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Post New Question
All Questions
+0
230605 Questions
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652
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+143
Function Equations - Gauss Contest
Let S be the set of positive real numbers. Let be a function such that for all x,y, and 0.
Let n be the number of possible values of , and let be the sum of all possible values of f(2). Find .
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AoPS.Morrisville
Oct 16, 2019
0
6264
5
Trig
1. The angle of elevation from the top of one building to another is 26 degrees. If the shorter building is 400 feet tall and buildings are 1500 feet apart, how tall is the other building?
2. A 200-foot-supporting cable is tied to
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Guest
Oct 16, 2019
0
818
2
Check
I need help with the second one and I tried the others but I'm not sure if the answers I got are correct. I need to use trigonometry and I have a difficult time with it. Please help
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Guest
Oct 16, 2019
+1
1409
2
equilateral triangle
An equilateral triangle has sides 8 units long. An equilateral triangle with sides 4 units long is cut off at the top, leaving an isosceles trapezoid. What is the ratio of the area of the smaller triangle to the area of the trapezoid? Express your answer
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Guest
Oct 16, 2019
+1
765
1
+220
solve the inequality
solve for x
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Oofrence
Oct 16, 2019
+1
3754
1
+220
help please
Pamela drove her car 99 kilometers and used 9 liters of fuel. She wants to know how many kilometers (k)(k)left parenthesis, k, right parenthesisshe can drive with 12 liters of fuel. She assumes the relationship between kilometers and
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mathleteig
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Oofrence
Oct 16, 2019
+1
849
2
+220
help
Floyd is an aspiring music artist. He has a record contract that pays him a base rate of $200 a month and an additional $12 for each album that he sells. Last month he earned a total of $644.
Write an equation to determine the number of
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milkcloud
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Oofrence
Oct 16, 2019
0
773
1
+1982
What is the percent increase?
Suppose a certain item used to sell for 30 cents per pound, and you see that it’s been marked up to 45 cents per pound. What is the percent increase?
A. 10%
B. 25%
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Oofrence
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macabresubwoofer
Oct 16, 2019
0
811
2
+1982
Your family trip plans to travel to Oxford and Orlando. It is 31 miles from your home to Oxford, and 936 miles from Oxford to Orlando.
Your family trip plans to travel to Oxford and Orlando. It is 31 miles from your home to Oxford, and 936 miles from Oxford to Orlando. Use front end estimation to calculate the number of miles traveled for your family trip.
A. 1,000
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macabresubwoofer
Oct 16, 2019
0
2653
7
HELP PLEASE
An opaque bag contains 5 green marbles, 3 blue marbles, and 2 red marbles. If two consecutive marbles are drawn without replacement what is the probability that the first one will be green and the second one will be red?
0.51
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Guest
Oct 16, 2019
0
845
3
89809809808
89809809808
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Guest
Oct 16, 2019
0
722
1
HELP F/8 = 2
f/8 = 2 And How to do It PLEASE
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Guest
Oct 16, 2019
0
734
1
+1993
confused
thank you for your help
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jjennylove
Oct 16, 2019
0
730
5
1 physics question help
https://prnt.sc/pk84dj
any help would be appreciated.
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Guest
Oct 16, 2019
0
504
1
what is the tiananmen square protests?
what is the tiananmen square protests?
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Guest
Oct 16, 2019
+1
1172
1
+220
help again
Let a, b, and c, be nonzero real numbers such that . Compute the value of
Rom
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Oofrence
Oct 16, 2019
+1
882
3
+220
help plz
Find all nonnegative numbers x such that
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Oofrence
Oct 16, 2019
+1
855
2
+220
help
solve the system of equations
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Oofrence
Oct 16, 2019
0
516
2
help
7 1/5 to the 5th power
off-topic
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Guest
Oct 16, 2019
0
796
1
+1982
Which of the following expressions is a correct way to write this, if the radius is x?
The area of a circle is approximately 3.14 times the radius squared. Which of the following expressions is a correct way to write this, if the radius is x?
A. (3.14x)^2
B. 2(3.14)x
C. 3.14x^2
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Oofrence
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macabresubwoofer
Oct 16, 2019
0
3097
1
+1982
Translate into a mathematical expression: the product of 4 and n.
Translate into a mathematical expression: the product of 4 and n.
A. 4/n
B. 4 + n
C. 4 – n
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macabresubwoofer
Oct 16, 2019
0
915
1
Both $x$ and $y$ are positive real numbers, and the point $(x,y)$ lies on or above both of the lines having equations $2x+5y = 10$ and $3x+4
Both x and y are positive real numbers, and the point (x,y) lies on or above both of the lines having equations 2x+5y=10 and 3x+4y=12. What is the least possible value of 8x+13y?
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Guest
Oct 16, 2019
0
773
2
Very needed help please!!!
I’m posting this question for the second time please if anyone has an idea on how to solve it please do!
Thanks.
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Guest
Oct 16, 2019
0
403
1
help plzzzzz fast
A plane averaged 360 mph on a trip going east from Capital City to Metropolis, but only 330 mph on the return trip from Metropolis back to Capital City. The total flying time in both directions was t=8.5 hrs. Let k be the proportion of the total flight
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Guest
Oct 16, 2019
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