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230662 Questions
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75
1
Probability
Need help with probability
My sock drawer contains two red socks, two white socks, and two blue socks. For three days in a row, I pull out two socks out of my sock drawer at random. What is the probability that I get matching
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Guest
Mar 8, 2023
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71
0
Geometry
Let ABC be a right triangle, and let H be the point on side AB so that CH is perpendicular to AB. Prove that (x + h)^2*(y + h)^2 = (a + b)^4.
Guest
Mar 8, 2023
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65
0
x 5∣x∣−y3
x 5∣x∣−y3
Guest
Mar 8, 2023
0
72
0
Stats
A list of ten distinct, positive integers has a median of 5.5. What is the smallest possible average of the ten positive integers? Explain your ansswer in complete sentences.
Guest
Mar 8, 2023
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78
0
Need help ASAP
Use the graph that shows the solution to f(x)=g(x) .
f(x)=− 3/4x + 3x + 1
g(x) = 2x
What is the solution to f(x)=g(x)?
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Guest
Mar 8, 2023
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79
0
geometry
In triangle ABC, the angle bisector of angle BAC meets AC at D. If angle BAC = 60, angle ABC = 60, and AD = 24, then find the area of triangle ABC.
Guest
Mar 8, 2023
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71
0
Louise earned $529 dollars in a two-week period. She had $85 deducted for health insurance, but got a $300 bonus. Not considering any
Louise earned $529 dollars in a two-week period. She had $85 deducted for health insurance, but got a $300 bonus. Not considering any other deductions, how much did she receive?
Guest
Mar 8, 2023
0
75
0
Sequence
Help how to do this
Cai writes down the list of positive integers, excluding squares and cubes and all perfect powers. His sequence starts
2, 3, 5, 6, 7, 10, 11, ...
What is the 100th term in Cai's list?
Guest
Mar 8, 2023
0
85
1
Counting
Help plz with counting
Find the number of ways of arranging the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 in a row so that the product of any two adjacent numbers is even or a mutliple of 3
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Guest
Mar 8, 2023
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84
1
Parametric equations
Plz help with parametric equations
The position of a particle is given by the parametric equations
x = 1 + sin pi*t - cos pi*t
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Guest
Mar 8, 2023
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70
0
(A-0.76)/(3.09-0.76)=(7-5)/(10-5)
(A-0.76)/(3.09-0.76)=(7-5)/(10-5)
Guest
Mar 8, 2023
0
69
0
Geometry
Points X, Y, and Z are on the sides QR , PR, and PQ respectively, of right triangle PQR such that PZXY is a square. If PQ=10 and PR=10, then what is the side length of the square?
Guest
Mar 8, 2023
0
92
1
please help
Starting at the same point, Tom and Juanita go biking in opposite directions. If Tom rides at a speed of 16 mph, and Juanita rides at a speed of 18 mph, how far apart will they be in 2 hours?
Can i please have an explanation?
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Guest
Mar 8, 2023
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68
0
Counting
Plz help
A standard six-sided die is rolled 7 times. You are told that among the rolls, there was one 1, two 2's, and three 4's. How many possible sequences of rolls could there have been? (For example, 5, 1, 2,
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Guest
Mar 8, 2023
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66
0
geometry
In tetrahedron ABCO, angle AOB = angle AOC = angle BOC = 90^\circ. A cube is inscribed in the tetrahedron so that one of its vertices is at O, and the opposite vertex lies on face ABC. Let OA = 1, OB = 1, OC = 1. Show that the
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Guest
Mar 8, 2023
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69
0
Counting
In how many ways can three points be selected from the grid below so that they form a right isosceles triangle?
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Guest
Mar 8, 2023
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64
0
Geometry
Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on AB with a vertex C next to A Find angle BCD in degrees.
Guest
Mar 8, 2023
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