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238019 Questions
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+1014
help
Two tangent circles are shown below. One common external tangent is the x-axis. The equation of the other external common tangent has the form y = mx + b. What is m?
gnistory
Apr 20, 2026
0
1
0
+1014
help
Let theta be an acute angle such that sin 2 theta = sin 3 theta + sin 4 theta. What is the measure of theta in degrees?
gnistory
Apr 20, 2026
0
1
1
+1309
Help
Let alpha be an angle in the third quadrant such that tan alpha = 4. Find cot alpha.
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AnswerscorrectIy
Apr 20, 2026
0
1
1
+1309
help
Triangle PQR is equilateral. Find AQ.
PQR has side length 4, and A is on side PR so that AP = 1.
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AnswerscorrectIy
Apr 20, 2026
0
1
1
+64
Help
In triangle ABC, \sin A = \frac{4}{5} and \tan C = 1. Find \cos B.
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NotThatSmartTwo
Apr 20, 2026
0
2
1
+64
help me
ABCDEFGH is a regular octagon. Find the ratio of the area of the red triangle to the area of the blue square.
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NotThatSmartTwo
Apr 20, 2026
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1
1
+1044
Geometry
A spherical orange is cut into 8 congruent slices. If the volume of the orange was 8, then what is the volume of each slice?
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Hi6942O
Apr 20, 2026
0
1
1
+1044
Geometry
In unit square ABCD, E and F are the midpoints of \overline{AD} and \overline{AB}, respectively. The square is then folded along the edges of triangle CEF, so that triangles AEF, CDE, BCF, cover triangle CEF.
read more ..
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Hi6942O
Apr 20, 2026
0
1
1
+890
Geometry
Triangular pyramid BCDG is cut from cube ABCDEFGH. The triangular pyramid is then placed on a surface with triangle BCD as the base. Given that the side length of the cube is $12,$ find the height of the pyramid.
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cooIcooIcooI17
Apr 20, 2026
0
1
1
+890
Geometry
In the diagram, a semicircle is centered at $O,$ and $\overline{AB}$ is tangent to the semicircle at $B.$ Find $\angle BCD,$ in degrees.
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cooIcooIcooI17
Apr 20, 2026
0
1
1
+21
Help
3 kinds of candies: fruit, milk and chocolate were placed into 3 boxes. The number of fruit candies is more than the number of chocolate candies and the number of milk candies is half of fruit candies. There are 390 candies in total. Given that the
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Jyrgerhry
Apr 20, 2026
0
1
1
+21
Math
Étienne and Hans were collecting vintage stamps. Étienne gave 1/4 of his stamps to Hans. Hans then gave 1/3 of his total stamps to Étienne. After these exchanges, Étienne had 4 times as many stamps as Hans. If the number of stamps Étienne gave
read more ..
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Jyrgerhry
Apr 20, 2026
Apr 18, 2026
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1
2
+312
Algebra
Fill in the blanks to make an equation that is linear in disguise, and has a solution.
sqrt(2x - 3) + __x + ___ = ___x - ___ + ____
8 9 10 11 12 13 14 15 16 17 18 19 20
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AUnVerifedTaxPayer
Apr 18, 2026
0
1
1
+312
Algebra
Fill in the blank to make an equation that is linear in disguise, and has a solution.
sqrt(2x - 3) + __x + ___ = ___x - ___ + ____
8 9 10 11 12 13 14 15 16 17 18 19 20
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AUnVerifedTaxPayer
Apr 18, 2026
Apr 17, 2026
0
1
1
+312
Algebra
Fill in the blanks to make the equation true.
___ + ___ = ___
x^4 - 2x^3 + 3x
x^4 + 3x + 1
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AUnVerifedTaxPayer
Apr 17, 2026
0
1
1
+312
Geometry
The large square below is made-up of seven identical rectangles and three identical squares. The height of each of the seven rectangles is h. What is the area of each of the seven rectangles? (Give your answer in terms of h.)
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AUnVerifedTaxPayer
Apr 17, 2026
Apr 16, 2026
0
1
1
+1044
Algebra
Fill in the blanks to make the equation true.
(___)^{-1/3} = (___)^{-1/2}
-72 -45 -9 -4 -18 -27 -64 -16 -25
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Hi6942O
Apr 16, 2026
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