All Questions ⁺⁰237691 Questions

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369

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Help

If tan A = 0.9681 , then what is the value of angle A to the nearest degree ?

Guest May 5, 2022

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224

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quadratic

Find all integers for a for which the polynomial ax^2-8x+3=5x-11 has an integer root.

Guest May 5, 2022

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278

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Counting

How many 4-digit numbers are there where any two consecutive digits have different parity?

Guest May 5, 2022

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351

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Algebra

Five times a number is divided by 7 more than the original number. If the result is , then what was the original number?

Guest May 5, 2022

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302

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Help me

Box A contained 563 eggs and B contained 187 eggs. After some eggs were transferred from Box A to Box B, Box A had 48 More eggs than Box B. How many eggs were in here in each box in the end?

Guest May 5, 2022

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362

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Trig question

In triangle XYZ, we have angle X = 90 and tan Z = . What is cos Z?

Guest May 5, 2022

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356

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Counting problem

John counts up from 1 to 13, and then immediately counts down again to 1, and then back up to 13, and so on, alternately counting up and down. What is the 1000th integer in his list?

Guest May 5, 2022

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218

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coordinates

What is an equation of the line that passes through the point (-5,7) and is parallel to the line y = 5x + 7?

Guest May 5, 2022

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219

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Algebra

If (2x + 5)(x + 3) = 14, find the sum of the possible values of x.

Guest May 5, 2022

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205

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Algebra

The quadratic 2x^2 - 3x + 27 = -4 has two imaginary roots. What is the sum of the squares of these roots? Express your answer as a decimal rounded to the nearest hundredth.

Guest May 5, 2022

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220

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Range

Find the largest value of c such that is in the range of f(x) = x^2 - 8x + c.

Guest May 5, 2022

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353

2

+32

pls help

Ben chooses a random integer between and inclusive, twice (and he may choose the same integer both times). What is the probability that at least one of the numbers Ben chooses is a multiple of ?

catswift May 5, 2022

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224

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coefficient

What is the coefficient of x^2 when -5x^3 - 5x^2 - 7x + 1 is multiplied by -x^2 + 6x + 1 and the like terms are combined?

Guest May 5, 2022

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317

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System

Suppose a, b, c, and d are real numbers which satisfy the system of equations
a + 2b + 3c + 4d = 10
4a + b + 2c + 3d = 4
3a + 4b + c + 2d = -10 read more ..

Guest May 5, 2022

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225

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Algebra

If sqrt(6y + 2)/sqrt(2y + 2) = 5/2, solve for y. Express your answer in simplest fractional form.

Guest May 5, 2022

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216

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Binomial Theorem

For some real number a and some positive integer n, the first few terms in the expansion of (1 + ax)^n are 1 - 20x + 180x^2 + cx^3+...
Find c.

Guest May 5, 2022

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361

1

Find all values of $x$ so that $\arccos x > \arcsin x.$

Find all values of $x$ so that $\arccos x > \arcsin x.$

help plzzzzz

Guest May 5, 2022

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209

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Quadratic

There are two positive integers for which the equation

has rational solutions. What is the product of those two values of c?

Guest May 5, 2022

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219

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Geometry

The three heights of a triangle are 1/3, 1/4, and . What is its area?

Guest May 5, 2022

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199

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Polynomials

Let f(x) be a polynomial such that f(0)=4 f(1)=5 and f(2)=12. Find the remainder when f(x) is divided by x(x-1)(x-2)

Guest May 5, 2022

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200

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Quadratic

Find the sum of the squares of the solutions to 2x^2 + 4x - 1 = 6.

Guest May 5, 2022

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273

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helpity welpity please

For some positive integer n the expansion of (1+x)^n has three consecutive coefficients a,b,c that satisfy a:b:c = 1:7:35 What must n be?

heeeeelp

Guest May 5, 2022

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361

3

Simplify

SImplify $$\dfrac{7x^{2014}}{4x^{2013}}\cdot{\dfrac{2x^{2012}}{2x^{2007}}}\cdot\dfrac{27x^{2006}}{x^{2002}}\cdot\dfrac{6x^{2008}}{8x^{2010}}.$$

Guest May 5, 2022

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220

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value of this ratio?

Image says it all

Guest May 5, 2022

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331

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trig

Guest May 5, 2022

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