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Post New Question
All Questions
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236111 Questions
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207
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sequences
If the 10th term of a harmonic progression is 21 and the 21st term of the same harmonic progression is -10, then find the 210th term.
Guest
Feb 20, 2022
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304
1
help parabolas
Two parabolas are the graphs of the equations y= 2x^2 - 7x + 1 and y = 8x^2 - 25x + 13. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.
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Guest
Feb 20, 2022
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275
1
Coordinates
A triangle is formed by the points (6,0) , (0,0) , (0,6). How many points with integer coordinates are in the interior of the triangle?
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Guest
Feb 20, 2022
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330
1
+72
Math check?
Is this correct?
https://prnt.sc/v0p4Bzh3gLnv
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loona
Feb 20, 2022
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306
1
probability
9 cards are dealt to three people at random, so that everyone gets 3 cards. What is the probability that everyone gets a red card?
Reds(A,B,C) Blue(A,B,C). yellow(A,B,C)
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Guest
Feb 20, 2022
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301
2
Prime factorization of 2573 step-by-step
I'm trying to know this strange number
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Guest
Feb 20, 2022
Feb 19, 2022
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325
3
Algebra
Let a and b with a>b>0 be real numbers satisfying a^2+b^2=4ab. Find a/b - b/a.
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Guest
Feb 19, 2022
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279
2
Domain & Range
Find the domain and range of and
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Guest
Feb 19, 2022
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351
2
What is the radius of the circle inscribed in triangle $ABC$ if $AB = 22, AC=12,$ and $BC=14$? Express your answer in simplest radical form.
What is the radius of the circle inscribed in triangle $ABC$ if $AB = 22, AC=12,$ and $BC=14$? Express your answer in simplest radical form.
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Guest
Feb 19, 2022
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185
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Coordinates
Find the area of the region satisfying the inequality x^2 + y^2 <= 4x + 6y + 18.
Guest
Feb 19, 2022
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436
5
Prime factorization of 2023 step by step
How many factors
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Guest
Feb 19, 2022
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317
3
System problem
Find a, b, c, d, e if
ab = 1
bc = 2
read more ..
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Guest
Feb 19, 2022
0
353
1
+218
Weather Problem
The temperature changed throughout a certain day at a steady rate of
- 3 ° C every hour. If it was -8° C sometime between 2 pm and 2:20
pm, then the temperature was 9° C in the time interval
(Electric Pavlov tried to answer
read more ..
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MathyGoo13
Feb 19, 2022
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235
1
Probability
If you randomly drew a number between 1 and 100,000, what is the probability that its digits sum up to a number from to ?
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Guest
Feb 19, 2022
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300
1
Coseno
cual es el seno de 25 ° 33 ′ 11 ′′
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Guest
Feb 19, 2022
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314
1
Quadratic
Find the positive difference between the solutions to the equation 6t^2 + 30 = 41t + 7t - 2t^2.
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Guest
Feb 19, 2022
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288
1
Algebra 1 Volume and Scientific Notation
The side length of a cube is 3.78 times 10 to the 3rd power ft. What is the volume of the cube?
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Guest
Feb 19, 2022
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307
1
Algebra
Enter (A,B,C) in order below if A, B, and C are the coefficients of the partial fractions expansion of
(x^2 + 2x - 3)/(x(x^2 - 1)) = A/x + B/(x - 1) + C/(x + 1).
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Guest
Feb 19, 2022
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282
1
Geometry
We have a triangle triangle ABC and a point K on BC such that AK is an altitude to triangle ABC. If AC = 10, BK = 7, and BC = 14, then what is the area of triangle ABC?
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Guest
Feb 19, 2022
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172
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Graphing
What is the horizontal asymptote as x approaches positive infinity of
sqrt(4x^2 + 9x) - sqrt(4x^2 + x)
The horizontal asymptote is in the form y = k Submit k
Guest
Feb 19, 2022
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188
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Trigomonetry
Two astrologers, one in Toronto and the other in London, are looking up at the same star in the sky. Both measure the angle of elevation from their position. The measurements are shown in the diagram. If the distance between the two people is approximately
read more ..
Guest
Feb 19, 2022
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295
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Domain
What is the smallest real number x in the domain of the function g(x) = sqrt((x - 3)^2 - (x - 18)^2)?
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Guest
Feb 19, 2022
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519
5
+2668
Interesting probability question on Mathcounts
4 numbers are randomly selected from the subset . What is the probability that the product of the 4 randomly selected integers is a multiple of 14?
I got 4/81, but I have doubts about it, and I can't settle it.
read more ..
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BuilderBoi
Feb 19, 2022
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