Register
Login
Username
Password
Login
forgot your password?
Home
Forum
+0
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Post New Question
All Questions
+0
234955 Questions
+1
363
0
+43
please help me i need the answer
Evaluate the following expression. (x ≠ (π + 2πn)/10, where n is a whole number)
far987
Apr 19, 2021
+1
388
1
Math
Kaden and John had some marbles. John gave away 3/5 as many marbles as Kaden and was left with 4 fewer marbles than the marbles he gave away. Kaden has 2/5 as many marbles left as John. The difference between the number of marbles they had in the end was
read more ..
●
Guest
Apr 19, 2021
0
277
0
Math
Janet spent 30% of her money on 7 cupcakes and 4 cookies on Monday. The cost of each cupcake was twice the cost of each cookies. She bought some more cupcakes and another 10 cookies with 6/7 of her remaining money on Tuesday. How many cupcakes did she buy
read more ..
Guest
Apr 19, 2021
0
514
8
help ASAP
Five chickens eat 10 bags of scratch in 20 days. How long does it take 18 chickens to eat 100 bags of scratch?
●
●
●
●
●
●
●
●
Guest
Apr 19, 2021
0
377
2
ajudemm
5) Dada as funções: f(x ) = 7x + 2 e g( x ) = 5x +1, calcule:
a) gof( x ) b) fog( x ) c ) gof(1 ) d) fog( -1 )
●
●
Guest
Apr 19, 2021
0
499
1
Ramona
Ramona is installing a kitchen counter that is 9 feet by 3 feet.
The counter has a hole in it for a sink that is 2 feet by 3 feet.
What is the area of the kitchen counter?
SparklingWater2
●
Guest
Apr 19, 2021
0
551
2
helppppp
Five people can mow a lawn in 12 hours. How many more people are needed to mow the lawn in just 3 hours, assuming each person mows at the same rate?
ElectricPavlov
●
●
Guest
Apr 19, 2021
0
414
3
triangle problem
In right triangle ABC, CAB is a right angle. Point M is the midpoint of BC. What is the number of centimeters in the length of median AM? Express your answer as a decimal to the nearest tenth.
read more ..
SparklingWater2
●
●
●
Guest
Apr 19, 2021
0
405
1
Total Unchanged
There were 2/3 as many children as adults on a bus. When 12 children got off the bus and 12 adults boarded, the number of children became 1/9 the number of adults on the bus. How many adults were on the bus at first?
●
Guest
Apr 19, 2021
0
359
1
Varibles and Equations
Two taxi companies are starting two different companies. Company A charges 5 dollars to pick you up and 0.50 cents a mile. Company B charges 8 dollars to pick you up and 0.25 cents a mile.
Variable: ?
read more ..
●
Guest
Apr 19, 2021
0
452
1
help please ASAP
The exterior angles of a k-sided polygon form an arithmetic sequence. The smallest and largest interior angles of the polygon are 136 degrees and 176 degrees . What is k?
●
Guest
Apr 19, 2021
0
382
1
FUNÇÕES
5) Dada as funções: f(x ) = 7x + 2 e g( x ) = 5x +1, calcule:
a) gof( x )
b) fog( x )
c ) gof(1 )
read more ..
●
Guest
Apr 19, 2021
0
406
3
help ASAP please
How many times in a 24-hour day will the hour and minute hands of a 12-hour analog clock form a 90-degree angle?
●
●
●
Guest
Apr 19, 2021
0
410
1
Using Trig to Find Missing Sides Exit
read more ..
●
Guest
Apr 19, 2021
0
279
1
geometry
Lines l and k are parallel to each other. Angle A = 120 degres. What is the number of degrees in angle B?
read more ..
●
Guest
Apr 19, 2021
0
587
7
Help would be appreciated :)
If x and r are directly proportional and x = 5 when r = 25, then what is x when r = 40?
●
●
●
●
●
●
●
Guest
Apr 19, 2021
0
427
1
Using Trig to Find Missing Sides
read more ..
●
Guest
Apr 19, 2021
0
416
2
Isosceles Triangles
Triangle ABC is isosceles with angle B congruent to angle C. The measure of angle C is four times the measure of angle A plus 9 degrees. What is the number of degrees in the measure of angle B?
●
●
Guest
Apr 19, 2021
0
248
0
NEED HELP, HELPING DAUGHTER WITH HOMEWORK & CLUELESS!!
Brianna deposits $150 at the end of each quarter into an account that pays 8% compounded quarterly. Calculate the amount in the account at the end of each time period.
a. 4 years b. 9 months. c.
read more ..
Guest
Apr 19, 2021
0
519
2
+501
Right-Triangle Trigonometry
In right triangle $BCD$ with $\angle D = 90^\circ$, we have $BC = 9$ and $BD = 4$. Find $\sin B$.
●
●
ellapow
Apr 19, 2021
+1
419
14
Math
Ben had 1/5 as many books as Jann. After Jann gave Ben 4 books, Ben had 1/3 as many books as Jann. How many books did Jann have in the end?
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Guest
Apr 19, 2021
0
392
2
help with perimeter
The square shown is divided into 4 congruent rectangles. If the perimeter of each rectangle is 144 units, what is the perimeter of the square?
read more ..
●
●
Guest
Apr 19, 2021
0
361
2
math
what is 1/4 x = 3/5
●
●
Guest
Apr 19, 2021
«
latest
9397
9396
..
7625
7624
7623
7622
7621
..
2
1
»
Post New Question
1 Online Users
Top Users
+118658
Melody
moderator
+37095
ElectricPavlov
+33653
Alan
moderator
+14986
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2653
LiIIiam0216
+2489
GingerAle
+1911
tomtom
+1853
NotThatSmart
+1759
bader
Sticky Topics
Some guidelines for question askers.
What is Happening 5
Again a number puzzle. Multiply in writing.
Loads of fun printable number and logic puzzles
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Should you consider anything before you answer a question?
Geometry Thread
PUZZLES
LaTex Coding
/calculator/bsh9ex1zxj
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.