All Questions ⁺⁰238457 Questions

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Trouble with Q. Pls Help

A Ferris wheel has a maximum height of 56 m and a minimum height of 14 m. It can make one rotation in 45 seconds. During the first rotation, when is the instantaneous rate of change of the height of a chair on the Ferris wheel 0, if it starts read more ..

DumbDude05 Nov 30, 2022

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292

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help me

Two points on a circle of radius 1 are chosen at random. Find the probability that the distance between the two points is at most 1.5.

Guest Nov 30, 2022

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Percent

3/4 of the vehicles in a parking lot are trucks.What percentage of the vehicles are trucks?

Guest Nov 30, 2022

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Inflation rises and falls in a cyclical manner. Consider the model where f(x) represents the change in inflation over time, given by x. If

Inflation rises and falls in a cyclical manner. Consider the model where read more ..

DumbDude05 Nov 30, 2022

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251

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Rectangles

Two rectangles overlap, as shown below. Find the area of the overlapping region (which is shaded) if AB = BE = 2 and AD = ED = 4.

read more ..

Guest Nov 30, 2022

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Angle bisectors

Let ABC be a triangle, and let its angle bisectors be AD, BE, and CF, which intersect at I. If DI = 3, BD = 4, and BI = 8, then find the area of triangle ABC.

Guest Nov 30, 2022

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Triangles

Triangle ABC has side lengths c = 29, a = 40, and b = 40. Find the inradius of triangle ABC. Find the circumradius of triangle ABC.

Guest Nov 30, 2022

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Find the Interest Rate

Milly borrowed $9,000 for 10 years to build a shed. If she repaid a total of $19,800, at what interest rate did she borrow the money?

Guest Nov 30, 2022

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235

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Algebra

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

Guest Nov 30, 2022

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Algebra question

Fill in the blanks to make the equation true.

xy xy^2 xy^3 x^2 y x^3 y x^2 y^2 x^2 y^3 x^3 y^2
read more ..

Guest Nov 30, 2022

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Cat >:>

/\ read more ..

Guest Nov 30, 2022

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combo problem

Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are 100 dogs in the school.
* 62 have blue ribbons, 65 have read more ..

Guest Nov 30, 2022

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help algebra

Carissa the chessplayer is a very, very slow walker. In fact, she walks at 100 meters per hour when walking uphill, 180 meters per hour when walking across flat ground, and 250 meters per hour when walking downhill. One day, Carissa walks read more ..

Guest Nov 30, 2022

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geometry problem

The two circles below are externally tangent. A common external tangent intersects line PQ at R. Find QR.

Guest Nov 30, 2022

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help probability question

A stick is broken at two points, at random. If the length of the stick is 6, then what is the probability that all three resulting pieces are shorter than 3 units?

Guest Nov 30, 2022

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Help would be great! Thanks :)

The teacher has written an equation of the form on the board, where is a quadratic, but Heather can't read the linear term. She can see that the quadratic term is and that the constant is . She asks her neighbor, Noel, read more ..

Keihaku Nov 30, 2022

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265

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Algebra

Consider the two expressions (6x^3 + 9x^2 + 4x + 7 - 17x^2 - 8x + 8)/(2x + 3 - 7x - 11) and 4x^2 - 7 + 1/(2x + 3 - 7x - 11)
a) Show that the two expressions represent equal numbers when x = 10
b) Explain why these two expressions do not represent read more ..

Guest Nov 30, 2022

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Counting and Probability

Guest Nov 30, 2022

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+4

a house building problem

The wall is 42 feet by 10 feet.
What is the side measure of the largest square tile that i can use to cover the whole wall so there is no overlap or cutting?

mathymanny Nov 30, 2022

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Math Question

What is 23x43 divided by 4?

Guest Nov 30, 2022

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counting problem

Six children are each offered a single scoop of any of 3 flavors of ice cream from the Combinatorial Creamery. In how many ways can each child choose a flavor for their scoop of ice cream so that each flavor of ice cream is selected by at least two children? read more ..

Guest Nov 30, 2022

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math

Guest Nov 30, 2022

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