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Post New Question
All Questions
+0
230874 Questions
0
325
1
help coordinates
The distance between the points (x,21) and (4,7) is 10sqrt(3) Find the sum of all possible values of x.
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Guest
Aug 8, 2021
0
314
1
Function
Let
f(x) = 3x^2 + 2 if x <= 3
f(x) = ax^2 - x + 11 if x > 3
read more ..
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Guest
Aug 8, 2021
0
362
3
+106
help please!
Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. What is the degree of f(x) multiplied by g(x)?
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QuestionableBean
Aug 8, 2021
0
375
4
+106
help!
Suppose f is a polynomial such that f(0) = 47, f(1) = 32, f(2) = -13, and f(3)=16. What is the sum of the coefficients of f?
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QuestionableBean
Aug 8, 2021
0
285
1
help inequality
How many ordered pairs (x,y) of positive integers satisfy the inequality 4x + 5y < 200?
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Guest
Aug 8, 2021
0
343
1
Number Theory
What is the sum of the smallest and second-smallest positive integers a satisfying the congruence 27a = 17 (mod 42)?
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Guest
Aug 8, 2021
0
254
1
+4
Pls help
Given positive integers x and y such that and what is the smallest possible value for x+y
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Morchman
Aug 8, 2021
0
224
1
im confused
Define the operation a∇b = 2+b^a What is the value of (1∇2)∇3?
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Guest
Aug 8, 2021
0
316
1
help algebra
The roots of x^2 + 8x + 4 = 0 are the same as the roots of 2x^2 + Ax + B = 0. What is A + B?
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Guest
Aug 8, 2021
0
308
1
help algebra
Find the smallest value of x such that x^2 + 10x + 25 = 18.
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Guest
Aug 8, 2021
0
231
0
help
King Arthur and his twelve knights invited Robin Hood, James Bond, and Harry Potter for a dinner event. They are going to sit around a round table of 16. King arthur, robin hood, james bond, harry potter sit in clockwise order. How many seating arrangements
read more ..
Guest
Aug 8, 2021
0
199
0
help
In Mr.Penguin's math class, there are five boys and nine girls. At the end of the term, Mr.Penguin wants to take a picture of the whole class. He wants all students to stand in a row, with boys standing in decreasing order according to their height (assuming
read more ..
Guest
Aug 8, 2021
0
176
0
Domain
What is the smallest integer value of c such that the function f(x)=(2x^2+x+5)(x^2+41x+c) has a domain of all real numbers?
Guest
Aug 8, 2021
0
316
1
Parabola
How many y-intercepts does the graph of the parabola x = -y^2 + 4y - 4 - 2y + 7 have?
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Guest
Aug 8, 2021
0
281
2
help
A five-digit number is called a mountain number if the first three digits increase and the last three digits decrease. For example, 35763 is a mountain number but 35663 is not. How many five-digit numbers greater than 70000 are mountain numbers?
<
read more ..
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Guest
Aug 8, 2021
0
343
2
counting
Each license plate in the Flat Land must have exactly three characters, two of which are two different digits from 0 to 9 and one of which is a capital letter from A to Z. Find the number of possible license plates.
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Guest
Aug 8, 2021
0
297
1
Urgent
What is the range of the function
r(x) = 1/(1-x)^2
read more ..
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Guest
Aug 8, 2021
0
215
1
Help
What is the smallest real number x in the domain of the function g(x) = sqrt( (x-3)^2 - (x-8)^2 )?
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Guest
Aug 8, 2021
0
365
3
Question
Is it true that when two functions intersect at one point (A), then their derivatives must be equal at A?
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Guest
Aug 8, 2021
0
367
1
+41
HELP URGENT!!!
Suppose that $f$ is a polynomial such that\[(x^2-1)\cdot f(x)=5x^6-x^5+3x^4+x^3 - 25x^2 +38x -17.\]What is the degree of $f$?
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CENTTRAL
Aug 8, 2021
0
371
2
+80
Mathematics
Hotdogs come in packages of 10, while rolls come in either 8 or 12. What is the smallest number of packages of each you have to buy in order to have the same number of hotdogs and rolls?
Please explain.
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DoctorOcopisMonOct
Aug 8, 2021
0
331
1
help with polynomials
If f is a polynomial of degree 3, such that f(0) = f(2) = f(3) = 1 and f(1) = 0, find f(4).
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Guest
Aug 8, 2021
0
326
1
help algebra
When f(x) = ax^3 - 6x^2 + bx - 5 is divided by x - 1, the remainder is 5. When f(x) is divided by x - 2, the remainder is -53. Find the ordered pair (a,b).
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Guest
Aug 8, 2021
0
328
1
help polynomial
The polynomial p(x) = 3x^3 - 20x^2+ kx + 12 is divisible by x - 3 for some constant k. Factor p(x) completely.
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Guest
Aug 8, 2021
0
387
2
Pls help
Let $a_1,$ $a_2,$ $\dots$ be a sequence of real numbers such that for all positive integers $n,$ \[\sum_{k = 1}^n a_k \left( \frac{k}{n} \right)^2 = 1.\]Find the smallest $n$ such that $a_n < \frac{1}{2018}.$
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Guest
Aug 8, 2021
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