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206864 Questions
0
3
1
I need help
Jack made cookies for Remembrance Day. He made 2 1/3 dozen chocolate cookies, 1 dozen peanut cookies, and 1 1/2 dozen oatmeal cookies. If he puts the same number of each cookie in each bag and has no cookies left over, what is the largest number of bags
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Guest
19
mins ago
0
2
0
Help.
Peter likes to learn about Australia. He saved 12 one-dollar bills to buy a book about kangaroos. After he paid for the book, he had 1/3 of his one-dollar bills left. How many one-dollar bills were left?
Guest
24
mins ago
0
2
0
Counting problem
Let K be the number of pairs of positive integers (a, b) with 1 <= a, b <= 10. Let L be the number of pairs of positive integers (c, d) with 1 <= c, d <= 10. Let M be the number of pairs of positive integers (e, f) with 1 <= e <= f <=
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Guest
31
mins ago
0
3
1
Help please
There were 30 tumbleweeds in the pasture. Eric's father asked him to move them out of the pasture because they scared the cattle. Eric moved a third of them before lunch. After lunch, he threw the rest of them in a pile and burned them. How many tumbleweeds
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Guest
34
mins ago
0
4
0
+34
Absolute Value Function Question
For the quadratic function, y= -x^2-2x+8, identify the following:
a) The equation of the reciprocal function
b) Vertical and horizontal asymptotes of the reciprocal function
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JuliaJ5
38
mins ago
+1
6
2
Counting
How many rectangles are in this figure? Each angle is a right angle.
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Guest
54
mins ago
0
5
1
+34
Absolute Value Function Question
The function f(x) < 0 when -2 < x < 1. Which of the following is true about the function |f(x) | ?
a) |f(x) | = - f(x) when -1 < x < 2
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JuliaJ5
55
mins ago
0
7
1
Counting problem
How many distinct sums can be obtained by adding three different numbers from the set {3, 6, 9, ... ,27 , 30 }?
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Guest
1 hour ago
0
6
1
Polynomials
We have that 3f(x) + 4g(x) = h(x) where f(x), g(x), and h(x) are all polynomials in x. If the degree of f(x) is 4 and the degree of h(x) is , then what is the minimum possible degree of g(x)?
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Guest
1 hour ago
0
11
3
plz help
What is the sum of all possible values of x such that 2x(x + 10) = -50?
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Guest
2 hours ago
0
7
1
Algebra
The quadratic 2x^2 - 3x + 29 has two imaginary roots. What is the sum of the squares of these roots? Express your answer as a decimal rounded to the nearest hundredth.
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Guest
2 hours ago
0
8
0
Number Theory
An integer n is said to be square-free if the only perfect square that divides n is 1. How many positive odd integers greater than 1 and less than are square-free?
Guest
2 hours ago
0
10
1
Algebra
Simplify (sqrt(5) + sqrt(45) + sqrt(125) )^2
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Guest
3 hours ago
0
6
0
Sequence problem
What is the greatest positive integer that must divide the sum of the first terms of any arithmetic sequence whose terms are positive integers?
Guest
3 hours ago
0
6
0
Number Theory
Given that a is a multiple of 456, find the greatest common divisor of 3a^3 + a^2 + 4a + 57
Guest
3 hours ago
0
5
0
Geometry
Let T be a point inside square EFGH such that TE = sqrt(6), TF = 2*sqrt(3), and TG = . Find angle ETF, in degrees.
Guest
3 hours ago
0
10
1
What is the square of the imaginary part of the center of the circle with the equation |z-i|/|z-1|=3
What is the square of the imaginary part of the center of the circle with the equation
|z-i|/|z-1|=3
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Guest
3 hours ago
0
6
1
fractions
Karly is making a new dance outfit. She needs 2 ½ yards of fabric for the shawl. She needs 1 ¾ yards of fabric for the dress. If she has 3 yards of fabric, how much more does she need. If each yard of fabric costs $7.98, how much
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Guest
3 hours ago
0
11
1
Karly is making a new dance outfit. She needs 2 ½ yards of fabric for the shawl. She needs 1 ¾ yards of fabric for the dress. If she has 3
Karly is making a new dance outfit. She needs 2 ½ yards of fabric for the shawl. She needs 1 ¾ yards of fabric for the dress. If she has 3 yards of fabric, how much more does she need. If each yard of fabric costs $7.98, how much
read more ..
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Guest
3 hours ago
0
6
1
Logarithms and Exponents...
I know the domain and range for . However, I don't completely understand how that was achieved. Can someone please help me?
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Guest
4 hours ago
0
9
2
Quadratic
What is the maximum value of 4(x + 7)(12 - x)?
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Guest
4 hours ago
0
8
1
Quadratic
When the expression -2x^2 - 10x - 83 is written in the form a(x + d)^2 + e , where a, d, and e are constants, then what is the sum a + d + e?
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Guest
4 hours ago
0
6
1
Quadratic
If we express 6x^2 - 2x - 3 in the form a(x - h)^2 + k, then what is a + h + k?
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Guest
4 hours ago
0
7
2
Quadratic
The quadratic x^2 - 8x + 66 can be written in the form (x + b)^2 + c, where b and c are constants. What is b + c?
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Guest
4 hours ago
0
12
1
Help please
Let ABCDEFGH be a rectangular prism, where EF=4, EH=5, and EA=6. Find the volume of pyramid CFAH.
I know that this has already been answered somewhere else, but I want the answer as a radical or fraction.
Thanks!
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Guest
5 hours ago
0
6
1
Pls help thanks in advance!
18 boys and 9 girls shared some sweets equally. Each boy gave 1/4 of his sweets to the girls. As a result, each girl received 12 more sweets than each boy. Find the total number of sweets shared at first.
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Guest
5 hours ago
0
6
1
Algebra
If f(0) = 0, f(1) = 2, f(2) = 9, and ax^2+bx+c=0, what is the value of f(3)?
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Guest
5 hours ago
0
5
1
Polynomial
What is the coefficient of x^3 when 24x^4 + 6x^3 + 4x^2 + 7x - 5 is multiplied by 6x^3 + 3x^2 - 3x + 4 and the like terms are combined?
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Guest
5 hours ago
0
6
1
Proportion
The value of y varies inversely as x^2 and when x = 24, y = 15 . What is x when y =?
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Guest
6 hours ago
0
14
1
Consider the following 8 numbers, where one labelled x is unknown. 14, 28, 28, x, 36, 6, &
Consider the following 8 numbers, where one labelled x is unknown.
14, 28, 28, x, 36, 6, 4, 50
Given that the range of the numbers is 59, work out 2 values of x.
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Guest
7 hours ago
0
7
1
+34
Absolute value function question
The function f(x) < 0 when -2 < x < 1. Which of the following is true about the function |f(x) | ?
a) |f(x) | = - f(x) when -1 < x < 2
read more ..
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JuliaJ5
8 hours ago
0
11
1
Quadratic
The amount of money a certain company makes can be represented by the graph y = x^2 - 18x - 33 , where x is the quantity produced. What is the smallest quantity at which the company can produce to break even or make a profit?
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Guest
Jan 24, 2022, 5:27:52 AM
0
8
1
Function
The function f is defined by f(n) = f(n − 1) + f(n − 2). It is also true that f(1) = 3 and f(2) = 10. What is the value of f(6)
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Guest
Jan 24, 2022, 5:18:46 AM
0
9
1
Help counting
The product of the digits of 3214 is 24. How many distinct four-digit positive integers are such that the product of their digits equals 24?
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Guest
Jan 24, 2022, 5:18:34 AM
0
19
5
+18
Question! Please Help!
Hi friends! Recently, I've been working on many mock MATHCOUNTS sessions and found myself stuck on this question:
Find the least positive integer b such that the value of the expression (4b + 9)(6b + 13) is a perfect
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DreamingFox1214
Jan 24, 2022, 5:09:09 AM
0
17
1
If two triangles are similar, then the lengths of corresponding medians are in the same ratio as the lengths of corresponding sides.
Must be proven algebraically.
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Guest
Jan 24, 2022, 4:37:52 AM
0
11
1
Algebra
Find all solutions to the equation 6x^2 - 31x + 42 = 0. If you find more than one, then list the values separated by commas. If the solutions are not real, then they should be written in a + bi form.
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Guest
Jan 24, 2022, 2:15:58 AM
0
13
1
Proportions
The value of y varies inversely as x^2 and when x = 24, y = 15 . What is x when y = 13?
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Guest
Jan 24, 2022, 1:46:24 AM
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