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Post New Question
All Questions
+0
234925 Questions
0
1018
3
+86
Another trig problem
If x = arctan(-1/5) and x + y = 290 degrees, then cos y = ?
The "answer" that it shows is not a real answer and I'm still in need of one.
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SurpriseMe
Apr 19, 2018
0
1084
1
+4619
Nice question
Find the area of a polygon formed by the lines y=-2x+6, x+y=2, x-axis, and the y-axis.
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tertre
Apr 19, 2018
+5
1122
4
+295
Right Triangle Trigonometery
Hello web2.0calc people! I was recommended here by a friend and looking at it, its pretty cool 😎!
My first question,
is a regular tetrahedron (right triangular pyramid). If is the midpoint of , what is ?
read more ..
hectictar
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TheMathCoder
Apr 19, 2018
0
654
1
Which graph represents the function?
Which graph represents the function?
{ (x + 2)^2 if x < -1
{ |x - 1| if -1 ≤ x ≤1
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Guest
Apr 19, 2018
0
743
3
Hard question
My briefcase measures 17" by 12'" by 3.5". Can I fit one million dollars in bills in the case using legal denominations?(Must be in current U.S. Circulation) Bills Only. No checks. If I can fit the million, please show exactly how (layout etc...) If not,
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Guest
Apr 19, 2018
0
1076
0
+165
This math isnt easy but it is okay if you can't answer but help if you can :)
A leading marketing research firm conducted a telephone survey of 550 young adults, 21 years of age, to estimate the average amount of money they intend on spending on political contributions during their first federal election cycle. The data are distributed
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hay24
Apr 19, 2018
0
1096
0
+165
helpppp lol
A research firm conducts a sample survey and discovers that 85% of people are more afraid of bugs than they are of flying. If a sample questionnaire collecting these results had 820 respondents, what is the margin of error (ME), rounded to the nearest
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hay24
Apr 19, 2018
0
1214
2
+165
helppp
A potential buyer of the breed of cat known as the Persian cat wishes to find the average weight and height of a full-grown animal. Which of the following would be an effective method of collecting a sample of the population?
A
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hay24
Apr 19, 2018
0
1745
0
+165
please help
Behavioral scientists want to test whether classical music has a relaxing effect on patients with extreme anxiety. They decide to consider sleepiness as an indication that the patient is relaxed.
They randomized 100 patients in a hospital between
read more ..
hay24
Apr 19, 2018
0
1280
0
+165
please help
A leading dental journal claims that 63% of young adults do not brush their teeth regularly. A dental hygienist wants to conduct a survey to verify this with her young adult patients, and wants to do so with a margin of error (ME) of ± 9%. What minimum
read more ..
hay24
Apr 19, 2018
+2
1509
2
Simple Counting
In a press conference before the All-Star Game, eight All-Stars will be taking questions. Three are Cubs, three are Red Sox, and two are Yankees. If teammates insist on sitting together, how many ways can the eight All-Stars be seated in a row?
read more ..
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Guest
Apr 19, 2018
+8
1093
7
+52
Riddle
David's father has three sons. Snap, Crackle, and _____?
off-topic
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Question
Apr 19, 2018
0
1325
1
help me plz i need the most help i can get
Hillary and Devin will collect data to find out where the seventh grade students should take their field trip. which group should Hillary and Devin survey to collect the best data?
A: the first 25 students in the lunch line
read more ..
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Guest
Apr 19, 2018
+1
1003
1
+223
iterative processes
thank you in advance
read more ..
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lynx7
Apr 19, 2018
+1
1171
1
+223
algebraic proof
thank you in advance
read more ..
GYanggg
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lynx7
Apr 19, 2018
0
1095
3
+223
algebraic proof
thank you in advance
read more ..
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lynx7
Apr 19, 2018
0
2082
6
Need help to refresh my mind on this problem please! Bold part is all you really need I remember that much.
Powerball is a lottery in which most U.S. states participate. To play, you pay $2 and choose five white numbers between 1 and 59. Then you choose a single red ball, the Powerball, from a second set of numbers that range from 1 to 35. To win the Powerball
read more ..
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Guest
Apr 19, 2018
0
669
1
fdgg
State the vertical asymptote of the rational function. f(x) = quantity x minus four times quantity x plus nine divided by quantity x squared minus one x = 1, x = -1 None x = 4, x = -9 x = -4, x = 9
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Guest
Apr 19, 2018
0
1277
1
Find a cubic function with the given zeros.
Find a cubic function with the given zeros.
-2, 5, -6
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Guest
Apr 19, 2018
0
2204
2
How many atoms of Fe are in 100g of FeS
How many atoms of Fe are in 100g of FeS
off-topic
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Guest
Apr 19, 2018
0
492
1
Loan Payment...
A loan for $150,000 for 30 years at 6% compounded semi-annually. What is the monthly payment of this loan and at what payment will the loan be reduced to approximately $75,000, or about half the original principal? Thank you for help.
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Guest
Apr 19, 2018
0
661
1
+156
Please help.
Please help. Completely Confused!
Thanks
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mathelp
Apr 19, 2018
0
683
1
+45
​ Please help?
I've been having kinda a hard time breaking this one down
I think Event A is 0.6 or 12/20
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TheAwkwardCadet
Apr 19, 2018
0
658
1
No title
whats 6 divided by 5/8?
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Guest
Apr 19, 2018
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