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April 16, 2014

Homework Help: Math

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Recent Math Questions

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MATH
2, yes 1/2 3. I guess you want p(red)which is 5/8 4. You have to specify what you want, not imply it. What if the question asked what is the probability CD is ***NOT*** scratched or of NON-fiction
Thursday, March 13, 2014 at 3:50pm

math
There are 3 side orders: French fries, baked potato, or mashed potatoes. Find the probability of a customer choosing a baked potato. I think 1/3
Thursday, March 13, 2014 at 3:47pm

MATH
1. Sam flips two coins. Find probability of 1 head and 1 tail. I think 2/4 or 1/2 ----------------------------- yes, 4 possibilities including h,t and t,h so 2/4 = 1/2
Thursday, March 13, 2014 at 3:46pm

MATH
Write probability as fraction 1. Sam flips two coins. Find probability of 1 head and 1 tail. I think 2/4 or 1/2 2. You roll 1 number cube to show an odd number. I think 3/6 or 1/2 3. Sheila has 8 apples; 5 of them are red. I think 5/8 4. Of 12 books, 3 are fiction I think 3/12...
Thursday, March 13, 2014 at 3:41pm

math
yes, but divisible by 4 means x/4 = whole number 4 is divisible by 2 BUT 2 is NOT divisible by 4
Thursday, March 13, 2014 at 3:39pm

math
won't 2 go into 4
Thursday, March 13, 2014 at 3:35pm

math
1 2 3 4 5 6 the only one divisible by 4 is 4 1/6
Thursday, March 13, 2014 at 3:31pm

math
you roll a number cube numbered 1 to 6. P(a number divisible by 4) I think 3/6 or 1/2
Thursday, March 13, 2014 at 3:20pm

math
26+23+16+24=89 violet=24 so 24/89 Correct :)
Thursday, March 13, 2014 at 3:17pm

MATH
10+6+11=27 brown+white=17 so 17/27 correct 16,18,20,22,24,26,28 so 7/? 16,17,18,19,20,21,22,23,24,25,26,27,28 so ?/13 ---- 7/13 Correct
Thursday, March 13, 2014 at 3:16pm

math
A container has 26 orange, 23 pink, 16 blue, and 24 violet marbles. A marble is drawn at random. P(violet) I think 24/89
Thursday, March 13, 2014 at 3:14pm

MATH
A jar contains 10 green, 6 white, and 11 brown marbles. A marble is drawn at random. P(brown or white) I think 17/27 A number from 16 to 28 is drawn at random. P(an even number) I think 7/13
Thursday, March 13, 2014 at 3:12pm

MATH
1 2 3 4 5 6 primes: 1 3 5 so 3/6 = 1/2 ----------------- 5/6 YES, you got a NOT !!! :) ------------------------- yes -------------- yes
Thursday, March 13, 2014 at 2:54pm

MATH
You're correct
Thursday, March 13, 2014 at 2:52pm

MATH
You roll a number cube numbered from 1 to 6. P(a prime number) I think 3/6 or 1/2 P(not a 6) 5/6 P (an even number) 3/6 or 1/2 P (3,6,5,2, or 4) = 5/6
Thursday, March 13, 2014 at 2:47pm

math
[ -1 +/- sqrt (1 + 72) ] / 2 - 1/2 +/- (1/2) sqrt (73) Hey if a x^2 + b x + c = 0 then x = [ -b +/- sqrt(b^2 - 4 a c) ] / (2a)
Thursday, March 13, 2014 at 2:42pm

MATH
19 20 21 22 23 16 17 18 so 5/8
Thursday, March 13, 2014 at 2:39pm

Damon/ Math
You found probability that it IS white BUT It asked for the probability that it was NOT white 31/31 - 6/31 = 25/31
Thursday, March 13, 2014 at 2:39pm

math
quadrtic formula x^2+x-18=0
Thursday, March 13, 2014 at 2:37pm

MATH
A number from 16 to 23 is drawn at random. P(a number greater than 18) I think 5/8
Thursday, March 13, 2014 at 2:32pm

Damon/ Math
A jar contains 21 brown, 4 violet, and 6 white marbles. A marble is drawn at random. P(not white) I think 6/31 YOU DIDN'T SAY IF IT WAS CORRECT OR NOT
Thursday, March 13, 2014 at 2:31pm

math
You roll a number cube numbered from 1 to 6. P(a prime number) I think 3/6 or 1/2 P(not a 6) 5/6 P (an even number) 3/6 or 1/2 P (3,6,5,2, or 4) = 5/6
Thursday, March 13, 2014 at 2:28pm

math
That is much harder because I can not factor it. Have to use quadratic equation x = [ -1 +/- sqrt (1+16) ]/2 x = -1/2 +/- (1/2)sqrt(17)
Thursday, March 13, 2014 at 2:24pm

math
5 x^2 + 4 x - 1 = 0 (5x-1)(x+1) = 0 x = 1/5 or x = -1
Thursday, March 13, 2014 at 2:21pm

math
Is it correct?
Thursday, March 13, 2014 at 2:21pm

math
yes, that is the way dice is supposed to work.
Thursday, March 13, 2014 at 2:20pm

math
I know how you feel!!!!
Thursday, March 13, 2014 at 2:20pm

math
x^2+x-4=0
Thursday, March 13, 2014 at 2:20pm

math
5x^2 + 4x = 1
Thursday, March 13, 2014 at 2:19pm

math
Hey, that word NOT again !!!!!
Thursday, March 13, 2014 at 2:19pm

math
You roll a number cube numbered from 1 to 6. P(2) I think 1/6
Thursday, March 13, 2014 at 2:18pm

math
A number from 16 to 23 is drawn at random. P(a number greater than 18) I think 5/8
Thursday, March 13, 2014 at 2:17pm

math
A jar contains 21 brown, 4 violet, and 6 white marbles. A marble is drawn at random. P(not white) I think 6/31
Thursday, March 13, 2014 at 2:16pm

math
Right!
Thursday, March 13, 2014 at 2:08pm

math
yes
Thursday, March 13, 2014 at 2:05pm

Math
l
Thursday, March 13, 2014 at 2:04pm

math
agree
Thursday, March 13, 2014 at 2:03pm

math
21 + 4 + 12 + 18 = 55 so 4/55 yes
Thursday, March 13, 2014 at 2:03pm

math
Hmmm. of the 11 numbers, how many are NOT 23?
Thursday, March 13, 2014 at 2:02pm

math
probability that it IS 23 is 1/11 probability that it is NOT is 10/11
Thursday, March 13, 2014 at 2:02pm

math
A jar contains 8 red, 24 purple, 18 violet, and 24 yellow marbles. A marble is drawn at random. P(yellow) I think 24/74
Thursday, March 13, 2014 at 1:54pm

math
A jar contains 25 navy, 21 white, 13 purple, and 7 brown marbles. A marble is drawn at random. P(purple or navy) I think 38/66
Thursday, March 13, 2014 at 1:52pm

math
A number from 21 to 30 is drawn at random. P( a number less than 24) I think 3/10
Thursday, March 13, 2014 at 1:49pm

math
A jar contains 21 red, 4 black, 12 orange, and 18 pink marbles. A marble is drawn at random. P(black) I think 4/55
Thursday, March 13, 2014 at 1:47pm

math
A number from 20 to 30 is drawn at random. P(not a 23) I think 1/11
Thursday, March 13, 2014 at 1:44pm

math
So, P(violet, pink, or blue) = V+P+B
Thursday, March 13, 2014 at 1:40pm

math
assuming that what was meant is that the jar contains ONLY green and purple marbles . . . I think we can say that, but it's also possible that other marbles were not mentioned. Read Heinlein's Stranger in a Strange Land. One of the characters is a professional observer...
Thursday, March 13, 2014 at 1:39pm

math
A jar contains 6 pink, 7 violet, 26 green, and 13 blue marbles. A marble is drawn at random. P(violet, pink, or blue). V = 7/52 P = 6/52 B = 13/52
Thursday, March 13, 2014 at 1:38pm

math
correct
Thursday, March 13, 2014 at 1:36pm

math
number 2 is ok #1. Come on! The numbers are 1,2,3,4,5,6 only FOUR is divisible by 4! P(4) = 1/6
Thursday, March 13, 2014 at 1:35pm

math
A jar contains 25 green and 17 purple marbles. A marble is drawn at random. P(not a 23). Answer 17/42
Thursday, March 13, 2014 at 1:35pm

math
now you're cookin' (aside from that pesky 32!)
Thursday, March 13, 2014 at 1:34pm

Probability - Math
total junior or seniors / total students (.16+.24)/1.00 = .40 Those who live in the dorm: (.16*.30 + .24*.20)/1.00 = .096
Thursday, March 13, 2014 at 1:33pm

math
Then number one would be 3/6 or 1/2 And number 2 will be 5/8
Thursday, March 13, 2014 at 1:14pm

math
So then number 1 is correct Number 2 is Violet - 7/52 Pink - 6/32 Blue - 13/52
Thursday, March 13, 2014 at 1:11pm

Probability - Math
According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore, 16% are junior, and the rest are senior. Among the freshmen, sophomores, juniors, and seniors, the portion of students who live in the dormitory ...
Thursday, March 13, 2014 at 1:08pm

Math
assuming the velocity is as written, a = 3(2) = 6 If you meant 3(2t+1)^0.4, then a = 2.4/(2t+1)^0.6 as usual, s = 25 + 1/2 at^2 = 25 + 3t^2 or = 25 + 1.2(2t+1)^1.4 just plug in your values.
Thursday, March 13, 2014 at 12:50pm

math
ummm, 6+7+26+13 = ?
Thursday, March 13, 2014 at 12:46pm

math
A jar contains 21 brown, 4 violet, and 6 white marbles. A marble is drawn at random. what is the probability you will not draw a white marble? Answer 6/31 A jar contains 6 pink, 7 violet, 26 green, and 13 blue marbles. A marble is drawn at random. what is the probability you ...
Thursday, March 13, 2014 at 12:42pm

math
If there are 6 numbers on the die, how many of them are multiples of 4? I think not 2. How many numbers are there from 16-23? Remember to count both 16 and 23. #3 ok
Thursday, March 13, 2014 at 12:40pm

math
You roll a number cube numbered from 1 to 6. what is the probability you roll a number divisible by 4? Answer: I think 2/6 or 1/3 A number from 16 to 23 is drawn at random. what is the probability you draw a number greater than 18? Answer 5/7 A jar contains 21 brown, 4 violet...
Thursday, March 13, 2014 at 12:35pm

math You have a typo
6" = .5 ft 3" = 3/12 ft = .25 ft 13.25 * 12.5 = 165.625 typo somewhere :( I bet it is 11' s" by 12' 6" because that gives140.625
Thursday, March 13, 2014 at 12:00pm

math
Jana is going to install ceramic tiles in her kitchen. It measures 13' 3" by 12' 6". How many square feet of tile does Jana need? a.) 142.38 square feet b.) 143 square feet c.) 140.625 square feet Can you please show me how you got your answer
Thursday, March 13, 2014 at 11:49am

math/science
48 sec
Thursday, March 13, 2014 at 11:26am

Math, accounting, investments
A firm is evaluating two machines. The first costs $250,000 and will require annual maintenance of $30,000 per year for 10 years. At the end of 10 years, the salvage value will be $75,000. The second machine costs $400,000 and will require $225,000 at the end of the fifth year...
Thursday, March 13, 2014 at 11:09am

Math
5
Thursday, March 13, 2014 at 11:07am

math
and it's illegal to buddy
Thursday, March 13, 2014 at 10:03am

math
b = shoe price s = sock price 2 b + 4 s = 125 times 3 3 b + 5 s = 182 times 2 6 b + 12 s = 375 6 b + 10 s = 364 ----------------- subtract 2 s = 11 s = $5.50
Thursday, March 13, 2014 at 5:52am

College math
You are welcome :)
Thursday, March 13, 2014 at 5:23am

College math
Thank you Damon. I could not have done this without your help!!
Thursday, March 13, 2014 at 5:12am

College math
area = pi r^2 = 16 pi = 50.26548246 m^2 approximately circumference = 2 pi r = 25.13274123 meters
Thursday, March 13, 2014 at 4:52am

College math
c^2 = a^2 + b^2 the hypotenuse is always the longest side.
Thursday, March 13, 2014 at 4:49am

College math
Find the area and the circumference of a circle of radius 4 meters. Thank you
Thursday, March 13, 2014 at 3:57am

College math
The length of the sides of a triangle are given as 8, 15, 17. The hypotenuse is the side that is the length of ____?
Thursday, March 13, 2014 at 3:55am

math
Corporations are subject to specific corporate tax rates different from those for individuals.
Thursday, March 13, 2014 at 1:12am

math
Two pairs of shoes and four pairs of socks cost $125, and three pairs of shoes and five pairs of socks cost $182. Find the cost of a pair of socks. $
Thursday, March 13, 2014 at 1:06am

Math
yes
Thursday, March 13, 2014 at 12:27am

Math
well, the factors of 18 are 1,2,3,6,9,18 The -21 in the middle makes me think that 2,9 will be likely, so (4x+9)(x-2) gives +x nope (2x+9)(2x-2) gives +14 Hmmm. That pesky 4. So, (4x+3)(x-6) : -21x YAY!
Thursday, March 13, 2014 at 12:26am

Math
after the 1/3, she had 2/3 left 1/2 of that is another 1/3, so if she started out with x, x - x/3 - x/3 = 6 x = 18 check: she spent 6, had 12 left. she lost half of 12, or another 6, leaving her with just 6.
Thursday, March 13, 2014 at 12:24am

Math
How do you factor this? 4x^2 - 21x - 18?
Thursday, March 13, 2014 at 12:22am

math
find the factors. If any of them is zero, the product is zero. Sometimes the factors are hard to find, and sometimes there are none using just real numbers. For higher than quadratics, it starts to become necessary to use various numerical methods.
Thursday, March 13, 2014 at 12:22am

Math
G
Thursday, March 13, 2014 at 12:10am

math
pickles
Wednesday, March 12, 2014 at 11:53pm

Math
Selma went to the mall and spent 1/3 of her money. She then lost 1/2 of what she had left. She then had $6. How much money did Selma originally have?
Wednesday, March 12, 2014 at 11:49pm

math
Rectangular school yard 280 meters by 245 meters is to be fenced, how many meters of fencing will be required to fence it completely
Wednesday, March 12, 2014 at 11:35pm

Math
If I had 32 kilobytes and was converting them to Hectobytes using the K H D b d c m would it be 320 hectobytes?
Wednesday, March 12, 2014 at 10:40pm

math
28/4 = 7 in
Wednesday, March 12, 2014 at 10:23pm

math
The voltage (in volts) induced in a coil of wire is v = (2t + 1)0.5. The current in the coil is initially 0.3 amps, and the inductance is 5H. What is the equation for the current in the coil?
Wednesday, March 12, 2014 at 10:21pm

Math
The velocity (feet per second) of an object is given by the equation v = 3(2t + 1)0.4. What is the equation for the acceleration of the object? What is the equation for the displacement of the object? The displacement is initially 25 feet. What are the values of the ...
Wednesday, March 12, 2014 at 10:20pm

math
the perimeter of a square is 28 inches. What is the length of each side?
Wednesday, March 12, 2014 at 10:14pm

math
How do you solve an equation with trinomials and polynomials equal to zero?
Wednesday, March 12, 2014 at 9:34pm

math
No, That answer makes no sense. 2.8 pages???
Wednesday, March 12, 2014 at 9:17pm

math
Is the answer 2.80?
Wednesday, March 12, 2014 at 9:04pm

math
Divide.
Wednesday, March 12, 2014 at 9:01pm

math
There are 518 student pictures for the yearbook. If 15 pictures fit on a page, how many pages can be completely filled?
Wednesday, March 12, 2014 at 9:00pm

math
Multiply
Wednesday, March 12, 2014 at 8:56pm

math
http://state-facts.findthedata.org/q/20/​1899/What-is-the-highest-point-in-Alabam​a
Wednesday, March 12, 2014 at 8:54pm

math
It costs about .10cents per week to feed a snake. How much does it cost to feed 35 snakes for 4 weeks?
Wednesday, March 12, 2014 at 8:53pm

math
Subtract. I question the accuracy of the lowest point in Alabama.
Wednesday, March 12, 2014 at 8:51pm

math
2096 * 3 = _______ feet
Wednesday, March 12, 2014 at 8:50pm

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