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All Questions
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230590 Questions
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211
1
Seating Arrangements
There are 8 identical chairs around a circular table. In how many ways can 5 people be seated in 5 of these chairs if Richard wants to sit next to either Surya or Tamas (or both Surya and Tamas)?
(Consider two seating arrangements to be the same if one
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Guest
Aug 9, 2022
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233
3
Urgent
In how many ways can the numbers 1 through9 be placed once each in the squares below, if the numbers 1 and 2 cannot be placed in adjacent squares (either horizontally, vertically, or diagonally), and rotations and reflections of the grid are
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Guest
Aug 9, 2022
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175
1
Combination
Aery is coloring the three segments of a pinwheel with rainbow colors (red, orange, yellow, green, blue, indigo, or purple).
Aery is OK with coloring multiple segments with the same color. In how many ways can Aery color the pinwheel? (Two colorings
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Guest
Aug 9, 2022
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221
1
How many seven-digit positive integers satisfy the following conditions?
How many seven-digit positive integers satisfy the following conditions?
The integer contains the digits 1,2,3,4,5,6 and 7 exactly once each.
The numbers 1,2 and3 appear in that order within the digits of the number. (They
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Guest
Aug 9, 2022
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239
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+379
Trig
Find the value of the expression below. I used the angle sum formula and it didn't work.
Alan
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calvinbun
Aug 9, 2022
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224
2
+140
Algebraic Manipulation Question
Simplify
BuilderBoi
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sherwyo
Aug 9, 2022
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216
1
Please help with geometry
In triangle ABC, M is the midpoint of AB. Let D be the point on BC such that AD bisects angle BAC and let the perpendicular bisector of AB intersect AD at E. If AB = 44, AC = 30, and ME = 10 then find the area of triangle ACE.
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Guest
Aug 9, 2022
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244
4
Combination Pinwheel
Aery is coloring the three segments of a pinwheel with rainbow colors (red, orange, yellow, green, blue, indigo, or purple). By the way the pinwheel only has 3 segments so she colors all of them
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Guest
Aug 9, 2022
+1
266
2
+99
please help urgent
Find the sum of all integral values of c with c <= 25 for which the equation y = x^2 - 17x - c has two rational roots.
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WorldEndSymphony
Aug 9, 2022
+1
223
2
Help
From a bag of peanuts, phillip took 1/3, then joy took 1/4 of the remaining, brent took 1/2 of the remaining, and preston took 10. There were 71 peanuts remaining....how many were there to start?
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Guest
Aug 9, 2022
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203
1
Help
The first month's dues will be used to rent a film about computer-related careers, to purchase a reference book, and to buy refreshments for the next meeting. If 1/2 of the money is spent on her film, 1/4 of the remainder is used for refreshments, and $7.50
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Guest
Aug 9, 2022
Aug 8, 2022
+1
230
1
+273
3D Geometry help!
A rectangular prism has a total surface area of 56. Also, the sum of all the edges of the prism is 64. Find the length of the diagonal joining one corner of the prism to the opposite corner.
BuilderBoi
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TheEarlyMathster
Aug 8, 2022
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241
1
Combinations question
At Beast Island Pizza, every pizza comes with cheese and tomato sauce. Beast Island Pizza offers four toppings: Pepperoni, sausage, mushrooms, and onions. Customers can add any number of toppings to a pizza, but Beast Island Pizza does not let customers
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Guest
Aug 8, 2022
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1
237
1
Another Counting Problem
Every camper at Crafts Camp is required to take exactly three of the five crafts classes offered. One summer, 26 campers took knitting, 44 campers took origami, 47 campers took basket weaving,59 took woodworking, and 34 took pottery. How many
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BuilderBoi
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Guest
Aug 8, 2022
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174
1
help pls!
Suppose the point $(1,2)$ is on the graph of $y=\frac{f(x)}2$. Then there is one point which must be on the graph of $y=\frac{f^{-1}(x)}{2}$. What is the sum of that point's coordinates?
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Guest
Aug 8, 2022
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207
1
help pls
A sports conference is split into two divisions, Division A and Division B. During a season, each team in Division A plays every other team in Division A three times, each team in Division B plays every other team in Division B twice, and each team in Division
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BuilderBoi
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Guest
Aug 8, 2022
0
230
8
Counting Chairs
There are 8 dentical chairs around a circular table. In how many ways can 5 people be seated in 5 of these chairs if Richard wants to sit next to either Surya or Tamas (or both Surya and Tamas)?
(Consider two seating arrangements to be the same
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Guest
Aug 8, 2022
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206
7
Help ASAP!!!
Suppose . Given that and are consecutive integers, and b
BuilderBoi
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Guest
Aug 8, 2022
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226
3
Counting Question
10 teams containing 2 players each compete in a doubles tennis tournament. After the medal ceremony, every player shakes hands once with every other player except the other member of their team. How many handshakes occur?
So I thought it would
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Guest
Aug 8, 2022
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208
1
Let x, y, and z be nonzero real numbers, such that no two are equal, and Find all possible numeric values of xyz.
Let x, y, and z be nonzero real numbers, such that no two are equal, and
Find all possible numeric values of xyz.
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Guest
Aug 8, 2022
0
257
1
trig question
A triangle has side lengths $7,$ $8$, and $9.$ There are exactly two lines that simultaneously bisect the perimeter and area of the triangle. Let $\theta$ be the acute angle between these two lines. Find $\tan \theta.$
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Guest
Aug 8, 2022
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190
1
Help needed!! Thanks in advance for help
There are some apples and oranges in a kitchen. If 3 apples are removed, there will be 1/4 as many apples as oranges. If 3 oranges are removed, there will be equal number of apples and oranges. How many fruits are there altogether?
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Guest
Aug 8, 2022
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