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Post New Question
All Questions
+0
236027 Questions
0
13
1
+976
Algebra
Solve the inequality
\frac{3-z}{z+1} \ge 2(z + 4).
Write your answer in interval notation.
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Hi6942O
May 12, 2024
0
29
0
+976
Algebra
Solve the inequality 4t^2 \le -9t + 12 - 4t + 23 + (2t - 1)(2t + 1). Write your answer in interval notation.
Hi6942O
May 12, 2024
0
31
0
+976
Algebra
Solve the inequality x(x + 6) > 16 - x + 14 + x^2. Write your answer in interval notation.
Hi6942O
May 12, 2024
0
20
0
+976
Algebra
Solve the inequality (x - 2)(x + 6) \le (x - 2)(x + 5). Write your answer in interval notation.
Hi6942O
May 12, 2024
0
24
0
+297
Counting
North High School has a math club and a science club. There are a students in the math club and b students who are members of both clubs. The total number of students is c. Find an expression for the total number of students
read more ..
rtsdylifdts
May 12, 2024
0
34
0
+297
Counting
A speech class has $4$ freshmen and $3$ sophomores. (Everyone is distinguishable.) In how many ways can they stand in line, so that all of the freshmen are standing next to each other?
rtsdylifdts
May 12, 2024
0
35
0
+297
Counting
I have $4$ different mathematics textbooks and $3$ different psychology textbooks. In how many ways can I place the $7$ textbooks on a bookshelf, in a row, if all the psychology textbooks are together?
rtsdylifdts
May 12, 2024
0
23
0
+297
Counting
Four children and four adults are to be seated at a circular table. In how many different ways can they be seated if all the children are together? (Two seatings are considered the same if one can be rotated to form the other.)
rtsdylifdts
May 12, 2024
0
10
4
+121
Counting and probability
How many integers are between and ?
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Hi69420
May 12, 2024
0
22
1
+121
help
What is the greatest prime factor of the sum of the arithmetic sequence ?
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Hi69420
May 12, 2024
0
20
1
+121
Plsss halpppp
The product of two positive integers minus their sum is 39. The integers are relatively prime, and each is less than 20. What is the sum of the two integers?
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Hi69420
May 12, 2024
0
24
1
+121
Help
Mark borrows 10 dollars from Emily with a simple interest rate of 15% everyday. What is the least integer number of days after which Mark will have to pay her back at least twice as much as he borrowed?
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Hi69420
May 12, 2024
0
21
1
+121
I need help
Suppose . Find .
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Hi69420
May 12, 2024
0
17
1
+2653
Algebra
The graph of $y = ax^2 + bx + c$ has an axis of symmetry of $x = -1.$ If $a = 2,$ then find $b.$
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LiIIiam0216
May 12, 2024
0
24
1
+2653
Algebra
Find the area of the region enclosed by the graph of $x^2 + y^2 = 2x - 6y + 6 + 14x - 16y + 80$.
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LiIIiam0216
May 12, 2024
0
14
1
+2653
Algebra
Find the vertex of the graph of the equation y = -2x^2 + 8x + 15 - 3x^2 + 7x - 25
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LiIIiam0216
May 12, 2024
0
26
1
+121
Help
The first term of an arithmetic sequence is 2. The sum of the third and the sixth terms is 25. What is the fourth term?
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Hi69420
May 12, 2024
0
14
1
+2653
Algebra
Determine all of the following for $f(x) \cdot g(x)$, where $f(x) = -x^2+ 8x - 5$ and $g(x) = x^3 - 11x^2 + 2x$.
Leading term
Leading coefficient
Degree
read more ..
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LiIIiam0216
May 12, 2024
0
20
0
+2653
Algebra
Let $f$ be a cubic polynomial such that $f(0) = 0$, $f(1) = 0$, $f(2) = 0$, and $f(3)=0$. What is the sum of the coefficients of $f$?
LiIIiam0216
May 12, 2024
May 11, 2024
0
33
0
+2653
Algebra
Let $b$ be a constant. What is the smallest possible degree of the polynomial $f(x) + b \cdot g(x)$, where $f(x) = 2x^5 - 6x^4 - 4x^3 + 12x^2 + 7x - 5$ and $g(x) = x^15 - 3x^14 - 2x^13 - 6x^12 + 14x - 10$?
LiIIiam0216
May 11, 2024
0
31
0
+2653
Algebra
Find the real number k such that f(x) = f(k - x) for all real numbers x, where
f(x) = 3x^2 - 4x + 2x^2 + 15x.
LiIIiam0216
May 11, 2024
0
34
0
+2653
Algebra
What are the coordinates of the points where the graphs of $f(x)=x^3 + x^2 - 3x + 5$ and $g(x)=x^4-7x^3+5x^2-18x+17$ intersect?
Give your answer as a list of points separated by commas, with the points ordered such that
read more ..
LiIIiam0216
May 11, 2024
0
34
0
+2653
Algebra
The function
f(x) = \frac{cx}{(4x - 5)(3x + 2)}
satisfies $f(f(x))=x$ for all real numbers $x\neq \frac{5}{4}$ and $x \neq -\frac{2}{3}$. Find $c$.
LiIIiam0216
May 11, 2024
0
31
0
+2653
Algebra
Let $f(x) = px + q$, where $p$ and $q$ are real numbers. Find $p+q$ if $f(f(f(x))) = 64x - 105 - 30x + 70 + 32x - 12$.
LiIIiam0216
May 11, 2024
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