All Questions

749

+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

6299

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 read more ..

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Guest Oct 16, 2019

909

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 read more ..

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Guest Oct 16, 2019

1460

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 read more ..

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Guest Oct 16, 2019

844

+220

solve the inequality

solve for x

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Oofrence Oct 16, 2019

3777

+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 read more ..

mathleteig ●

Oofrence Oct 16, 2019

888

+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 read more ..

milkcloud ●●

Oofrence Oct 16, 2019

867

+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% read more ..

Oofrence ●

macabresubwoofer Oct 16, 2019

905

+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 read more ..

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macabresubwoofer Oct 16, 2019

2723

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 read more ..

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Guest Oct 16, 2019

942

89809809808

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Guest Oct 16, 2019

822

HELP F/8 = 2

f/8 = 2 And How to do It PLEASE

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Guest Oct 16, 2019

819

+1995

confused

thank you for your help

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jjennylove Oct 16, 2019

827

1 physics question help

https://prnt.sc/pk84dj

any help would be appreciated.
read more ..

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Guest Oct 16, 2019

603

what is the tiananmen square protests?

what is the tiananmen square protests?

read more ..

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Guest Oct 16, 2019

1245

+220

help again

Let a, b, and c, be nonzero real numbers such that . Compute the value of

Rom ●

Oofrence Oct 16, 2019

961

+220

help plz

Find all nonnegative numbers x such that

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Oofrence Oct 16, 2019

935

+220

help

solve the system of equations

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Oofrence Oct 16, 2019

611

help

7 1/5 to the 5th power

off-topic

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Guest Oct 16, 2019

883

+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 read more ..

Oofrence ●

macabresubwoofer Oct 16, 2019

3135

+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 read more ..

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macabresubwoofer Oct 16, 2019

997

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

873

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.

read more ..

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Guest Oct 16, 2019

490

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 read more ..

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Guest Oct 16, 2019

All Questions ⁺⁰237697 Questions

Function Equations - Gauss Contest

Trig

Check

equilateral triangle

solve the inequality

help please

help

What is the percent increase?

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.

HELP PLEASE

89809809808

HELP F/8 = 2

confused

1 physics question help

what is the tiananmen square protests?

help again

help plz

help

help

Which of the following expressions is a correct way to write this, if the radius is x?

Translate into a mathematical expression: the product of 4 and n.

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

Very needed help please!!!

help plzzzzz fast

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