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234789 Questions
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392
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need help
Mr. Sanchez’s class sold fruit pies for $1.65 each and Mr. Kelly’s class sold bottles of fruit juice for $1.36 each. Together, the classes sold 79 items and earned $118.17 for their school.
(a) Write and solve a system of equations that model the
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Guest
Aug 30, 2020
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379
1
word problem
If Jackie were to paint her living room alone, it would take seven hours. Her sister Rachel could do the job in nine hours. How many hours would it take them working together?
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Guest
Aug 30, 2020
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535
7
need help with geometry
Help out if you can!
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Guest
Aug 30, 2020
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988
3
how do you find r^2 + s^2 if you only have r+s and rs?
how do you find r^2 + s^2 if you only have r+s and rs?
(problem I'm trying to solve:)
Let r and s be the roots of 3x^2 + 4x + 12 = 0. Find r^2 + s^2.
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Guest
Aug 30, 2020
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350
1
please help
Please help with the answer.
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Guest
Aug 30, 2020
0
504
1
rate question
Anita jogs at a constant speed of 4 miles per hour. Anita’s brother leaves their house 12 minutes after her, and he catches up to her 24 minutes later. If Anita’s brother is also running at a constant rate, what is his speed, in miles per hour?
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Guest
Aug 30, 2020
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450
1
please help
There are two numbers which add up to 20. If one number is five more than four times the other, find the numbers.
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Guest
Aug 30, 2020
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520
2
+223
please help algebra
For what positive value of m will the following equation be true if n = 5?
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envoy
Aug 30, 2020
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1111
5
Choose an integer randomly from the set...
Choose an integer randomly from the set 1,2,3,...,99,100. Square it, then subtract 1. What is the probability that the resulting value is a prime number?
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Guest
Aug 30, 2020
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1237
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i need help!
Benito and Tyler are painting opposite sides of the same fence. Tyler has already painted 19 1/2 feet of his side of the fence when Benito starts painting. a. How long will it take for the two sides of the fence to have an equal number of feet painted?
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Guest
Aug 30, 2020
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352
1
algebra
If r^3 - s^3 = 5211/4 and r - s = 3, then what are r and s?
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Guest
Aug 30, 2020
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324
0
I am also having trouble with this problem.
Can somone please answer this questiion?
I would also like to know how to do it.
https://web2.0calc.com/questions/please-help_624
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Guest
Aug 30, 2020
-1
574
1
+218
https://web2.0calc.com/questions/math-help-thank-you_4
https://web2.0calc.com/questions/math-help-thank-you_4
Please help!
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Noori
Aug 30, 2020
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876
1
Help Help Help Help Help Help
A right circular cone sits on a table, pointing up. The cross-section triangle, perpendicular to the base, has a vertex angle of 60 degrees. The diameter of the cone's base is 12sqrt3 inches. A sphere is placed inside the cone so that it is tangent to the
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Guest
Aug 30, 2020
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328
1
please help
Find the measure of arc DCA.
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Guest
Aug 30, 2020
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821
1
Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be a constant. What is the largest possible degree of f(x) + a * g(x)
Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be a constant. What is the largest smallest degree of f(x) + a * g(x)
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Guest
Aug 30, 2020
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331
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help with coordinates
Find the distance from the point P to line m in the given figure.
Guest
Aug 30, 2020
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516
1
+45
Hi i rlly need help please
Suppose that $f(x)$ and $g(x)$ are functions on $\mathbb{R}$ such that the range of $f$ is $[-5,3]$, and the range of $g$ is $[-2,1]$. The range of $f(x) \cdot g(x)$ is $[a,b]$. What is the largest possible value of $b$?
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calicokittycat
Aug 30, 2020
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337
1
geometry
Solve for x.
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Guest
Aug 30, 2020
0
448
3
help with pyramid
Find the surface area of the pyramid.
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Guest
Aug 30, 2020
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467
2
geometry question
Find the area of the figure.
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Guest
Aug 30, 2020
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340
1
trig problem
Find the value of cos(27)^2 * cos(34)^2 * cos(41)^2 * ... * cos(167)^2.
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Guest
Aug 30, 2020
0
444
1
need help
This is due tomorrow.
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Guest
Aug 30, 2020
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296
0
help please
Help please
Guest
Aug 30, 2020
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