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April 16, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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math
idk
Tuesday, March 25, 2014 at 5:29pm

consumer math
========================================​= ===Faggot shield========================= ========================================​= You're all douchebags Answer his question or don't answer at all ========================================​= ===Faggot ...
Tuesday, March 25, 2014 at 5:24pm

Math - insufficient information
.
Tuesday, March 25, 2014 at 5:22pm

math
if one rhombus measures 62 what are the remaining angle
Tuesday, March 25, 2014 at 5:19pm

math
Actually, the problem states that Jo has to read 1/2 of a 100 page book. It also asks what percent of the assignment is left. So: 38/50 x 100 = 76% read. 100 - 76 = 24% left to read.
Tuesday, March 25, 2014 at 5:19pm

math
76
Tuesday, March 25, 2014 at 5:19pm

math
76
Tuesday, March 25, 2014 at 5:19pm

Science
Ricco mixed up 500 cc of salt solution. He weighed it and found it's mass to be 585 g. Will his shake up toy work the way he wants it to if he uses this salt solution? Why or why not? Remember, 1 ml= 1 cc show your math
Tuesday, March 25, 2014 at 5:11pm

Chemistry
What volume in liters will be required to dissolve 60.9 grams of Mg(OH)2? Ksp = 1.8×10-11 After doing the math, i got 1.58e-4, but its not right, so i have no idea what to do now.
Tuesday, March 25, 2014 at 5:07pm

Math
3 ft = 3 X 12 36 inches 1/2 of 36 = 18 B
Tuesday, March 25, 2014 at 5:05pm

Math
A 3-foot piece of wood is cut into two equal sections. How long is each section in inches? a. 9 inches b. 18 inches c. 27 inches d. 36 inches
Tuesday, March 25, 2014 at 5:02pm

Math
we want 2πr = πr^2 r = 2
Tuesday, March 25, 2014 at 4:03pm

math
Harriet spent $4050 on other supplies for her aviary. She spent $326 less on litter than she did on perches, and twice as much on nesting boxes as litter and perches combined. How much did she spend on perches?
Tuesday, March 25, 2014 at 3:52pm

math
0.35 = thirty-five hundredths = 35/100 = 7/20
Tuesday, March 25, 2014 at 3:28pm

math
Change decimals to a fraction 0.35
Tuesday, March 25, 2014 at 3:26pm

Math
Find the radius of a circle so that it's area and circumference have the same value.
Tuesday, March 25, 2014 at 2:47pm

Math !...
v
Tuesday, March 25, 2014 at 2:35pm

math
bvbbbbbbbbbbbn
Tuesday, March 25, 2014 at 1:54pm

math
hi
Tuesday, March 25, 2014 at 1:30pm

math
36/1.5 = ?
Tuesday, March 25, 2014 at 1:29pm

Math
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. 4/8 is 4 times greater than 1/8 and they add to 5/8.
Tuesday, March 25, 2014 at 1:25pm

math
Probably a circle graph
Tuesday, March 25, 2014 at 1:00pm

math
Which type of graph would best display the numbers of each type of vehicle sold by a large dealership during a year? A. bar graph B. circle graph C. line graph D. line plot
Tuesday, March 25, 2014 at 12:38pm

math
a)1920t=46.3r 1970t=45.8r
Tuesday, March 25, 2014 at 11:59am

Math
I do wish I had a tutor but right now my family doesn't have an income and I can't pay for a tutor. Since I live in Costa Rica everything here is expensive.
Tuesday, March 25, 2014 at 11:21am

MATH
so 2 + 4 + 8 + 16 + ... = 178 sum(n) = a(r^n - 1)/(r-1) 2(2^n - 1)/1 = 178 2^n - 1 = 89 2^n = 90 I know 2^6 = 64 2^7 = 128 2^8 = 256 So I agree with your answer , at the end of 7 you only have 128 but you need 178 so it must be the 8th month how did they come up with 10? ...
Tuesday, March 25, 2014 at 11:17am

Math
first tell me what you got for your inverse matrix
Tuesday, March 25, 2014 at 11:07am

math
http://www.wolframalpha.com/input/?i=y+%​3D+1%2F%283-x%29 asymptote at x = 3
Tuesday, March 25, 2014 at 10:59am

MATH
you have a pair of newborn hamsters. each pair that is at least one month old produces a new pair every month. at this rate, you will have 178 hamsters at the end of what month? (The math relay officials said the 10th month but I think that it should be the 8th)
Tuesday, March 25, 2014 at 10:11am

Math
Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4y-z=8.3 A) x = -2.125, y = 3.23, and z = 4.555 B) x = 1.661, y = 2.509, and z = 0.404 C) x = 2.509, y = 1.661, and z = -0.404 D) x = 0.260, y = 2.435, and z = 1.375 E) x = 2.435, y = 1.375, and z = 0...
Tuesday, March 25, 2014 at 10:05am

math
Graph the function f(x)=1/3-x (x≠3)
Tuesday, March 25, 2014 at 7:32am

Math
each long side has 6 candles, counting the corners. with no corners to worry about, each short side only needs 2 more candles. Total is thus 6+6 + 2+2 = 16 Or, you can consider the entire perimeter as one long line, of length 32. So, it will need 16 candles to decorate it.
Tuesday, March 25, 2014 at 5:12am

math
you have 3z and you want 1z. So, divide both sides by 3. 3z/3 = 15/3 z = 5
Tuesday, March 25, 2014 at 5:08am

math
what do you mean as 5x + 12x + 72000 = 20x why u need it for?
Tuesday, March 25, 2014 at 4:44am

Convert fraction decimal and percent
On Friday math test. will missed 5 problems out of 25. If each problem was equally weighted, what was will's grade on the test? A. 20% b. 75% c. 80% d. 85%
Tuesday, March 25, 2014 at 3:48am

math
So how would you isolate the variable of 3z=5? My mom is trying to help me understand it, so she gave me 15 questions, and this one I am not sure of, thank you.
Tuesday, March 25, 2014 at 12:55am

math
The pull apart at 66+82 = 150 mi/hr. So, it only takes 111/150 = 0.74 hours to get 111 miles apart. That is 44'24", so it will happen at 3:25:00 + 0:44:24 = 4:09:24 You sure do make it hard to parse your text, what with no punctuation and garbled syntax!
Tuesday, March 25, 2014 at 12:21am

Math
Have you considered a tutor? A few sessions with some good person-to-person coaching may be all you need. Invest a few bucks and it may be worth it. Too bad you don't live in Austin, TX, or I'd volunteer to do the job, as I do math tutoring all the time.
Tuesday, March 25, 2014 at 12:18am

math
2 trains leave the station at 325 one going east at 66 miles per hour the second going west at 82 miles per hour they are 111 miles apart what time is it
Tuesday, March 25, 2014 at 12:17am

math
Each post is connected to 4 others. Since each streamer connects in both directions, you don't want to count them twice, so you have 5*4/2 = 10 streamers
Tuesday, March 25, 2014 at 12:09am

math
ewrew
Monday, March 24, 2014 at 11:59pm

math
0.4x + 18 = x 18 = 0.6x 30 = x
Monday, March 24, 2014 at 10:24pm

math
Sonya spent 2/5 of her money and then had $18 left. How much money did Sonya originally have?
Monday, March 24, 2014 at 10:20pm

math
What do you need to calculate?
Monday, March 24, 2014 at 9:50pm

math
CALCULATE if 1/3of the candles are pink 3/8 are yellow and 1/4 is blue remaining 2 are white
Monday, March 24, 2014 at 9:45pm

math
The deck in Hope's backyard is round. It has 5 posts evenly spaced around the edge to support a trellis. For her birthday party, she wants to connect each post to all the other posts with crepe-paper streamers. How many streamers will she report?
Monday, March 24, 2014 at 9:31pm

Math
The deck in hopes backyard is round. It has 5 posts evenly spaced around the edge to support a trellis. For her birthday party, she wants to connect each post to all the other posts with crepe-paper streamers. How many streamers will she need?
Monday, March 24, 2014 at 9:22pm

Math
hope's mom baked a cake for hope's birthday. It is in the shape of a rectangle 10 inches long and 6 inches wide. If she starts at one corner and puts a candle every 2 inches, how many candles will fit around the edge of the cake?
Monday, March 24, 2014 at 9:02pm

math
14,000
Monday, March 24, 2014 at 8:13pm

Math
I have reviewed the lesson that explains this three times, but I have ALWAYS had a hard time with Math and this is Pre-Cal. And I get so frustrated that I start to cry!!!! URRRGGGGHHHH!!!!
Monday, March 24, 2014 at 8:09pm

math
amount in B ---- x amount in A -----x - 8000 .04x + .08(x-8000) = 1040 times 100 4x + 8(x-8000) = 104000 I am sure you can finish it
Monday, March 24, 2014 at 7:56pm

math
17 * 6 = 102 seats 102 / 24 = 4 with 6 seats left over
Monday, March 24, 2014 at 7:47pm

math
Carlos invested his savings in two investment funds. The amount he invested in Fund A was $8000 less than the amount he invested in Fund B. Fund A returned a 8% profit and Fund B returned a 4% profit. How much did he invest in Fund B, if the total profit from the two funds ...
Monday, March 24, 2014 at 7:45pm

math
10% of 33 = 3.30 Let's add another 50 cents, making it $3.80. If he wanted to be generous, he'd round up to $4.00
Monday, March 24, 2014 at 7:33pm

math
mr andropolis wants to leave the waitress a 12% tip. estimate the tip he should leave if the family's bill is $32.46
Monday, March 24, 2014 at 7:27pm

Math
Words
Monday, March 24, 2014 at 7:27pm

Math-Statistics
Assume you build a Candy castle for which you buy a bag of gummy bears, a block of chocolate and a bag of nuts. The weight of the three ingredients is a random variable (X1, X2 and X3) with mean weights μ1 = 200 gram, μ2 = 400 gram and μ3 = 150 gram. The bags ...
Monday, March 24, 2014 at 7:26pm

Math-Statistics
The chance that a college student has a job offer before graduation is 70%. If I sample 200 graduates… (use continuity correction) a) what is the chance more than 130 of them have a job offer? b) what is the chance less than 133 of them have a job offer? c) what is the ...
Monday, March 24, 2014 at 7:25pm

Math-Statistics
5) You know that you will inherit 20% of your uncle John’s wealth, 30% of your aunt Becky’s wealth and 50% of your parent’s wealth. Since they are not dead yet, their respective wealth is a RV and all we know is that their wealth at death is ~N and independent ...
Monday, March 24, 2014 at 7:25pm

Math-Statistics
Assume your expected lifetime income is $1.5 million and the standard deviation is $250,000. a) What is the chance that you will earn more than $1.1 million during your lifetime? b) What is the chance that you will earn less than $2 million during your lifetime? c) What is the...
Monday, March 24, 2014 at 7:23pm

math
Please answer my question thanks
Monday, March 24, 2014 at 7:20pm

math
after 1st round 7 people receive email after 2nd round 7^2 or 49 receive email after 3rd round 6^3 or 343 receive email after 4th round 7^4 or 2401 receive email after 5th round ...........16807 receive email number receiving email in 5th round = 7^5
Monday, March 24, 2014 at 7:18pm

Math
56 million
Monday, March 24, 2014 at 7:18pm

math
Mr. Gonzalez's sixth grade class is putting on a play. He reserved the first 6 rows of the auditorium for family members and friends of the 24 students in his class. If each row contains 17 seats and each student can invite the same number of guests, how many guests can ...
Monday, March 24, 2014 at 7:16pm

math
7^n =7^5=16807
Monday, March 24, 2014 at 7:16pm

math
correct, so .....
Monday, March 24, 2014 at 7:15pm

math
304.1
Monday, March 24, 2014 at 7:12pm

math
what is √(300^2 + 50^2 ) ?
Monday, March 24, 2014 at 7:09pm

math
Layne sends an email to 7 people and those 7 people send the email to 7 more people, and so on. Write an expression to show the number of people who will receive the email after the fifth round.
Monday, March 24, 2014 at 6:55pm

Math
300/0.06=5000 x=5000 0.06(5000)=300
Monday, March 24, 2014 at 6:49pm

math
Mr. Gonzalez's sixth-grade class is putting on a play. He reserved the first 6 rows of the auditorium for family members and friends of the 24 students in his class. If each row contains 17 seats and each student can invite the same number of guests, how many guests can ...
Monday, March 24, 2014 at 6:48pm

Math Geometry
356.8195481472908
Monday, March 24, 2014 at 6:46pm

math
If an airplane travels at 300 mph with no air resistance, and it travels directly south with a wind of 50 mph east, how fast is the plane going?
Monday, March 24, 2014 at 6:45pm

Math (help)
We will in march on the date that follows these 2 rules. 1. The date will be a common factor of 24 and 36, 2. The date will be multiple of 6 that is greater than 10.
Monday, March 24, 2014 at 6:40pm

math
Divide the numerator by the denominator.
Monday, March 24, 2014 at 6:30pm

math
3/4 as decimal
Monday, March 24, 2014 at 6:21pm

math
Yes. Thank you!
Monday, March 24, 2014 at 6:21pm

math
44
Monday, March 24, 2014 at 6:19pm

4th grade math
Do you know how to change these fractions to equivalent fractions with the same denominator?
Monday, March 24, 2014 at 6:15pm

4th grade math
3/4 * 8 = 24/4 = 6
Monday, March 24, 2014 at 6:14pm

4th grade math
What is 1. 2/3 + 3/6 = 2. 3 1/10 + 17/5 = 3. 3 2/6 - 1 5/6 =
Monday, March 24, 2014 at 6:14pm

Math
???
Monday, March 24, 2014 at 6:13pm

4th grade math
(3/4)8 = 3 (2) = 6
Monday, March 24, 2014 at 6:13pm

Math
sec x is negative in QII,QIII So, your angles will be between 90 and 270 degrees.
Monday, March 24, 2014 at 6:13pm

4th grade math
Suppose 8 kids are running a mile. 3/4 of the kids ran the mile in less than 10 minutes. How many kids finished the mile in less than 10 minutes.
Monday, March 24, 2014 at 6:13pm

math
625/1000 = 5/8 (divide top and bottom by 125) by the way, .125 = 1/8
Monday, March 24, 2014 at 6:11pm

math
6/10 see a pattern here?
Monday, March 24, 2014 at 6:11pm

math
7/10
Monday, March 24, 2014 at 6:10pm

math
0.7 as a fraction
Monday, March 24, 2014 at 6:08pm

math
0.6 as a fraction
Monday, March 24, 2014 at 6:07pm

math
0.625 as a percent
Monday, March 24, 2014 at 6:07pm

Math
It beats 144 times a minute. 3 * 144 = ?
Monday, March 24, 2014 at 5:52pm

Math
(24 b/ 10 s) (60 s/ min) (3 min) = 432 b
Monday, March 24, 2014 at 5:51pm

math
0.4
Monday, March 24, 2014 at 5:51pm

6th grade math
I did not get 5 for this.. I got 1.. It is due tomorrow, someone plz help me!
Monday, March 24, 2014 at 5:50pm

math
1.0/2 = 0.5
Monday, March 24, 2014 at 5:49pm

math
60%
Monday, March 24, 2014 at 5:49pm

Math
If your heart beats 24 beats inn10 sec,how many beats will it beat in 3 mins?
Monday, March 24, 2014 at 5:49pm

math
0.5
Monday, March 24, 2014 at 5:48pm

math
0.6 as a percent
Monday, March 24, 2014 at 5:48pm

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