All Questions ⁺⁰188174 Questions

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70

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Let a and b be distinct complex numbers on the unit circle. Find the maximum possible value of .

Let a and b be distinct complex numbers on the unit circle. Find the maximum possible value of .

Thank you!

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Guest Jan 23, 2021

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41

1

quadratic

Krzysztof solved the quadratic equation 11x^2+44x-99=0 by completing the square. In the process, he came up with the equivalent equation (x+r)^2 = s,where r and s are constants.What is r+s.

Guest Jan 23, 2021

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35

1

please help

A sweater costs s dollars before tax. If tax is 8.5 percent, than the cost after tax is what number times s dollars?

Guest Jan 23, 2021

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30

1

quadratic

The amount of money a certain company makes can be represented by the graph y = x^2 - 18x - 33 , where x is the quantity produced. What is the smallest quantity at which the company can produce to break even or make a profit?

Guest Jan 23, 2021

0

63

3

+6

Please help.

Line $m$ is parallel to line $n$ and the measure of $\angle{1}$ is 1/8 the measure of $\angle{2}$. What is the degree measure of $\angle{5}$?

MorganFan Jan 23, 2021

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61

1

function

The function f is defined by f(n) = f(n − 1) + f(n − 2). It is also true that f(1) = 3 and f(2) = 10. What is the value of f(6)

Guest Jan 23, 2021

0

32

1

help counting

The product of the digits of 3214 is 24. How many distinct four-digit positive integers are such that the product of their digits equals 24?

Guest Jan 23, 2021

0

47

2

+14

Help Me With This Please

If $f(x)=2/x+1$ , then what is the value of $f^-1$(1/5)$

I would like the answer soon if you can read more ..

Koko123 Jan 23, 2021

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35

0

counting

A pet store has 15 puppies, 6 kittens, and 8 hamsters. Alice, Bob, and Charlie each want to buy a pet. For variety, they each want a different kind of pet. Alice does not like hamsters. How many ways can Alice, Bob, and Charlie buy pets and leave read more ..

Guest Jan 23, 2021

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44

1

help right now

Find all solutions to the equation $6x^2 - 31x + 40 = 0.$ If you find more than one, then list the values separated by commas. If the solutions are not real, then they should be written in $a + bi$ form.

Guest Jan 23, 2021

0

46

1

I pick two whole numbers $x$ and $y$ between $1$ and $10$ inclusive (not necessarily distinct). My friend picks two numbers $x -4$ and $2y-1

I pick two whole numbers $x$ and $y$ between $1$ and $10$ inclusive (not necessarily distinct). My friend picks two numbers $x -4$ and $2y-1$. If the product of my friend's numbers is one greater than the product of my numbers, then what is the product read more ..

Guest Jan 23, 2021

0

65

1

The value of $y$ varies inversely as $\sqrt x$ and when $x=24$, $y=15$. What is $x$ when $y=3$?

The value of $y$ varies inversely as $\sqrt x$ and when $x=24$, $y=15$. What is $x$ when $y=3$?

Guest Jan 23, 2021

0

74

1

A group of juniors and seniors took a test. Exactly $\frac{3}{5}$ of the juniors and exactly $\frac{6}{7}$ of the seniors passed the test. I

A group of juniors and seniors took a test. Exactly $\frac{3}{5}$ of the juniors and exactly $\frac{6}{7}$ of the seniors passed the test. If the number of juniors who passed the test was $\frac{2}{3}$ of the number of seniors who passed the test, what read more ..

Guest Jan 23, 2021

0

45

1

help people

Find all solutions to the equation $x^2 - 7x = 30$.
If you find more than one, then list the values separated by commas. If the solutions are not real, then they should be written in $a + bi$ form.

Guest Jan 23, 2021

0

39

2

factors

How many natural-number factors does N have if N=2^4*3^8*5^2*7^2?

Guest Jan 23, 2021

0

37

1

algebra

The expression 6y^2 - y - 15 can be rewritten as A(y - B)(y - C). Find A + B + C.

Guest Jan 23, 2021

0

43

1

Help

Allie and Ezra are sitting on flagpoles, throwing beanbags at each other. Allie's flagpole is 35 feet tall. Ezra's flagpole is 27 feet tall. The flagpoles stand 15 feet apart. How far, in feet, does Ezra have to throw a beanbag to reach Allie? read more ..

Guest Jan 23, 2021

0

36

1

algebra

Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 12 meters tall and 250 meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint read more ..

Guest Jan 23, 2021

0

51

3

Determine the value of ? in the figure below.

Determine the value of ? in the figure below.

Guest Jan 23, 2021

0

36

1

prime factors

How many positive divisors of 30 are prime?

Guest Jan 23, 2021

0

41

1

range

Given that f(x) = pi^x + x^pi + 2^x + x^2, what is the range of f(x) on the interval [0, ∞)?
Give your answer in interval notation.

Guest Jan 23, 2021

0

68

1

+33

Binomial Coefficients

guest.exe Jan 23, 2021

0

37

1

modular inverse

what is the modular inverse of 11 + 2 , modulo 1000?
Express your answer as an integer from 0 to 999 , inclusive.

Guest Jan 23, 2021

0

43

1

congruent

What is the unique three-digit positive integer satisfying 100x = 11 (mod 997)

Guest Jan 23, 2021

0

48

1

number theory

What is the smallest whole number that has a remainder of 1 when divided by 4, a remainder of 2 when divided by 3, and a remainder of 2 when divided by 5?

Guest Jan 23, 2021

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