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}
203044 Questions
0
36
0
OH PLS HELP!!!
https://web2.0calc.com/questions/any-help-will-be-appreciated
Guest
Sep 17, 2021
0
49
2
Geometry
Find the area of triangle ACE.
●
●
Guest
Sep 17, 2021
0
37
1
Counting
There are 20 children in the cast of a class play, and 8 of the children are boys. Of the boys, 5 have a speaking part in the play, and of the girls, 7 do not have a speaking part in the play. If a child from the cast of the play is chosen at
read more ..
●
Guest
Sep 17, 2021
0
23
0
Help Inequality
Find the set of all such that neither 2 + z nor 4 - z is in the interval (-1,1]. Express your answer as an interval or as a union of intervals.
Guest
Sep 17, 2021
0
25
0
Number Theory
How many five-digit numbers of the form 32x5y are divisible by 33?
Guest
Sep 17, 2021
0
82
1
HELPPP
R=42−0.7tR
Quinn returned home one summer's day to find it extremely hot. He turned the air conditioner on, and the room's temperature began decreasing at a constant rate. The equation shown above gives the room's temperature, RRR, in degrees Celsius,
read more ..
●
Guest
Sep 17, 2021
-1
58
1
+10
Find the number of ways of writing the positive integer 9 as the sum of exactly 5 positive numbers.
Find the number of ways of writing the positive integer 9 as the sum of exactly 5 positive integers, where the order of addends does not matter. 5 + 1 + 1 + 1 + 1 and 1 + 5 + 1 + 1 + 1 are considered one way.
●
goldenroses
Sep 17, 2021
0
44
1
Need help
Clarence has a certain sum of money. He needs an extra $44 in order to buy
3 jerseys. After receiving $108 from his father, he is able to buy 5 jerseys.
(a) How much is the cost of one jersey?
(b) How much money does
read more ..
●
Guest
Sep 17, 2021
0
35
0
PLEASE A HELP!
https://web2.0calc.com/questions/please-help-i-don-t-understand_5
Guest
Sep 17, 2021
+2
118
5
+3115
happy birthday Rosala
Happy birthday to an OG indeed. idk if she still active or not on here but a long time ago she was and she was real cool to talk to. besides her being good at math, she was better at being a nemesis and is a great friend. i saw melody's recent post
read more ..
●
●
●
●
●
TitaniumRome
Sep 17, 2021
0
50
1
Coordinates
What is the slope of a line perpendicular to the line containing the points (4,-7) and (-6,1)? Express your answer as a common fraction.
●
Guest
Sep 17, 2021
0
41
0
+152
Please help with this question, thank you.
There were 76 strawberries and rambutans in a basket. John gave away 2/5 of the strawberries and 1/2 of the rambutans. In the end, there were 42 fruits left. How many strawberries were there in the basket at first?
Whayousayy
Sep 17, 2021
0
42
1
+152
Help on ratios
The ratio of the number of cars to the number of vans to the number of
mortorbikes at a car park is 5:2:3. Each car and each van had 4 wheels. Each
motorbike has 2 wheels.
a) If there is a total of 816
read more ..
●
Whayousayy
Sep 17, 2021
0
28
0
Help range
What is the range of the function f(x) = 3*2*51^x?
Give your answer as an interval.
Guest
Sep 17, 2021
0
30
0
Algebra
Find all values of c such that 3^(2c+1) = 28*3^c.
If you find more than 1 value of c, then list your values in increasing order, separated by commas.
Guest
Sep 17, 2021
0
49
2
Word problems
There were 252 more cars than motorcycles in a car park. 1/4 of the number of cars was equal to 3/5 of the number of motorcycles. How many cars and motorcycles were there altogether?
●
●
Guest
Sep 17, 2021
0
28
0
Hard counting
FInd the number of 10-digit numbers, where the sum of the digits is divisible by 11.
Guest
Sep 17, 2021
0
38
1
help geometry
(1) A circle centered at P with radius 10 and a circle centered at Q with radius 8 are externally tangent. Find PQ.
(2) How many common external tangents do two circles have?
●
Guest
Sep 17, 2021
0
49
3
The temperature of the pot of water is shown. The temperature of the water change -2.5 per minute.
The temperature of the pot of water is shown. The temperature of the water change -2.5 per minute.
A what was the temperature after 20 minutes.
B How many minutes did it take to cool to 100.3 f
●
●
●
Guest
Sep 17, 2021
0
26
0
help coordinates
The circle centered at (2, -1) and with radius 4 intersects the circle centered at (2, 5) and with radius sqrt(11) at two points A and B. Find (AB)^2.
Guest
Sep 17, 2021
0
42
1
Can someone please help? I don't know how to answer these-
For a certain country, the national debt was 18.45 trillion. Use scientific notation to put a number like 18.45 trillion in perspective. Complete parts (a) through (c).
-----
a. Express
read more ..
●
Guest
Sep 17, 2021
0
47
2
Help me pls !!!!! Thanks
A crate obtained apples and pears. There were 29 more apples than pears at first. After 1/3 of the apples were removed from the crate, there were 5 more apples than pears. What was the total number of apples and pears in the crate at first?
●
●
Guest
Sep 17, 2021
0
63
3
Help me to solve this problem
Catherine had some money at first. She gave 1/4 of her money to Anne. As a result, Anne had thrice as much as before. Then, Anne gave 1/2 of her money to Bernard. Bernard then had 1 1/2 times as much money as before. Anne still had $129 left. How much money
read more ..
●
●
●
Guest
Sep 17, 2021
0
44
1
help domain
Find the domain of the real-valued function
f(x) = sqrt(-6x^2 + 25x - 4)
Give the endpoints in your answer as common fractions (not mixed numbers or decimals).
read more ..
●
Guest
Sep 17, 2021
0
49
2
trying to study for a test, but i don't know the steps to solving this question
in 8 | 39,245,93d what are all values of d that make the statement true?
●
●
Guest
Sep 17, 2021
«
latest
8120
8119
..
8070
8069
8068
8067
8066
..
2
1
»
Post New Question
30 Online Users
Top Users
+114812
Melody
moderator
+35058
ElectricPavlov
+32633
Alan
moderator
+22175
geno3141
+12514
Omi67
moderator
+12384
asinus
moderator
+9318
hectictar
+4707
MathsGod1
+3115
TitaniumRome
+3108
admin
administrator
+2539
Probolobo
Sticky Topics
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
Filter Issues
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
https://www.desmos.com/calculator/bsh9ex1zxj
@ Is PROCRASTINATION a problem for you ?
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material