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Post New Question
All Questions
+0
237687 Questions
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266
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Quadratic
Find the quadratic polynomial f(x) such that f(0) = 3, f(1) = -5, and f(2) = 7.
Guest
Jan 8, 2022
0
288
0
Algebra
If a + b = 7 and a^3 + b^3 = 42, what is the value of the sum a^2 + b^2? Express your answer as a common fraction.
Guest
Jan 8, 2022
Jan 7, 2022
0
259
0
Algebra
If x and r are directly proportional and x=5 when r= 25, then what is x when $r = 50$?
Guest
Jan 7, 2022
0
317
1
Geometry
AD and BE are altitudes of triangle ABC. If AC = 10, BC = 18, and AD = 5, then find BE.
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Guest
Jan 7, 2022
0
417
1
Probability
Fran randomly chooses a positive integers n, 1 <= n <= 100. Find the probability that $n/18$ is reducible.
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Guest
Jan 7, 2022
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257
1
Geometry
What is the measure (in degrees) of the smallest interior angle of a triangle in which the exterior angle measures have the ratio $2:3:3$?
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Guest
Jan 7, 2022
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404
1
Algebra
Find the number of terms when the expression (1 + x)^10*(1 - x)^10 is expanded completely.
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Guest
Jan 7, 2022
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352
1
help please
1) Express in the form a+bi, where a and b are real numbers.
2) Express in the form a+bi, where a and b are real numbers.
read more ..
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Guest
Jan 7, 2022
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262
0
plz help
:( Access Denied Sorry, access to the requested page had to be denied by Web Safety web filter running within your network on proxy server named "ALS-WebProxy". Access is usually denied to inappropriate site categories, forbidden URLs and pages with explicit
read more ..
Guest
Jan 7, 2022
+3
398
2
+18
Plz help!
What is 1+2+3...20000+20001+20002=?
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NewMathsAlways
Jan 7, 2022
0
277
0
Floor function range
What is the range of the function $f(x) = \lfloor 2x \rfloor - x$?
Express your answer in interval notation.
Guest
Jan 7, 2022
0
274
0
help plz
As n ranges over the positive integers, what is the sum of all possible values of the greatest common divisor of 3n+4 and n+11?
Guest
Jan 7, 2022
0
665
1
What two rational expressions sum to 3x−2/x 2 −x−12 ?
What two rational expressions sum to 3x−2/x2−x−12 ?
please help
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Guest
Jan 7, 2022
0
399
1
Probability
Two real numbers are chosen at random between 0 and 2. What is the probability that the sum of their squares is no more than 1? Express your answer as a common fraction in terms of pi.
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Guest
Jan 7, 2022
0
255
0
help with function
For some constants a and b let
f(x) = 8 - x if x <= 4
f(x) = ax + b if x > 4
The function f has the property that f(f(x)) = x for all x. What is a + b?
read more ..
Guest
Jan 7, 2022
0
353
1
help geometry
A triangle has side lengths of 10, 24, and 26. Let a be the area of the circumcircle, and let b be the area of the triangle. Compute a - b in terms of pi.
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Guest
Jan 7, 2022
0
376
1
Allan bought one dozen flowers for his grandmother. 1/2 of the flowers were tulips 1/6 of the flowers were roses The rest of the flowers wer
Allan bought one dozen flowers for his grandmother. 1/2 of the flowers were tulips 1/6 of the flowers were roses The rest of the flowers were daisies How many daisies did Allen buy?
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Guest
Jan 7, 2022
0
335
1
Algebra
The product (3 - sqrt(5))(4 + 2*sqrt(5))*(1 + sqrt(5)) can be expressed in the form a + b*sqrt(5), where a and b are integers. Find a+b.
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Guest
Jan 7, 2022
0
266
0
Graphing question
What is the smallest distance between the origin and a point on the graph of $y = \frac{1}{\sqrt{2}} (x^2 - 18)$?
Guest
Jan 7, 2022
0
331
1
Sequence
The first term of a sequence is 20.
If a term in the sequence is t and t is even, the next term is t/2
If a term in the sequence is t and t is odd, the next term is 3t + 1.
Therefore, the first three terms in the sequence are 20, 10, 5.
What
read more ..
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Guest
Jan 7, 2022
0
376
2
Cauchy Help!
Let be positive real numbers such that . Find the minimum value of
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Guest
Jan 7, 2022
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315
1
Geometry
1) Let ABCDE be a regular pentagon. Prove that AC bisects angle BCE and AD bisects angle BDE.
2) In quadrilateral BCDE, CBD = 31 degrees, CED = 47 degrees, BCE = 85 degrees. Find angle BDE.
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Guest
Jan 7, 2022
0
344
2
how to find x?
why is x 72????
?
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Guest
Jan 7, 2022
+1
393
1
Drag each label to the correct location on the image.
Drag each label to the correct location on the image.
Identify which equations have one solution, infinitely many solutions, or no solution.
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Guest
Jan 7, 2022
0
442
2
how can you even imagine the angle?
why couldnt it be AEB
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Guest
Jan 7, 2022
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