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Post New Question
All Questions
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232979 Questions
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357
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help with polynomial
Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^6 - 6x^2 + 2x -1. Let a be a constant. What is the largest possible degree of f(x) + a*g(x)?
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Guest
Jul 4, 2021
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372
3
help percent
A new train goes 20% farther than an older train in the same amount of time. During the time it takes the older train to go 300 miles, how many miles can the newer train complete?
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Guest
Jul 4, 2021
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398
2
+21
Please help on math question!
Please look at the image. I already figured out b, which I'm pretty sure is 2pi/3. However, I'm confused on figuring out a. This is what I tried:
y= -2sin(3x)+1
y= -2sin(3*-pi/12)+1
read more ..
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nimimimi
Jul 4, 2021
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418
3
This problem hurts
The roots of \[x^4 - 14x^3 + 51x^2 + ax + b = 0\]form an arithmetic sequence. Find $a + b.$
Alan
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Guest
Jul 4, 2021
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402
2
+24
Please Help Fast - Trigonometry
Consider the following diagram:
What are the lengths of AE and CE?
Please include all steps, thank you!!!
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Trainer
Jul 4, 2021
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435
2
how to calculate with sin 14 degrees 30 minutes and 52 seconds?
how to calculate with sin 14 degrees 30 minutes and 52 seconds?
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Guest
Jul 4, 2021
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360
2
help number theory
What is the remainder when 2 + 4 + 6 + ... + 100 + 102 + 104 is divided by 7?
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Guest
Jul 4, 2021
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321
1
help algebra
Solve for a: 1/9*|5a + 2| < 1. Express your answer in interval notation.
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Guest
Jul 4, 2021
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319
1
Inequality
Solve 1/3*t - 5 < t + 2 <= -3t + 11. Give your answer as an interval.
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Guest
Jul 4, 2021
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194
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Function
Let f(x) = 3x + 2, and let g(x) = f(f(x)) - f(f(f(x)). If the domain of g is 0 <= x <= 2, compute the range of g.
Guest
Jul 4, 2021
0
366
3
help asap!!
Given positive integers $x$ and $y$ such that $x\neq y$ and $\frac{1}{x} + \frac{1}{y} = \frac{1}{18}$, what is the smallest possible value for $x + y$?
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Guest
Jul 4, 2021
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191
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coordinates
Let the line p be the perpendicular bisector of A = (24, 7) and B = (-3, 4). Given that AB meets p at C = (x, y), what is 2x - 4y.
Guest
Jul 4, 2021
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360
1
Number Theory
N = 1991*1993*1995*1997*1999*2001*2003.
What is the sum of the hundreds, tens and units digits of N?
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Guest
Jul 4, 2021
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191
0
need help
What is the simplified numerical value of (a + 11b)/(a - b) if (4a + b)/(a - 2b) = 5?
Guest
Jul 4, 2021
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335
1
help plz
How many ordered pairs of positive integers (x,y) satisfy the inequality 4x + 8y < 20?
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Guest
Jul 4, 2021
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213
0
משפט פיתגורס:
משפט פיתגורס:
נתון לי ניצב ויתר. איך אני מגלה את הניצב השני
Guest
Jul 4, 2021
0
367
2
For what values of $j$ does the equation $(2x+7)(x-5) = -43 + jx$ have exactly one real solution? Express your answer as a list of numbers,
For what values of j does the equation (2x+7)(x-5) = -43 + jx have exactly one real solution? Express your answer as a list of numbers, separated by commas.
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Guest
Jul 4, 2021
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306
3
help with counting
A standard six-sided die is rolled 6 times. You are told that among the rolls, there was one 1, two 2's, one 3, and two 4's. How many possible sequences of rolls could there have been?
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Guest
Jul 4, 2021
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295
1
precalculus
In the complex plane,form, in some order, three of the vertices of a non-degenerate square. Enter all possible areas of the square, separated by commas.
Kind of confused what form means
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Guest
Jul 4, 2021
+1
479
1
+875
Happy July 4th!
Still 10:33 PM in my area though... I guess I'm going to go to sleep now. Nonetheless, happy independence day!
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MathProblemSolver101
Jul 4, 2021
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344
2
number theory
What is the remainder when 2013^13 is divided by 13?
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Guest
Jul 4, 2021
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388
2
help number theory
What is the remainder when 17^7 is divided by 35?
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Guest
Jul 4, 2021
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258
1
please help on geometry problem!!!
Problem: In triangle ABC with incenter I and circumcenter O. Let P be the reflection of A over OI and Q be the second intersection of line OI with the circumcircle of BIC. Prove that lines AI, BC, and PQ concur.
So for this
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Guest
Jul 4, 2021
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218
0
Number Theory
For how many positive integers n less than 100 is 5^n + 8^n + 13^n + 17^n a multiple of 6.
Guest
Jul 4, 2021
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393
1
percent
Three bags of jelly beans contain 26, 28, and 30 beans. The ratios of yellow beans to all beans in each of these bags are 50%, 25%, and 50%, respectively. All three bags of candy are dumped into one bowl. To the nearest percent, what is the percentage of
read more ..
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Guest
Jul 4, 2021
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