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271

Coordinates

Find the area of a triangle with vertices A(3, 1), B(2, -1), and C(-2, 1). Leave your answer in decimal form, rounded to the nearest hundredth.

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Guest May 3, 2022

247

HALPP

Find all the solutions to
$\frac{x+4}{x+5} = \frac{x-5}{2x}$

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Guest May 3, 2022

294

Please help me!!!!

Find the constant term in the expansion of
(2z - 1/sqrtz)^9

it is not 5376

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Guest May 3, 2022

267

I need help please

Compute the sum
2/(1•2•3)+2/(2•3•4)+2/(3•4•5)+•••

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Guest May 3, 2022

292

+136

Given f''(x) = 4x - 2 and f'(-2) = 3 and f(-2) = -3. Find f'(x) and find f(3), please!

Given

and and .
read more ..

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THESHADOW May 3, 2022

279

help system

Assuming x, y, and z are positive real numbers satisfying:
xy - z = 15
xz - y = 15
yz - x = 15 read more ..

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Guest May 3, 2022

315

+13

NT problem

The number is a multiple of What is the units digit of the quotient

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hhhhh May 3, 2022

290

+13

Modular Inverses

Let . What is the remainder when a is divided by 11?

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hhhhh May 3, 2022

284

system

Find the value of a so that the system has no solutions.

y = 11x + 14
2y - 4 = ax + 7 - 3y + x read more ..

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Guest May 3, 2022

291

Complex Numbers

Express (4-5i) (-5+8i) in the form a+ bi, where a and b are integers and i^2 = -1

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Guest May 3, 2022

282

290 ( 1 + 0.21 )^13

290 ( 1 + 0.21 )^13 .... any ideas?

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Guest May 3, 2022

278

Coordinates

The circle centered at (2, -1) and with radius 4 intersects the circle centered at (2, 5) and with radius sqrt(10) at two points A and B. Find (AB)^2.

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Guest May 3, 2022

285

Domain

What is the domain of the real-valued function f(x) = (2x - 7)/sqrt(x^2 - 7x + 6)?

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Guest May 3, 2022

276

Domain

Find the domain of the real-valued function
f(x) = sqrt(-6x^2 + 25x - 4)

Give the endpoints in your answer as common fractions (not mixed numbers or decimals). read more ..

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Guest May 3, 2022

273

domain

Find the greatest integer value of b for which the expression

(9x^3+4x^2+11x+7)/(x^2+bx+18)
read more ..

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Guest May 3, 2022

339

+99

MATH HELP PLS

Pat tosses a fair coin, after which Lee throws a fair die. They continue this alternate
coin-tossing and die-throwing until a head is tossed (in which case Pat wins) or a 2 is
thrown (in which case Lee wins). What is the probability that Lee wins? read more ..

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Jxalskdfjarkfhqwio3r May 3, 2022

279

as shown in the figure, quadrilateral ABCD is inscribed in O, E is a point on the extension of AB, and angle AOC=80, then angle D=, and angl

as shown in the figure, quadrilateral ABCD is inscribed in O, E is a point on the extension of AB, and angle AOC=80, then angle D=, and angle CBE=

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VgerYu1128 May 3, 2022

273

range

What is the range of the function f(x) = 1/x^3?

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Guest May 3, 2022

266

domain

Find the domain of the function f(x) = sqrt(sqrt(x^2 - 16) + 3).

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Guest May 3, 2022

273

Domain

Find the domain of the real-valued function
f(x) = -sqrt(-10x^2 - 4x + 6)

Give the endpoints in your answer as common fractions, not mixed numbers or decimals. read more ..

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Guest May 3, 2022

225

Help Please - Geometry (Quadrilaterals)

In quadrilateral AC, we have AB = 3, BC = 6, CD = 4, and DA = 4.
If the length of diagonal is an integer, what are all the possible values for AC? Explain your answer in complete sentences.

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Guest May 3, 2022

282

Trigonometry unit circle.

This equation for each question.

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 read more ..

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Guest May 3, 2022

274

Counting

Suppose that I have 6 different books, 2 of which are math books. In how many ways can I stack my 6 books on a shelf if I do not want the math books to be at the ends?

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Guest May 3, 2022

287

Operations

The operation * is defined for non-zero a and b as follows: a*b = a^2 + b^2. If a+b = 13 and ab = 25, what is the value of a*b? Express your answer as a common fraction.

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Guest May 3, 2022

290

stumped!!

i don't know how to do this :(

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Guest May 3, 2022

All Questions ⁺⁰236380 Questions

Coordinates

HALPP

Please help me!!!!

I need help please

Given f''(x) = 4x - 2 and f'(-2) = 3 and f(-2) = -3. Find f'(x) and find f(3), please!

help system

NT problem

Modular Inverses

system

Complex Numbers

290 ( 1 + 0.21 )^13

Coordinates

Domain

Domain

domain

MATH HELP PLS

as shown in the figure, quadrilateral ABCD is inscribed in O, E is a point on the extension of AB, and angle AOC=80, then angle D=, and angl

range

domain

Domain

Help Please - Geometry (Quadrilaterals)

Trigonometry unit circle.

Counting

Operations

stumped!!

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