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
234799 Questions
-2
761
2
+73
Help pls!
In quadrilateral $BCED$, we have $BD = 11$, $BC = 9$, and $CE=2$. Sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $AC = 8$ and $AB = 5$, then what is $DE$?
●
●
Hi121529
Apr 3, 2020
0
456
2
HELP, CPhill
What is the smallest positive integer such that is a perfect square and is a perfect cube?
●
●
Guest
Apr 3, 2020
-2
625
8
+105
please help!
8/2(2+2) = ???
thank you
●
●
●
●
●
●
●
●
matthewmacdell
Apr 3, 2020
0
659
2
help
There are 2 bars of gold-silver alloy; one piece has 2 parts of gold to 3 parts of silver and another has 3 parts of gold to 7 parts of silver. If both bars are melted into 8 kg bar with the final gold to silver ratio of 5:11. What was the weight of the
read more ..
●
●
Guest
Apr 3, 2020
-1
631
3
+231
Holp is did need even but now
The sum of two numbers is 30. If we double the larger number, and subtract three times the smaller number, the result is 5. What is the positive difference between the two numbers?
●
●
●
peepeepuupuu
Apr 3, 2020
0
578
1
Chemistry help!
How many kJ of energy are required to change 1.00m^3 of pure water by 1.0 degrees celsius? Assume a perfect system. The specific heat of the water is 4.184 J/g degrees celsius. The density of water is 1.000 g/ml. 1.00m^3=1000 L. Thank you!!!
●
Guest
Apr 3, 2020
0
507
2
help
Amanda has 14 coins in her pocket that equal 54 cents. All the coins are nickels, n, and pennies, p. Which combination of coins does Amanda have?
●
●
Guest
Apr 3, 2020
-2
579
1
+208
help
Identify each statement as being a fact or an opinion.
1. German chocolate cake was named for Sam German, who developed a sweet bar for Baker's Chocolate--and was not German.
2. Coconut cake is better than chocolate cake.
read more ..
off-topic
●
monkeyree1124
Apr 3, 2020
-2
606
1
+208
english
For this question, consider the following statements and choose the thesis statement that is the better of the two.
Argumentative thesis statements must make a claim about which reasonable people can disagree. Statements of fact or areas of general
read more ..
off-topic
●
monkeyree1124
Apr 3, 2020
-1
654
0
+208
english
For this question, consider the following statements and choose the thesis statement that is the better of the two.
Argumentative thesis statements must make a claim about which reasonable people can disagree. Statements of fact or areas of general
read more ..
off-topic
monkeyree1124
Apr 3, 2020
0
690
1
WHat is the answer please?
For each part of this problem, convert the fraction to a "decimal" in the specified base. (a) Convert the fraction $\frac{1}{2}$ to base $3.$ (b) Convert the fraction $\frac{1}{7}$ to base $8.$ (c) Convert the fraction $\frac{1}{b - 1}$ to base $b.$
read more ..
●
Guest
Apr 3, 2020
0
1038
1
ive been stuck on this for a hour plz help
Jerry is presently twice as old as his brother and six years older than his sister. How many years from now will Jerry's age be $\frac{2}{3}$ of the combined ages of his brother and sister at that time?
●
Guest
Apr 3, 2020
0
375
1
Help please!
The vertices of a convex pentagon are (-1, -1), (-3, 4), (1, 7), (6, 5) and (3, -1). What is the area of the pentagon?
●
Guest
Apr 3, 2020
0
512
1
help plz
Find the ordered triplet $(x,y,z)$ for the following system of equations:
x + 3y + 2z= 1,
-3x + y + 5z = 10,-
read more ..
●
Guest
Apr 3, 2020
-1
556
1
+208
english
Is this a quantitative visual or a qualitative visual?
read more ..
off-topic
●
monkeyree1124
Apr 3, 2020
0
509
1
Parabola Circle Problem
A circle passes through the point and is tangent to the parabola at Find the center of the circle.
Any help would be greatly appreciated. Thank you!
●
Guest
Apr 3, 2020
0
515
1
help please
Olivia and Evelyn are each saving money. Olivia starts with $200 in her savings account and adds $10 per week. Evelyn starts with $50 in her savings account and adds $25 each week.
a. After four weeks, who has more money in their savings account? Explain
read more ..
●
Guest
Apr 3, 2020
0
470
1
plz someone help !!
Suppose a/b=3/5, b/c=15/6, and c/d=6. What is the value of a/d?
ElectricPavlov
●
Guest
Apr 3, 2020
0
446
2
Help!!
The solutions to
are and where and are positive. What is ?
read more ..
●
●
Guest
Apr 3, 2020
«
latest
9390
9389
..
6458
6457
6456
6455
6454
..
2
1
»
Post New Question
1 Online Users
Top Users
+118654
Melody
moderator
+37084
ElectricPavlov
+33653
Alan
moderator
+14985
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2651
LiIIiam0216
+2489
GingerAle
+1911
tomtom
+1836
NotThatSmart
+1758
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.