All Questions ⁺⁰237644 Questions

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178

1

quadratic

Let u and v be the solutions to 3x^2 + 5x + 7 = 2x^2 - 4x - 11. Find u/v + v/u.

Guest Nov 14, 2022

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172

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Algebra

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 Nov 14, 2022

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171

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help quadratic

Give an example of a quadratic function that has zeroes at x=2 and x=4, and that takes the value 8 when x=-3. Enter your answer in the expanded form "ax^2 + bx + c", where a,b,c are replaced by appropriate numbers.

Guest Nov 14, 2022

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179

0

need help

In a row of five squares, each square is to be colored either red, yellow, or blue, so that no two consecutive squares have the same color, and at lest three of the squares are red. How many ways are there to color the five squares?

Guest Nov 14, 2022

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188

0

quadratic

Find the largest integer k such that the equation
5x^2 - kx + 8 = 4x^2
has no real solutions.

Guest Nov 14, 2022

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185

0

question

π=|χ-1|-3|5-χ|

Guest Nov 14, 2022

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186

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counting

A certain club has 50 people, and 10 members are running for president. Each club member either votes for one of the 10 candidates, or can abstain from voting. How many different possible vote totals are there?

Guest Nov 14, 2022

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229

1

Algebra

For a real number r, let s(r) denote the set of real numbers that can be expressed in the form
a1 r + a2 r^2 + a3 r^3 + ...
with an infinite number of terms, where ai in {0,1}
(a) Show that 1/2 an element in S(1/4)
(b) Show that 1/5 read more ..

Guest Nov 14, 2022

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225

1

need help

Find the number of positive integers that satisfy the following conditions:
* Each digit is a 1 or a 2 or a 3
* The sum of the digits is 10

Guest Nov 14, 2022

0

232

5

+660

Please helpppp!

Your backpack contains chocolate bars, which you are going to divide between your best friend and yourself. You think you are a nice person, so you will give your best friend more than zero chocolate bars. However, you have been craving chocolate read more ..

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Keihaku Nov 14, 2022

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283

3

geometry

In cyclic quadrilateral

Find the largest angle in quadrilateral in degrees.

Guest Nov 14, 2022

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194

0

ASHLI ES MARICA

ASHLI ES MARICA

Guest Nov 14, 2022

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206

0

WAKANDA FOREVER

Guest Nov 14, 2022

0

226

1

help plz

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

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

Guest Nov 14, 2022

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231

2

Number Theory

N is a positive integer. When N is divided by 3, the remainder is 2. When N is divided by 4, the remainder is 2. What is the remainder when N is divided by 12?

Guest Nov 14, 2022

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183

0

Algebra

Find all solutions to the system
a + b = 14
a^3 + b^3 = 812 + a^2 + b^2

Guest Nov 14, 2022

0

179

0

Function

Let
f(x) = -x + 3 if x <= 1
f(x) = 2 - x if x > 1
read more ..

Guest Nov 14, 2022

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180

0

Range

The range of the function g(x) = 2/(2 + 4x + 3x^2) can be written as an interval (a,b]. What is a+b?

Guest Nov 14, 2022

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183

1

Maths

Paula bought boxes of thank you cards and get well cards. The thank you cards came in boxes of 5 and the get well cards came in boxes of 4. Paula bought 9 boxes and got a total of 41 cards. How many boxes of each type of card did she buy?
read more ..

Guest Nov 14, 2022

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172

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domain

What real values of x are not in the domain of
f(x) = 1/(x^2+3x-4+x^2+9x+20+x^2-8x+7)

Guest Nov 14, 2022

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184

0

Coefficient

What is the coefficient of x^3 in this expression?

(x^4 + x^3 + x^2 + x + 1)^4*(x^4 + x^3 + x^2 + x + 1)^4?

Guest Nov 14, 2022

0

224

1

need counting

a) Grogg is ordering pizza from a local pizzeria, which offers ten different toppings: pepperoni, mushrooms, sausage, onion, olives, green peppers, pineapple, spinach, garlic, and hummus (an favorite). For any pizza, any combination of read more ..

Guest Nov 14, 2022

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203

1

plz help

Let ABC be a triangle, and let its angle bisectors be AD, BE, and CF, which intersect at I. If DI = 3, BD = 4, and BI = 8, then find the area of triangle ABC.

Guest Nov 14, 2022

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