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All Questions
^{+0}
197755 Questions
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3
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Algebra
Find all solutions to the equation x^2 + 29 = 10x + 3.
Guest
30
mins ago
0
2
0
Help geometry
A sector of a circle has a central angle of 100. If the area of the sector is 250\pi, what is the radius of the circle?
Guest
48
mins ago
0
3
0
Algebra
Find a monic cubic polynomial P(x) with integer coefficients such that $P(\sqrt[3]{4} + 1) = 0$ . (A polynomial is monic if its leading coefficient is 1.)
Guest
1 hour ago
0
5
0
integral by substitution
\int \frac{sin^2\theta \:cos\theta }{\sqrt{1+sin\theta }}
Guest
1 hour ago
0
13
4
ExTrA hArD ChALLeNge iNvoLvinG dOt ProDUcTS
Let "a" and "b" be two vectors such that neither of a-b and a+b is the zero vector.
(a) Prove that if the vectors a and b are of equal length, then a-b and a+b are perpendicular.
(b) Prove that if a-b and a+b are perpendicular, then a and b are
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Guest
1 hour ago
0
10
4
HeLP WiTh VeCtOrS pLeAsE uRgeNT ! ! ! ! !
Let "a" be a vector of length 2, and let "b" and "c" be vectors such that
Enter in the numbers
below, in the order listed above. If any of these cannot be uniquely determined from the information given, answer with a question
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Guest
1 hour ago
0
6
1
Algebra
Let r and s be the roots of x^2 - 6x - 2 = 0. Find (r - s)^2.
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Guest
2 hours ago
0
7
1
Algebra
The quadratic equation 2x^2 + bx + 82 has a double root. Find all possible values of b.
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Guest
3 hours ago
0
8
0
help with proof im stuck
Prove that 5^{n^3} +1 is divisible by 3^{n+1} for all nonnegative integers
pls help
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Guest
4 hours ago
0
6
1
Algebra
Find all solutions to the equation 6x^2 - 31x + 46 = 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
4 hours ago
Jun 24, 2021
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9
1
Algebra
Find all solutions to the equation x^2 - 7x = 38. If you find more than one, then list the values separated by commas.
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Guest
5 hours ago
0
10
1
help ;C
Can i have a little help with this? How do i estimate to the tenths?
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Guest
5 hours ago
0
7
1
Counting question
How many ways are there to put 4 distinguishable balls into 3 distinguishable boxes?
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Guest
5 hours ago
0
5
1
need help
Paul Picasso painted one-fourth of a house. His friend Monty Monet continued painting the house for eight hours and two-fifths of the house was done. What part of the house can Monty paint in an hour? Express your answer as a common fraction.
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Guest
6 hours ago
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12
1
Sorry this is a long one, I really need help though.
Based on a poll of 1000 residents, a newspaper article claims that 62% of the residents in town favor the development of a recreational park on the west side of town. A community action group interested in preserving the environment claims that 45% of the
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Guest
6 hours ago
0
10
1
need answer asap
Sloan the sloth crawls at 100 meters per hour when crawling uphill, 120 meters per hour when crawling across flat ground, and 150 meters per hour when crawling downhill. One day, Sloan crawls across the forest floor from a tree stump to a spring, and
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Guest
6 hours ago
0
8
1
Solid geometry
A solid right prism has a height of 16 as shown. Also, its bases are equilateral triangles with side length 12. Points X Y Z and are the midpoints of edges AC, BC, DC respectively. A part of the prism above is
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Guest
6 hours ago
0
9
3
geometry
In triangle ABC, AB = AC = 25 and BC = 20. Points D, E and F are on sides AB, BC and AC respectively, such that DE and EF are parallel to AC and AB respectively. What is the perimeter of parallelogram ADEF?
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UsernameTooShort
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Guest
7 hours ago
0
7
1
Complex Numbers
Find all complex numbers z such that z^2 = 2i + 2.
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Guest
8 hours ago
+1
12
1
+9
Please help
Please help me with the question
Please help!!!!
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iboeshak
8 hours ago
0
7
1
Pyramid
How high would a pyramid be using 320 million one meter cubes
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Guest
9 hours ago
0
6
1
help plz
A segment with endpoints at A(2,-2) and B(14,4) is extended through to point C. If BC = 1/8*AB, what are the coordinates for point C? Express your answer as an ordered pair.
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Guest
9 hours ago
0
13
4
Help Needed Quickly
Find the unique triple $(x,y,z)$ of positive integers such that $x
Please help fast and thanks in advance.
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Guest
9 hours ago
0
8
1
Help please...
The average number of employees that call in sick for the day over the course of a year is 25.
The number of employees that call in sick on 12 days are
25, 10, 16, 39, 27, 25, 32, 25, 25, 22, 28, and 14.
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Guest
9 hours ago
+1
8
1
+9
Please help
A spinner with three sectors labeled A, B, and C is spun, and a coin is flipped. Let H stand for heads and T for tails.
What is the sample space for the experiment?
{H, T}
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iboeshak
9 hours ago
0
18
4
+26
3 questions, can i get help?
1. An octopus told me that his underwater cave is years old. How many years is this in base ten?
2. What is the digit in the thousandths place of the decimal equivalent of ?
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Skripple
9 hours ago
0
14
0
CPHIL OR ANYBODY PLEASE HELP FAST
Find the unique triple $(x,y,z)$ of positive integers such that $x < y < z$ and \[\frac{1}{x} - \frac{1}{xy} - \frac{1}{xyz} = \frac{19}{97}.\]
Please help fast and thanks in advance.
Guest
9 hours ago
0
6
2
system
a and b are real numbers and satisfy a*b^2 = 27/5 and a^2*b = 1080. Compute a + 5b.
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Guest
9 hours ago
0
8
1
Ratios
What is the ratio of x to y if: (10x - 3y)/(13x - y) = 3/5 ? Express your answer as a common fraction.
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Guest
10 hours ago
0
6
1
help algebra
Find a monic polynomial of degree 4, in x, with rational coefficients such that sqrt(2) + sqrt(5) is a root of the polynomial.
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Guest
10 hours ago
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