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Post New Question
All Questions
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234927 Questions
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263
1
help plz
Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 12 meters tall and 250 meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint
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Guest
Jun 30, 2021
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281
1
Geometry
Allie and Ezra are sitting on flagpoles, throwing beanbags at each other. Allie's flagpole is 35 feet tall. Ezra's flagpole is 27 feet tall. The flagpoles stand 12 feet apart. How far, in feet, does Ezra have to throw a beanbag to reach Allie?
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Guest
Jun 30, 2021
+1
392
4
Triangle
Triangle ABC has the height AD and angle A = 90º. If CD = 4, and BD = 5, find this ratio [ACD]/[ABD].
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Guest
Jun 30, 2021
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348
1
Algebra
The expression 6y^2 - y - 15 can be rewritten as A(y - B)(y - C). Find A + B + C.
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Guest
Jun 30, 2021
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334
1
Factors
How many natural-number factors does N have if N=2^4*3^8*5^2*7^2?
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Guest
Jun 30, 2021
0
322
1
plz help
The equation of the line passing through (1,11) and (4,8) can be expressed in the form
x/a + y/b = 1.
Find a.
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Guest
Jun 30, 2021
0
391
2
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
Jun 30, 2021
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379
3
help pls
Find all solutions to the equation x^2 - 7x = 44.
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
Jun 30, 2021
0
358
1
Linear Inequality
Find a linear inequality with the following solution set. Each grid line represents one unit.
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Guest
Jun 30, 2021
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424
2
counting
At my office, 16 people own cats, 11 people own dogs, and 7 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 you are
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Guest
Jun 30, 2021
0
425
2
Cryptic crossword
Athletic contest surprisingly not held outside central america (9)
Pls show how you did it.
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Guest
Jun 30, 2021
0
235
0
Cryptic crossword pls help and give answer
Athletic contest surprisingly not held outside central america (9)
Pls explain how you did it
Guest
Jun 30, 2021
0
345
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
Jun 30, 2021
0
552
2
+195
Got problems
1. If $a$ and $b$ must be nonnegative integers, what is the largest integer $n$ such that $13a + 18b = n$ has no solutions?
2. If $a$ and $b$ must be positive integers, what is the largest integer $n$ such that $13a + 18b = n$ has no solutions?
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QuestionMachine
Jun 30, 2021
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226
0
Proportions
The value of y varies inversely as x^2 and when x = 24, y = 15 . What is x when y = 13?
Guest
Jun 30, 2021
0
399
1
need help
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
Jun 30, 2021
0
207
0
help plz
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?
Guest
Jun 30, 2021
0
359
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
Jun 30, 2021
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373
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?
catmg
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Guest
Jun 30, 2021
Jun 29, 2021
0
360
1
Polynomials
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
Jun 29, 2021
0
351
1
Quadratic
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
Jun 29, 2021
0
345
1
Quadratic
What is the maximum value of 4(x + 7)(12 - x)?
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Guest
Jun 29, 2021
0
367
1
PLs help
Let $a,$ $b,$ $c$ be positive real numbers such that \[\log_a b + \log_b c + \log_c a = 0.\]Find \[(\log_a b)^3 + (\log_b c)^3 + (\log_c a)^3.\]
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Guest
Jun 29, 2021
0
372
1
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 1000 are square-free?
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Guest
Jun 29, 2021
0
319
1
help 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.
ElectricPavlov
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Guest
Jun 29, 2021
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