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Post New Question
All Questions
+0
230619 Questions
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249
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
Jan 24, 2022
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276
2
Quadratic
What is the maximum value of 4(x + 7)(12 - x)?
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Guest
Jan 24, 2022
0
276
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
Jan 24, 2022
0
280
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
Jan 24, 2022
0
280
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
Jan 24, 2022
0
226
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
Jan 24, 2022
0
222
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
Jan 24, 2022
0
260
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
Jan 24, 2022
0
267
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
Jan 24, 2022
0
283
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
Jan 24, 2022
0
414
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.
read more ..
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Guest
Jan 24, 2022
0
259
1
+82
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
Jan 24, 2022
0
261
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
0
295
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
0
317
3
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
+1
359
6
+23
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
read more ..
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DreamingFox1214
Jan 24, 2022
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307
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
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264
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
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293
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
0
261
1
Polynomials
Find the constant coefficient when the polynomial 3(x - 4) + 2(x^2 - x + 7) - 5(x - 1) + 8(x^2 - x + 3) - 4(x - 5) is simplified.
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Guest
Jan 24, 2022
0
265
2
Counting
At my office, 16 people own cats, people own dogs, and people own both cats and dogs. How many people own a cat or a dog?
(Remember that in mathematics, the word "or" is used in the inclusive sense. So if you own both a cat and a dog, then
read more ..
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Guest
Jan 24, 2022
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312
1
Let be a geometric sequence with common ratio and let be a geometric sequence with common ratio If and
Let be a geometric sequence with common ratio and let be a geometric sequence with common ratio Ifand then find
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Guest
Jan 24, 2022
Jan 23, 2022
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302
1
Inequality
Find a linear inequality with the following solution set. Each grid line represents one unit.
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Guest
Jan 23, 2022
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258
1
Domain
How many real numbers are not in the domain of the function
f(x) = 1/(x - 64) + 1/(x^2 - 64) + 1/(x^3 - 64) + 1/(x^4 - 64)
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Guest
Jan 23, 2022
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