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All Questions
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211723 Questions
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56
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Inequality
Find the set of all z such that neither 2+z nor 2-3z is in the interval (-1,2]. Express your answer as an interval or as a union of intervals.
Guest
Jan 23, 2022
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63
1
Inequality
How many ordered pairs (x,y) of positive integers satisfy the inequality 4x + 5y < 200?
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Guest
Jan 23, 2022
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88
3
Congruences
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
Jan 23, 2022
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85
1
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
Jan 23, 2022
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99
2
help algebra
Find the smallest value of x such that x^2 + 10x + 25 =
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Guest
Jan 23, 2022
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63
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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).
Guest
Jan 23, 2022
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67
1
Geometry
In the figure, if FR = FG, the measure of arc FG is 138 degrees, and measure of arc FQ is degrees, then what is angle RPG, in degrees?
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Guest
Jan 23, 2022
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89
1
Counting
Cory has 3 apples, 2 oranges and bananas. If Cory eats one piece of his fruit per day for a week and the pieces of fruit within each category are indistinguishable, in how many orders can Cory eat the fruit? One such order is
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Guest
Jan 23, 2022
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74
1
Algebra
If we express 2x^2 + 6x + 11 in the form a(x - h)^2 + k, then what is h?
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Guest
Jan 23, 2022
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71
1
geometry
The measure of angles of quadrilateral ABCD form the arithmetic sequence ∠A, ∠B, ∠C, ∠D. If the measure of angle B is degrees what is the degree measure of angle D?
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Guest
Jan 23, 2022
Jan 22, 2022
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71
1
calendar problem
January 1st of a year is a Monday. What day of week is the of the same month?
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Guest
Jan 22, 2022
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98
1
The red parabola shown is the graph of the equation x = ay^2 + by + c. Find c. (The grid lines are spaced one unit apart.)
The red parabola shown is the graph of the equation x = ay^2 + by + c. Find c. (The grid lines are spaced one unit apart.)
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Guest
Jan 22, 2022
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99
3
+12
trig
A ladder leaning against a wall makes a 45-degree angle with the ground. The ladder has a horizontal distance from the wall of 7 feet. At what vertical height does the ladder touch the wall? Round your answer to the nearest Whole Number. (hint: draw a picture)
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meeeeeee
Jan 22, 2022
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72
1
homework
4.4(1.18)^6
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Guest
Jan 22, 2022
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82
2
Exponents
What is the value of n if 2^10 * 4^20 * 8^40 = 2^n?
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Guest
Jan 22, 2022
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71
2
Decimals
Find the 291st digit past the decimal point in the expansion of
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Guest
Jan 22, 2022
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71
1
Algebra
What is the positive solution to the equation x = 1/(2 + 1/(x + 2)) ?
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Guest
Jan 22, 2022
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74
1
Geo
Points B, C, F, E are picked on a circle such that BC//EF. When BC is extended to the left, point A is marked outside the circle such that AB = 4 and BC = 5. When EF is extended to the left, point D is marked outside the circle such that DE = 3. AD is perpendicular
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Guest
Jan 22, 2022
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71
1
Algebra
Suppose that a is a nonzero constant for which the equation ax^2 + 20x + 7 = 14x + 9 has only one solution. Find this solution.
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Guest
Jan 22, 2022
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110
3
math question-pls help(number theory)
supposed to be solvable with no calculator
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Guest
Jan 22, 2022
-1
100
4
Pls help. Extremely difficult problem.
At Central Middle School the 108 students who take the AMC 8 meet in the evening to talk about problems and eat an average of two cookies apiece. Walter and Gretel are baking Bonnie's Best Bar Cookies this year. Their recipe, which makes a pan of cookies,
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Guest
Jan 22, 2022
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75
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Alphabet count
Write down all the 26 letters of the English alphabet: A, B, C...X, Y, Z. Count them from left to right and back in such a way as Z would be 26 and then back, so Y would be 27, X would be 28...and so on. Where would you land on the count of 2101? Thanks
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Guest
Jan 22, 2022
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55
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Algebra
Find a monic quartic polynomial f(x) with rational coefficients whose roots include x=5-i\sqrt[4]{3} . Give your answer in expanded form.
Guest
Jan 22, 2022
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68
1
Sequences
Each successive term in the sequence 2048, 512, 128, x, y, ... is obtained by multiplying the previous term by a constant. What is the value of x + y?
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Guest
Jan 22, 2022
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180
12
+865
Two Meticulous Questions
I came up with these questions I thought would be easy to solve, but apparently I can't find how to!
1. In a paintball game, Jack attempted 20 shots and made 15 in the first half. In the second half, he was a marksman and made every
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MathProblemSolver101
Jan 22, 2022
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