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246

Solve

Solve for y if 9y = 3*6*27*4*81*2

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Guest Nov 7, 2022

247

help plz

Find all real values of x such that
(x^2 + 2x + 5 - x - 4)(3x^2 - x - 4 + 2x + 8) >= 0

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Guest Nov 7, 2022

230

Help

A villager wants to measure the depth of a well using a rope. If the rope is folded in thirds and measured to the depth of the well, the rope is five feet longer; If the rope is folded in fourths, the rope is one foot longer than the depth of the well. read more ..

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Guest Nov 7, 2022

245

A parabola opening up or down has vertex

A parabola opening up or down has vertex
(0,–3)
and passes through
(–4,–5) read more ..

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Guest Nov 7, 2022

214

Find the Value of x-value of the vertex

Given f(x) x2+6x+5

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Guest Nov 7, 2022

180

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 7, 2022

210

Palindromes

Find all four-digit palindromes that are divisible by 19.

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Guest Nov 7, 2022

Nov 6, 2022

252

Algebra

Find x+1/x if
3x + 2/x - 4 = 2(x + 9) - 2x + 7x + 3x + 2/x

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Guest Nov 6, 2022

226

Algebra

The real numbers x,y and z satisfy the equations x+2y+3z=950 and 3x+2y =1450 and y + 3z = 500. What is the average of x, y and z?

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Guest Nov 6, 2022

253

Sum

Explain how to calculate 75 + 72 + 69 + 66 + ... + 21 + 18 + 15 + ... + (-69) + (-72) + (-75) + (-78) + (-81) without a calculator.

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Guest Nov 6, 2022

176

help algebra

An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/3 full. What is the total capacity of the aquarium tank, in gallons?

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Guest Nov 6, 2022

230

+96

I need help graphing this

. Carina’s water tank starts with 250 gallons of water at noon. Water is leaking out of the tank at a constant rate of 5 gallons per hour. She draws a graph where x represents the number of hours since noon and y represents the number of gallons of water read more ..

coolkidslovemath1982 Nov 6, 2022

174

help counting

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 6, 2022

206

Algebra

Find all real numbers a that satisfy
1/(a^3 + 7) = -a^3/(a^3 + 7)

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Guest Nov 6, 2022

201

Help

The radius of a quarter circle is 3 kilometers. What is the quarter circle's area?
Use 3.14 for 𝜋 and round your answer to the nearest hundredth.

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Guest Nov 6, 2022

250

+27

Help plz

What is the smallest distance between the origin and a point on the graph of ?

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Tuckerrrr Nov 6, 2022

252

+11

Special Right Triangles

Square $ABCD$ has side length $1$ unit. Points $E$ and $F$ are on sides $AB$ and $CB$, respectively, with $AE = CF$. When the square is folded along the lines $DE$ and $DF$, sides $AD$ and $CD$ coincide and lie on diagonal $BD$. The length of segment $AE$ read more ..

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Emmajnr Nov 6, 2022

215

Parabola

Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (7,7). Express your answer in the form "ax^2+bx+c".

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Guest Nov 6, 2022

211

help algebra

Find a monic quartic polynomial f(x) with rational coefficients whose roots include x = 2 - sqrt(3) and x = 1 - sqrt(5).

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Guest Nov 6, 2022

189

+187

where do I even begin???

How many ordered triples (a, b, c) where a, b, and c are from the set {1, 2, 3, ... , 17} satisfy the equation

a^3 + b^3 + c^3 + 2abc = a^2*b + a^2*c + b^2*c + a*b^2 + a*c^2 + b*c^2
read more ..

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idontknowhowtodivide Nov 6, 2022

175

plz help

Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are 100 dogs in the school.
* 62 have blue ribbons, 65 have read more ..

Guest Nov 6, 2022

215

Algebra

Let c be a real number, and consider the system of quadratic equations
y = 6x^2 - 9x + c - x^2 - x
y = 5x^2 - 3x + x^2 + 2x

For which values of c does this system have:
(a) Exactly one real solution (x,y)
(b) More than read more ..

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Guest Nov 6, 2022

215

plz help soon

please help soon thank you

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Guest Nov 6, 2022

169

help counting

In how many ways can the numbers 1 through 5 be entered once each into the five boxes below so that all the given inequalities are true?

Guest Nov 6, 2022

All Questions ⁺⁰237649 Questions

Solve

help plz

Help

A parabola opening up or down has vertex

Find the Value of x-value of the vertex

Algebra

Palindromes

Algebra

Algebra

Sum

help algebra

I need help graphing this

help counting

Algebra

Help

Help plz

Special Right Triangles

Parabola

help algebra

where do I even begin???

plz help

Algebra

plz help soon

help counting

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