All Questions ⁺⁰237739 Questions

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166

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Please help me!!!

Как дела?

Guest Jan 13, 2023

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191

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Permutations

Find the number of ways of arranging the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 in a row so that the product of any two adjacent numbers is even or a mutliple of 3

Guest Jan 13, 2023

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201

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help with counting

Sam wants to color the three sides of an equilateral triangle. He has two different colors to choose from. In how many different ways can Sam color the sides of the triangle? (Two colorings are considered the same if one coloring can be read more ..

Guest Jan 13, 2023

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185

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Probability

The Boomtown Bears are playing against the Tipton Toros in a baseball tournament. The winner of the tournament is the first team that wins three games. The Bears have a probability of 1/5 of winning each game. Find the probability that the Bears win read more ..

Guest Jan 13, 2023

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221

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Coefficient

Find the coefficient of y^4 in the expansion of (2y - 5 + y^2)^6.

Guest Jan 13, 2023

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191

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Graphing

The graph of y = f(x) is shown below.

For each point (a,b) that is on the graph of y = f(x), the point ((a - 7)/2, (3b + 1)/4) is plotted, forming the graph of another function y = g(x). As an example, the point read more ..

Guest Jan 13, 2023

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212

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help with digits

Find the number of six-digit numbers, where the sum of the digits is divisible by 8.

Guest Jan 13, 2023

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172

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Complex numbers

Find all the solutions to z^4 = -4 - 5z^2 in complex numbers.
Express all the solutions in the form a + bi, where a and b are real numbers.

Guest Jan 13, 2023

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226

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help please. Thank you

When the diameter of a pizza increases by 2 inches, the area increases by . What was the area, in square inches, of the original pizza? Express your answer in terms of .

Guest Jan 13, 2023

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167

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help counting

(a) Find the number of ways that Magnus can give out 20 identical stickers to 5 of his friends. (Not everyone has to get a sticker.)

(b) Find the number of ways that Magnus can give out 20 identical stickers to 5 of read more ..

Guest Jan 13, 2023

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209

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Inequality

(a) Prove that if a, b, c, d, e, f are nonnegative real numbers, then (a^2 + b^2)^2 (c^4 + d^4)(e^4 + f^4) >= 32abcdef.
(b) Prove that if a, b, c, d, e, f are nonnegative real numbers, then (a^2 + b^2)(c^2 + d^2)(e^2 + read more ..

Guest Jan 13, 2023

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175

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Algebra

Arrange the following numbers in increasing order (smallest first, biggest last):

A = 2*1/2*4*1/6
B = 12*128 read more ..

Guest Jan 13, 2023

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175

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precalc

In the diagram below, what are AC and BC?

Guest Jan 13, 2023

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177

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Factoring

We are looking to factor 23x^2 + kx - 5 + x^2 - 3. Some values of k allow us to factor it as a product of linear binomials with integer coefficients. what are all such values of k?

Guest Jan 13, 2023

Jan 12, 2023

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168

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Constant term

Find the constant term in the expansion of (2z - 1/(z*sqrt(z)) + 1)^4.

Guest Jan 12, 2023

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229

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system

Let a and b be real numbers such that a + b = 4 and a^4 + b^4 = 16.
(a) Find all possible values of ab
(b) Find all possible values of a + b
(c) Find all possible values of a and b

Guest Jan 12, 2023

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174

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Function

Let F(x) be the real-valued function defined for all real x except for x = 1 and x = 2 and satisfying the functional equation
F(x) + F((2x - 3)/x) = x.
Find the function F(x) satisfying these conditions. Write F(x) as read more ..

Guest Jan 12, 2023

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195

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what two numbers add to make -7 and multiply to be 20

what two numbers add to make -7 and multiply to be 20

Guest Jan 12, 2023

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170

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Functions

The functions f and h are defined as follows:
f(x) = (x + 5)/(x - 7) and h(x) = (x + 5)(x - 7).

Explain why the functions f and h are not the same function. read more ..

Guest Jan 12, 2023

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187

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need help

A magician makes potions by combining maple syrup from a magical maple tree with ordinary water. The magician starts with a large supply of two potions: a red potion, which is 50% magical syrup by volume (and the rest is just water), and blue potion, which read more ..

Guest Jan 12, 2023

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170

0

Functions

The functions f and h are defined as follows:
f(x) = (x + 5)/(x - 7) and h(x) = (x + 5)(x - 7).

Explain why the functions f and h are not the same function. read more ..

Guest Jan 12, 2023

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172

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need help

Each unit square of the 4 x 4 grid below is to be filled in with the number 1, 2, 3 or 4 so that
* each row contains the numbers 1, 2, 3, and 4 in some order
* each column contains the numbers 1, 2, 3 and 4 in some order
* each 2 read more ..

Guest Jan 12, 2023

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213

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help probability

A standard six-sided die is rolled twice. What is the probability that the product of the rolls is 3 or 12?

Guest Jan 12, 2023

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167

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binomials

Fill in the blanks to make the equation true (Each blank should contain a positive integer.)

\binom{n}{k} = \binom{n - 2}{k} + \binom{n - 2}{k - 1} + \binom{n - 1}{k} + \binom{n - 1}{k - 1} + \binom{n}{k - 1} + \binom{n}{k + read more ..

Guest Jan 12, 2023

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160

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math

The function f(x)=x√ is translated 4 units left to form function g(x).
What is the equation of g(x)?
Enter your answer in the box.
g(x) = read more ..

Guest Jan 12, 2023

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