All Questions ⁺⁰237827 Questions

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246

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if line UT is perpindicular to line RV ,m angle TUW =x+10 and m angle WUV=4x-15, find m angleTUW

if line UT is perpindicular to line RV ,m angle TUW =x+10 and m angle WUV=4x-15, find m angleTUW

Guest Oct 11, 2022

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229

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geometry

Bob placed three regular pentagons together at a vertex, thinking he might be able to form a tessellation. However, they left a gap. What is the number of degrees in the measure indicated?

read more ..

Guest Oct 11, 2022

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243

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Algebra

What is the smallest distance between the origin and a point on the graph of y = \frac{1}{\sqrt{2}} (x^2 - 18)

Guest Oct 11, 2022

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214

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Sequences

Let a_1, a_2, a_3, ... be a non-constant arithmetic sequence. suppose that a_4, a_7, a_10 form a geometric sequence. If a_7 = 30, what is a_1?

Guest Oct 11, 2022

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258

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???

Mario and Luigi each bought a new book for $50. Mario sold his book to the used bookstore for 25% less than the original price. Luigi sold his book to the used bookstore for 40% less than the original price. How much more money, in dollars, did Mario receive read more ..

Guest Oct 11, 2022

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287

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Algebra

Find all real numbers a that satisfy
1/(a^3 + 7) - 7 = -a^3/(a^3 + 7) + 5.

Guest Oct 11, 2022

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235

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optimization problem

A factory manufactures two types of gadgets: regular and premium.
Each gadget requires two stages, assembly, and finishing, and there are at most 120 hours available for each operation (that is, 120 hours for assembly, and 120 hours read more ..

Guest Oct 11, 2022

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206

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geomtery

In triangle ABC, M is the midpoint of AB. Let D be the point on BC such that AD bisects BAC and let the perpendicular bisector of AB intersect AD at E If AB = 44, AC = 44 and CM = 10, then find the area of triangle ACE. read more ..

Guest Oct 11, 2022

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278

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geometry

In triangle ABC, let the angle bisectors be BY and CZ. Given AB = 8, AY = 8, and CY = 3, find BC.

Guest Oct 11, 2022

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272

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parametric equations

Consider a particle following the parametric equations
x = 1 + sin(pi*t)
y = 3*sin(3*pi*t)

Find the first four positive times t when this particle visits the point (3/2, 3/2) and list them in increasing order. read more ..

Guest Oct 11, 2022

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185

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math

a circle has radius r=3 cm and center angle v=((π)/(12))

the length of the arc and area

Guest Oct 11, 2022

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191

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what is cos a=1/2 and express the answer into nearest second.

what is cos a=1/2 and express the answer into the nearest second?

Guest Oct 11, 2022

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201

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PLZ HELP algebra

jo thinks of a number m she triples it then subtract 7 to get 8 answer write an equasion to desqribe this then work it out

m=?

Guest Oct 11, 2022

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179

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Plz help

Find z for which (2*sqrt(z) - 3)/(sqrt(z) - 1) = 1/3.

Guest Oct 11, 2022

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240

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Plz help

Ahmad, Tim and Craig had 660 marbles altogether. Ahmad gave 1/3 of his marbles to Tim and 1/4 of his marbles to Craig. After that, the three boys had the same number of marbles. How many marbles did Craig have at first?

Guest Oct 11, 2022

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275

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Calculus problem

Let f(x)=x2^x. Find all values of x such that f(x)=2f'(x)/f(x).

Guest Oct 11, 2022

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233

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calculus question

The tangent line to the graph of y=g(x) at x=4 has equation y=-3x+11. What is the equation of the tangent line to the graph of y=1/g(x)^3 at x=4? The answer should be in the form y = mx + b..

Guest Oct 11, 2022

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248

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Algebra

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

Guest Oct 11, 2022

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230

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Help, Please! :)

There are twice as many students in the cooking club as in the drama club. Suppose there are students in the drama club and students who are members of both clubs. Find an expression for the total number of students who are in the read more ..

Guest Oct 11, 2022

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265

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Grogg, Lizzie, Alex, and Winnie each own two identical hats marked with the first letter of their name.

Grogg, Lizzie, Alex, and Winnie each own two identical hats marked with the first letter of their name.
(a) In how many ways can each beast wear one of these hats?
(b) In how many ways can each beast wear one of these hats so no one is wearing read more ..

Guest Oct 11, 2022

Oct 10, 2022

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231

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geometry

Points A, B, C, and D lie on a line, in that order, with AB = CD and BC = 12. Point E is not on the line, and BE = CE = 15. The perimeter of triangle AED is twice the perimeter of triangle BEC. Find AB.

Guest Oct 10, 2022

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225

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system

Real number x and y satisfy
x+xy^2=250y+y^2, x- xy^2= -240y+y^2.
Enter all possible values of x, separated by commas.

Guest Oct 10, 2022

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234

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math problem

A town in Alaska records a temperature of -4 degrees Fahrenheit at 8 am. By noon, the temperature rises 20 degrees Fahrenheit. What is the temperature at noon?

Guest Oct 10, 2022

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