All Questions ⁺⁰236378 Questions

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289

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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 2, 2022

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278

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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 2, 2022

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290

2

Let a, b and c be complex numbers such that |a|=|b|=|c|=1 and

Let a, b and c be complex numbers such that |a|=|b|=|c|=1 and

Find all possible values of |a+b+c|
Enter all the possible values, separated by commas.

Guest May 2, 2022

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328

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Points X and Y lie on P so that PX = 5 meters and mXPY = 90. Find the length of XY to the nearest hundredth.

Points X and Y lie on P so that PX = 5 meters and mXPY = 90. Find the length of XY to the nearest hundredth.

a 3.93 m,
b 15.71 m, read more ..

Guest May 2, 2022

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194

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Confusing trigonometry.

Determine the value of the central angle θ for 0 < θ < 2pi.

Determine the values of the central angle θ for -2pi < 0 < 4pi. How is this related to coterminal angles?

Guest May 2, 2022

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349

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Binomial Theorem

Expand (2x - 1)^6

Guest May 2, 2022

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292

2

i'm a little bit stumped

I'm not quite sure how to solve this problem

Guest May 2, 2022

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268

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algebra

Find the coefficient of u^2 v^9 in the expansion of (2u^2 - v^3)^4.

Guest May 2, 2022

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278

2

CP HILL HELP ME PAPA

given f(n+1)=3f(n) and F(0)=4, what is f(3)

Guest May 2, 2022

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297

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Binomial Theorem

In the expansion of (ab + bc + ca)^{12}, find the coefficient of a^8 b^8 c^8.

Guest May 2, 2022

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382

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Sides of Triangles Super Hard

A triangle has 2 sides of length 9 inches and 15 inches, then the length of the third side CANNOT be..?

A) 17 B) 15 C) 9 B) 8.7 D) 5

BuilderBoi ●●●

Guest May 2, 2022

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289

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frustum

The two bases of a right conical frustum have radii r and R The frustum has the volume of a cylinder with the same height as the frustum and a radius of R Compute r/R.

read more ..

Guest May 2, 2022

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267

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cone

A cone has a base radius of 3 and a height of A cube is inscribed in the cone, so that four of its vertices lie in the circular base, and the other four vertices touch the lateral surface. Find the side length of the cube.

Guest May 2, 2022

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281

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Number Theory

A very large number x is equal to 2^2*3^3*4^4*5^5. What is the smallest positive integer that, when multiplied with x, produces a product that is a perfect square?

Guest May 2, 2022

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274

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Asymptotes

The graph of y = (5x^2 - 9)/(x^2 + 5x + 2) has vertical asymptotes at x = a and x = b. Find a + b.

Guest May 2, 2022

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269

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Pyramid

ABCDE is a right square pyramid. Find the total surface area of the pyramid. Find the volume of the pyramid.

●●●●●

Guest May 2, 2022

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267

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Algebra

Let the reciprocals of the roots of x^2 - 2x + 5 = 0 be a and b. Evaluate a*b.

Guest May 2, 2022

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312

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when the suns angle of elevation is 57, a building casts a shadow 21 meters long. how tall is the building?

when the suns angle of elevation is 57, a building casts a shadow 21 meters long. how tall is the building?

Guest May 2, 2022

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+37

Prime factors

What are the numbers strictly having "prime" factors between 30 & 140 only? It should be between 10000 & 20000

GP72022a May 2, 2022

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287

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+22

Vectors (Trigonometry)

Please help! What is the vector that results from transforming a by the transformation matrix?
a =
[5 ]
[−3] and
B= read more ..

DFO627 May 2, 2022

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285

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Fraction

Find the fraction that equals 0.7266666666... + 0.023333333...

Guest May 2, 2022

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293

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angles

The three angles of a triangle have measures A = x + 2y degrees, B = 6x - 5y degrees, and C = 8x + 3y degrees. Find x in degrees.

Guest May 2, 2022

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281

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Floor

Solve floor(r) + r = 12.2 - r.

Guest May 2, 2022

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