All Questions ⁺⁰236329 Questions

0

387

2

helppp

A triangle with sides measuring 8, 15 and 17 units is inscribed in a circle. What is the radius of the circle, in units? Express your answer as a decimal to the nearest tenth.

Guest Apr 8, 2022

0

323

1

math

A woman labels the squares of a very large chessboard 1 through 64. On each square k, the woman puts 2^k grains of rice. How many more grains of rice are placed on the 10th square than on the first 9 squares combined?

Guest Apr 8, 2022

0

193

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System

For a certain value of k, the system
x + y + 3z = 10
-4x + 3y + 5z = 8
kx + z = 3 + 4y read more ..

Guest Apr 8, 2022

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306

2

Complex Numbers

Find all complex numbers z such that |z - 3| = |z + i| = |z - 1 - 2i|.

Guest Apr 8, 2022

+2

359

3

+136

Find the local linear approximation of the function f(x) = √15 + x at x = 10, and use it to approximate √24.9 and √25.1.

Find the local linear approximation of the function f(x) = √15 + x at x = 10, and use it to approximate √24.9 and √25.1.

THESHADOW Apr 8, 2022

0

363

1

Quadratic problem

An Ariline currently charges 200 dollars per ticket and sells 40,000 tickets a week. For every 10 dollars they increase the ticket price, they sell 400 fewer tickets a week. How many dollars should they charge to maximize their total read more ..

Guest Apr 8, 2022

Apr 7, 2022

0

231

1

help coordinates

What is the value of k if point P(k, k sqrt(3)) is 4 units from the line 5x+8y=17?

Guest Apr 7, 2022

0

238

1

Seqeuence problem

There is a sequence of numbers such that every entry except for the first entry is the arithmetic mean of its two neighboring entries. The 27th entry is 94 and the 94th entry is 39. What's the first entry?

Guest Apr 7, 2022

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320

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Domain

Compute the domain of the real-valued function $f(x) = \sqrt{1 + \sqrt{2 - \sqrt{x}}}$.

Guest Apr 7, 2022

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189

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Counting

How many ways can you distribute 4 different balls among identical boxes?

Guest Apr 7, 2022

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299

1

Algebra

If 4x = 3y, what is the value of (2x + y)/(3x - y)?

Guest Apr 7, 2022

0

291

1

Inverse function

Let f(x) = 7x + 5 and g(x) = x + 1. If h(x) = f(g(x)) , then what is the inverse of h(x)?

Guest Apr 7, 2022

0

302

1

urgent help pls

You are given f(x) = x4 - 3x3 - kx - 5. When f(x) is divided by x + 3 the remainder is 169.
Use a value of k from the previous question to determine the remainder when f(x) is divided by x - 3. read more ..

Guest Apr 7, 2022

0

370

1

Algebra

Find the vertex of the graph of the equation y=-2x^2+18x-15.

Guest Apr 7, 2022

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347

1

+56

Equal, Complement, or Supplement?

smasai1324 Apr 7, 2022

0

333

1

+56

Equal, Complement, or Supplement?

smasai1324 Apr 7, 2022

0

410

3

A geometry question. I don't need answers only a hint

Two 3 * 4 rectangles overlap, as shown below. Find the area of the overlapping region (which is shaded).

My read more ..

Guest Apr 7, 2022

0

297

1

+56

Equal, Complement, or Supplement?

smasai1324 Apr 7, 2022

0

202

0

sqrt plls hellp

what is the sqrt of

read more ..

Guest Apr 7, 2022

0

314

1

Parabola

The parabola y=ax^2+bx+c is graphed below. Find a+b+c. (The grid lines are one unit apart.)

Guest Apr 7, 2022

0

336

2

Parabola

The graph of y=ax^2+bx+c is given below, where a, b, and c are integers. Find a-b+c.

read more ..

Guest Apr 7, 2022

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