All Questions ⁺⁰237665 Questions

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254

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Geometry

A_1 A_2 A_3 ... A_12 is a regular dodecagon with area 1. Find the area of the blue region.

Guest Nov 30, 2021

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275

1

Geometry

Point P lies in regular hexagon ABCDEF such that [ABP ] = 3, [CDP] = 5, and [EFP] = 8. Compute [BCP].

Guest Nov 30, 2021

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258

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Expected Value

Brent rolls a fair dodecahedral die with numbers 1,2,3,...,11,12 on its faces. What is the expected number he obtains? Express your answer in a decimal.

Guest Nov 30, 2021

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259

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Algebra

Find all solutions to the equation sqrt(2 - 3z) = 8. Express your answer as a common fraction.

Guest Nov 30, 2021

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494

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+2499

how do I solve these?

on the first one I got 2x-1=y, is it all the sweet of solutions?

Solveit Nov 30, 2021

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252

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Polynomial

Let f(y) = y^4 -3y^3 +y - 3 and g(y) = y^4 - 5y -10. Find . Write your answer as a polynomial with terms of decreasing degree.

Guest Nov 30, 2021

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367

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Quadratic

Write down the quadratic equation whose roots are x = 1 and x = -7 and the coefficient of x is 1.

Guest Nov 30, 2021

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409

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Physics

How much is the decrease in in volume of a 0.5 m³ of aluminum when subjected to a hydraulic press with a pressure of 1.6 x10 8 N/m2 . The Bulks Modulus of aluminum is 0.70 x10 11 N/m2 ?

Guest Nov 30, 2021

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4

315

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Find stress, resulting strain, and Young's modulus

A wire 12 cm long with cross-sectional area of 0.1 cm stretches by 5 cm when weight of 100 N is suspended from it. Convert all units from cm to m. Solve for (a) stress; (b) resulting strain; and (c) Young's modulus

Guest Nov 30, 2021

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PHYSICS

A wire 12 cm long with cross-sectional area of 0.1 cm stretches by 5 cm when weight of 100 N is suspended from it. Convert all units from cm to m

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345

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What is the sum of the first one hundred positive integers?

What is the sum of the first one hundred positive integers?

Guest Nov 30, 2021

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395

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Trig question

How many values of x with 0 <= x < 990 degrees satisfy sin x = -1?

Guest Nov 30, 2021

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260

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Algebra

Let a and b be the roots of the equation x^2 - mx + 2 = 0. Suppose that a + 1/b + ab and b + 1/a + ab are the roots of the equation x^2 - px + q = 0. What is q?

Guest Nov 30, 2021

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541

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Polynomials

Let t(x) = 3x - 8 and s(t(x)) = x^2 + 8x - 2. Find s(1).

Guest Nov 30, 2021

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553

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Operations

Define a*b as 2a - b^2. If a*6 = 8, what is the value of a?

Guest Nov 30, 2021

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270

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help quadratic

The equation y = -4.9t^2 + 48t + 18.9 describes the height (in meters) of a ball tossed up in the air at 48 meters per second from a height of 18.9 meters from the ground, as a function of time in seconds. In how many seconds will the ball hit the ground? read more ..

Guest Nov 30, 2021

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292

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help math

The positive difference between two consecutive even perfect squares is 228. Compute the larger of the two squares.

Guest Nov 30, 2021

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536

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Geometry Question

In the diagram, ABC ∼ ACD. If AD = 12 and DB = 15, what is AC? I got it wrong on my test and I don't know how to solve it :(

Guest Nov 30, 2021

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526

5

+218

Question on French Fries!

Rick and Morty and playing a game involving 60 french fries. On a turn, Rick or Morty may eat 1 to 7 french fries. The player who eats the last french fry wins the game. Rick can't garuntee he'll win the game unless he goes first and removes x fries. read more ..

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MathyGoo13 Nov 30, 2021

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help quadratic

What is the maximum value of 4(x + 7)(2 + x) , over all real numbers x?

Guest Nov 30, 2021

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363

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Help

In a sale Tommy bought a kettle and a toaster. He paid a total of $105. The amount paid for the kettle is 2/5 the cost of the toaster. The total price before the discount should have been $133. The toaster was reduced by 20%. How much was the kettle reduced read more ..

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Guest Nov 30, 2021

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403

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Coordinates

A segment with endpoints at A(2,-2) and B(14,4) is extended through B to point C. If BC = 3*AB, what are the coordinates for point C ? Express your answer as an ordered pair.

Guest Nov 30, 2021

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381

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Please help

Find the remainder when the sum 75 + 76 + 77 + 78 + 79 + 80 + 81 + 82 + 83 + 84 + 85 + 86 + 87 + 88 is divided by 16.

Guest Nov 30, 2021

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309

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Please help me...

Find the number of perfect squares that divide 10!.

Guest Nov 30, 2021

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