the runners, how much of an orange should each runner get?

2006-10-10 13:18:35 · 7 answers · asked by Anonymous