All Questions ⁺⁰226289 Questions

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254

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Algebra

Simplify sqrt{28x} * sqrt{15x} * sqrt{27x}. Express your answer in simplest radical form in terms of x.

Guest Dec 14, 2021

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276

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Geometry

The interior angles of a quadrilateral form an arithmetic sequence. If the measure of the largest angle is 126 degrees, what is the measure of the second largest angle, in degrees?

Guest Dec 14, 2021

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256

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+14

Algebra

if x-y=6 and x^2+y^2=24, find x^3-y^3

SLAYER32beast Dec 14, 2021

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311

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what was it ost?

The height of the great Pyramid of Giza in Egypt originally was 150 m. and its square base was 230 m in an edge. It is said to have cost Php 50 for each square meters of lateral surface. What was its cost?

Guest Dec 14, 2021

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245

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Geometry

In the diagram below, secants RST and RQP drawn from point R, intersect circle O at S, T, Q, and P. If RS = 6, ST = 4, and RP = 12, what is the length of RQ?

Guest Dec 14, 2021

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295

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Number Theory

There is a number formed by n copies of 2020 and 1 in the unit place. If this number is divisible by 17, what is the smallest possible value of n

Guest Dec 14, 2021

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276

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Help! Thank you so much!

In right triangle , shown below, . What is ?

Guest Dec 14, 2021

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284

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Sequences

The first and ninth terms of an arithmetic sequence are 2/3 and- 4/5, respectively. What is the fifth term?

Guest Dec 14, 2021

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272

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Gerry makes $10.62 an hour. He grossed $127.40 last week. How many hours did he work?

Gerry makes $10.62 an hour. He grossed $127.40 last week. How many hours did he work?

Guest Dec 14, 2021

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205

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Function problem

Let
f(x) = x^2 + 9 if x < -5
f(x) = 3x + 8 if x >= -5
If f(x) = 10, find the sum of all possible values of x. read more ..

Guest Dec 14, 2021

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285

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Counting plz help

t my office, 16 people own cats, $9$ people own dogs, and $5$ people own both cats and dogs. How many people own a cat or a dog?

(Remember that in mathematics, the word "or" is used in the inclusive sense. So read more ..

Guest Dec 14, 2021

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191

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Write a system of equations to describe the situation below

Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
A boy scout troop is selling Christmas trees at a local tree lot. In the morning, they sold 4 Douglas Fir trees and 15 Noble Fir trees, earning read more ..

Guest Dec 14, 2021

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256

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Graphing question

If the point (3,6) is on the graph of y = g(x), and h(x) = 1/g(x) for all x, then there is one point that must be on the graph of y = h(x).What is the sum of the coordinates of that point?

Guest Dec 14, 2021

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274

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Graphing question

What is the smallest distance between the origin and a point on the graph of y = 1/2*(x^2 - 3)?

Guest Dec 14, 2021

+1

226

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+5

Write an equation to represent this situation. Use x & y to represent the variables.

Bowl-O-Rama charges $4 to rent a pair of shoesand $2.50 for each game.

If Bucky has $20 how many games can he bowl?

teeter24 Dec 14, 2021

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254

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Coordinates

The points (-3,2) and (-2,-2) lie on a circle whose center is on the x-axis. What is the radius of the circle?

Guest Dec 14, 2021

Dec 13, 2021

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157

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Algebra question

I choose a random integer n between 1 and 10 inclusive. What is the probability that for the n I chose, there exist no real solutions to the equation (x + 4)(x + 5) = n? Express your answer as a common fraction.

Guest Dec 13, 2021

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180

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help quickly plz

The bike store marks up the wholesale cost of all of the bikes they sell by 30%.
Andre wants to buy a bike that has a price tag of $125. What was the wholesale cost of this bike? _____

If the bike is discounted by read more ..

Guest Dec 13, 2021

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256

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Number Theory

What is the remainder when 10! is divided by 27? (Reminder: If n is a positive integer, then n! stands for the product 1*2*3 ... *n)

Guest Dec 13, 2021

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241

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Quadratics equation

Find the largest value of r such that 6r^2 + 7r + 8 = 6 + 3r + 9r^2.

Guest Dec 13, 2021

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159

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Functions

Let
f(x) = k(x) if x > 2
f(x) = 2 + (x - 2) + (x - 2)^2 if x <= 2.
Find the function k(x) such that f is its own inverse. read more ..

Guest Dec 13, 2021

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328

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Counting

A library has six identical copies of a certain book. At any given time, some of these copies are at the library and some are checked out. How many different ways are there for some of the books to be in the library and the rest to be checked out if at read more ..

Guest Dec 13, 2021

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213

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Geometry

Two circles of radius 4 are externally tangent to each other and are internally tangent to a circle of radius 10 at points A and B. Find the distance AB.

read more ..

Guest Dec 13, 2021

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