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230706 Questions
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57
1
The mean temperature for the first 4 days in January was -6C. The mean temperature for the first 5 days in January was -5C. What was the
The mean temperature for the first 4 days in January was -6°C. The mean temperature for the first 5 days in January was -5°C. What was the temperature on the 5th day?
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Guest
Jun 4, 2023
0
52
2
Help please
Find . That is, find the residue for which .
Express your answer as an integer from to , inclusive.
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Guest
Jun 4, 2023
0
56
1
Help
Rote tells the little monsters to do an overhead press every second and a squat every second. (For example, they should do their first squat seconds into the drill.)
How many times during the second drill should the little monsters do an
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Guest
Jun 4, 2023
0
52
1
ratios
A bag contains yellow, green, blue, and white marbles. The ratio of yellow, green, blue, and white marbles is 1:2:3:4. If the bag contains 180 marbles, then how many blue marbles are there?
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Guest
Jun 4, 2023
Jun 3, 2023
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54
1
triangle
In triangle $ABC,$ $\angle A = p + 2q$ degrees, $\angle B = 6p - 8q$ degrees, and $\angle C = 17p + 2q$ degrees. Find $p$ (in degrees).
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Guest
Jun 3, 2023
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55
1
How do I solve this?
Factor $(ab + ac + bc)^3 - a^3 b^3 - a^3 c^3 - b^3 c^3.$
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Guest
Jun 3, 2023
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51
1
quadratic
What are the solutions to the equation, 3x^2-7x=12+2x^2-24?
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Guest
Jun 3, 2023
0
53
0
help geometry
Plz help guys
In the diagram below, SR = PQ = 20 and RT:TS = 2:3. Find UV.
Guest
Jun 3, 2023
0
49
0
fractions
An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/2 full. What is the total capacity of the aquarium tank, in gallons?
Guest
Jun 3, 2023
0
61
1
+274
Help Please!
For all positive integers n, the nth triangular number T_n is defined as T_n = 1+2+3+...+n. What is the greatest possible value of the greatest common divisor of 4T_n and n-1?
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supremecheetah
Jun 3, 2023
0
56
0
solve
Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}
Guest
Jun 3, 2023
0
53
3
altitudes
I need help with altitudes
Triangle ABC has altitudes AD, BE, and CF. If AD = 12, BE = , and CF is a positive integer, then find the largest possible value of CF.
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Guest
Jun 3, 2023
+1
64
1
+70
please help
In the diagram, four circles of radius 1 with centers P, Q, R, and S are tangent to one another and to the sides of , as shown.
Find the perimeter of triangle ABC.
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ItsFree
Jun 3, 2023
0
53
1
plz help me
I am really stuck on this
In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly in
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Guest
Jun 3, 2023
0
54
1
help plz
this might seem easy but i am easily confused.
Find the number of ways that Magnus can give out 10 identical stickers to 8 of his friends. (Not everyone has to get a sticker.)
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Guest
Jun 3, 2023
0
57
0
system
plz help with systems
For certain values of k and m, the system
3a + 2b = 2
6a + 2b = k + 3a + mb
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Guest
Jun 3, 2023
0
40
1
ratios
At a math convention, a poll is taken about cable news. It turns out that 7 out of every 12 people are bored by cable news. If there are 280 people at the convention who are bored by cable news, then how many people at the convention
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Guest
Jun 3, 2023
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50
0
trapezoid
Can anyone help with this?
Let ABCD be a trapezoid with bases AB and CD. Let P be a point on side CD, and let X, Y be the feet of the altitudes from P to AD, BC respectively. Prove that if AD = 5, BC = 7, AB = 6, CD = 12,
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Guest
Jun 3, 2023
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