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
230633 Questions
0
414
1
Just a question
Let $f(x)$ be a quadratic polynomial such that $f(-4) = -22,$ $f(-1)=2$, and $f(2)=-1.$ Let $g(x) = f(x)^{16}.$ Find the sum of the coefficients of the terms in $g(x)$ that have even degree. (For example, the sum of the coefficients of the terms in $-7x^3
read more ..
●
Guest
Feb 22, 2020
0
940
1
help
The sum of two positive integers is 35. When the smaller integer is subtracted from twice the larger, the result is 34. Find the two integers.
●
Guest
Feb 22, 2020
0
455
2
am i correct
i just want to make sure if i have these correct to submit thank you!
https://prnt.sc/r6803q
read more ..
●
●
Guest
Feb 22, 2020
0
854
1
help
A quadratic function has a vertex point of (3,1) and passes through the point (6,-8).Which equation represents the quadratic equation?
A y=- x^2 + 6x-8
B y=x^2 - 6x +10
C y=- x^2 - 6x-8
D y=- x^2 + 6x -10
●
Guest
Feb 22, 2020
0
326
0
Domain restrictions help
https://prnt.sc/r67w18
im having trouble with understanding this
Guest
Feb 22, 2020
0
608
1
help
Some kids went on a bike ride. The ride was six hours long and the kids traveled 54 miles. For part of the ride they biked at a speed of 7 miles per hour and for part of the ride they biked at a speed of 11 miles per hour. For how long did they bike at
read more ..
●
Guest
Feb 22, 2020
0
749
2
Triangle Rotations
A triangle with vertices A(3,-1) , B(-2,6) and C(5,4) is rotated 90 degrees clockwise about Vertex B. Find the co-ordinates of the image of vertex C
●
●
Guest
Feb 22, 2020
0
1017
2
help
In the diagram below, triangle ABC is isosceles, and triangle MPQ is equilateral. Find the area, in cm2, of triangle MPQ.
●
●
Guest
Feb 22, 2020
0
639
1
geometry
Unit circles are arranged as shown. Find the area of the shaded part.
●
Guest
Feb 22, 2020
0
509
1
help
A lawn sprinkler is located at the corner of a yard. The sprinkler is set to rotate through 90 degrees and project water out 70 feet. What is the area of the yard watered by the sprinkler? (Round your answer to the nearest whole number.)
●
Guest
Feb 22, 2020
-1
894
1
+1347
solid geometry
A cone is circumscribed by a hemisphere radius of which is equal to the height of the cone. Calculate the ratio of the volume of the cone to the volume of the hemisphere.
●
sandwich
Feb 22, 2020
0
445
1
HELP PLEASE!!
Find the equation whose graph is shown below. Write your answer in standard form. (Standard form is Ax+By = C, where A is positive, and A, B, and C are integers with greatest common divisor 1.)
https://latex.artofproblemsolving.com/b/1/6/b168095059dca2c85f743a9f6830fdc924285384.png
read more ..
●
Guest
Feb 22, 2020
0
1124
3
+87
Lots of questions
1. A triangle has side lengths of and Let be the area of the circumcircle. Let be the area of the incircle. Compute
2. In triangle and Find the inradius of triangle
read more ..
●
●
●
Divineology
Feb 22, 2020
0
625
1
please help
The difference of two numbers is 6 and the sum of their squares is 68. Find the numbers.
●
Guest
Feb 22, 2020
0
579
1
help
At a rugby match the ratio of children to adults is 2:3 .There are 80 children in the crowd .How many adults are in the crowd?
●
Guest
Feb 22, 2020
0
564
1
Math
5+x*5=57
●
Guest
Feb 22, 2020
0
690
1
pls help me
Devi and Dave had the same amount of money initially. After Devi donated $258 and Dave donated $196 to charity, Dave had 3 times as much as Devi. How much had Dave in the end?
due today please help.
read more ..
●
Guest
Feb 22, 2020
0
726
3
+1124
square root equals negative
Hi friends, I have a problem understanding this sum. according to the text book this sum has no solution, I do not understand why, because:
why would this be incorrect?.
read more ..
●
●
●
juriemagic
Feb 22, 2020
0
578
0
For which of the following situations would a linear function be a reasonable choice for a mathematical model?
For which of the following situations would a linear function be a reasonable choice for a mathematical model? Explain your choices.
The success rate of field-goal kicking as a function of distance from the goal post The number of people
read more ..
Guest
Feb 22, 2020
0
850
1
help
Mauro has 140ft of rope. He will cut it into two pieces so that the length of the longer piece is 3 times the length of the shorter piece. What will the length of the longer piece be ?
●
Guest
Feb 22, 2020
0
707
1
math homework
A census showed that from 1990 to 2000, a country's population increased by 25.325.3%. The country reported its population in 2000 to be 15 comma 922 comma 54315,922,543. What was the country's population in 1990?
off-topic
●
Guest
Feb 22, 2020
0
1463
1
help
A chef plans to mix 100% vinegar with Italian dressing. The Italian dressing contains 12% vinegar. The chef wants to make 160 milliliters of a mixture that contains 23% vinegar. How much vinegar and how much Italian dressing should she use?
●
Guest
Feb 22, 2020
0
2398
1
+109
Math World Problem #3
Charles lives in a tall apartment building. He looks out his window and spots a car on the road that runs straight toward his building. His angle of depression to the car is 24°.
Charles looks farther down the road and spots a dump truck. He estimates
read more ..
●
valval2205
Feb 22, 2020
0
1706
1
+109
Math Problem .
In △CDE , DE=14 , CE=9 , and m∠E=71∘ .
What is the length of CD
●
valval2205
Feb 22, 2020
«
latest
9224
9223
..
6315
6314
6313
6312
6311
..
2
1
»
Post New Question
1 Online Users
Top Users
+128475
CPhill
moderator
+118609
Melody
moderator
+33616
Alan
moderator
+14917
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1509
bader
+1105
parmen
+1032
kittykat
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.