All Questions ⁺⁰236397 Questions

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Help ASAP

Find the value of n if (1 / 27^-4 * 9)= 81^n

Guest May 7, 2022

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271

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help

Ben has some apples, pears and oranges. 2/5 of the fruits are apples and the ratio of the number of pears to the number of oranges is 2:7. What is the number of apples to the number of pears to the number of oranges?

Guest May 7, 2022

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265

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Algebra

Let u and v be the solutions to 3x^2 + 5x + 11 = 0. FInd u/v + v/u.

Guest May 7, 2022

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575

4

Determine the integer closest to $(1+\sqrt 2)^8$

I need help determining which integer is closest to $(1+\sqrt 2)^8$
Thanks!

Guest May 7, 2022

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285

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Circle

Let AB and CD be chords of a circle, that meet at point Q inside the circle. If AQ = 6, BQ = 12, and CD = 30, then find the minimum length of CQ.

Guest May 7, 2022

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176

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help plz

Jeri finds a pile of money with at least 200. If she puts 80 of the pile in her left pocket, gives away of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away 200 of the original read more ..

Guest May 7, 2022

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295

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Modular Arithmetic

Guest May 7, 2022

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263

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Quadratic

The quadratic x^2 + bx + 16 = 0 has a double root. Find all possible values of b.

Guest May 7, 2022

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309

2

a bit of help? i have no idea where to begin

Marcus has two numbers, and . When he divides by he gets a remainder of . When he divides by he gets a remainder of . What remainder does he get when he divides by ?

Guest May 7, 2022

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290

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help please

A school buys some outdoor benches. They spend $385 in total for 5 benches. The company they use offers a discount scheme. The company they use offers a discount scheme. The first bench is full price. The nest two benches get a 25% discount on the full read more ..

Guest May 7, 2022

May 6, 2022

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255

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Congruences

If a, b, c are positive integers less than 13 such that
2ab + bc + ca = 0 (mod 13)
ab + 2bc + ca = 2abc (mod 13)
ab + bc + 2ca = 3abc (mod 13) read more ..

Guest May 6, 2022

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284

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+13

help

Part A. Let $f(x) = x^4-3x^2 + 2$ and $g(x) = 2x^4 - 6x^2 + 2x -1$. Let $a$ be a constant. What is the largest possible degree of $f(x) + a\cdot g(x)$?
Part B. Let $f(x) = x^4-3x^2 + 2$ and $g(x) = 2x^4 - 6x^2 + 2x -1$. Let $b$ be a constant. What is read more ..

JJkitty787 May 6, 2022

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183

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Algebra

Given that x satisfies x^2 - 5x + 1 = 0, find the value of x^4 + 1/x^4.

Guest May 6, 2022

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274

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help

There is 1/2 of a pizza left to split between 4 of your friends. If you split the pizza equally, what fraction of the pizza will each of your friends get?

Guest May 6, 2022

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287

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HELP

HELP
The sum of 4 digit "numbers" FOUR and FIVE equal NINE, where each letter is a digit.
What is the greatest value of NINE

Guest May 6, 2022

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175

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Algebra

If we write sqrt(2) + sqrt(3) + 1/(2*sqrt(2) + 3*sqrt(3)) in the form (a*sqrt(2) + b*sqrt(3))/c such that a, b, and c are positive integers and c is as small as possible, then what is a + b + c?

Guest May 6, 2022

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270

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Algebra

The equation y = -16t^2 + 28t + 180 describes the height (in feet) of a ball tossed up in the air at 28 feet per second from a height of 180 feet from the ground. In how many seconds will the ball hit the ground?

Guest May 6, 2022

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184

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Quadratic

The quadratic x^2 + 3/2*x - 1 has the following unexpected property: the roots, which are 1/2 and -2, are one less than the final two coefficients. Now find a quadratic with leading term x^2 such that the final two coefficients are both read more ..

Guest May 6, 2022

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265

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Number Theory

Let n be a positive integer. If a = 414n + 12 , what is the remainder when a is divided by 9?

Guest May 6, 2022

+1

325

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+136

The rectangles in the graph below illustrate a left endpoint Riemann sum for f(x) = x^2/12 on the interval [2,6].

The rectangles in the graph below illustrate a left endpoint Riemann sum for on the interval . The value of this Riemann sum is (?), and this Riemann sum is an underestimate of the area of the region enclosed by , the read more ..

THESHADOW May 6, 2022

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182

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sequence

The sequence 54675, 18225, 6075, 2025, 675, ... is made by repeatedly dividing by 3. How many integers are in this sequence?

Guest May 6, 2022

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241

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precalc

In triangle LMN, we have angle M = 90, MN = 2, and LM = sqrt(19). What is sin L?

Guest May 6, 2022

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193

0

I have a Question Can someone plz hlp me?but first....D:

I would like to acknowledge the thread b4 mine, that is very true, we need to not delete other people's things, because i saw this guests thread entitles "what?!" and they made a good point, so let's not act this way be kind to others.
read more ..

Guest May 6, 2022

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270

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Floor Function

Let f(x) = x + floor(x) for x >= 0.

(a) Find all x >= 0 such that f(x) = 1.
(b) Find all x >= 0 such that f(x) = 3. read more ..

Guest May 6, 2022

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