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200

Math

Hi there, join my study group on Gauthmath. Help me with this maths question. Thanks buddy!

https://www.gauthmath.com/lp/team-invite?code=RMB8JJ&sid=6984575055007073798&tid=284589

Guest Jul 14, 2021

401

+165

binomial stuff

Find the nearest integer to (2+sqrt(3))^4.

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viola Jul 14, 2021

302

help trig

In right triangle ABC with B = 90 degrees, we have sin A = cos A. What is cos A?

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Guest Jul 14, 2021

Jul 13, 2021

333

Domain

What is the smallest integer value of c such that the function f(x) = (x^2 + 1)/(x^2 - 4x + c) has a domain of all real numbers?

JKP1234567890 ●

Guest Jul 13, 2021

517

Given positive integers $x$ and $y$ such that $x\neq y$ and $\frac{1}{x} + \frac{1}{y} = \frac{1}{18}$, what is the smallest possible value

Given positive integers $x$ and $y$ such that $x\neq y$ and $\frac{1}{x} + \frac{1}{y} = \frac{1}{18}$, what is the smallest possible value for $x + y$?

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Guest Jul 13, 2021

190

Range

Compute the range of the function f(x) = sqrt(x^2) - sqrt(x^2 + 1).

Guest Jul 13, 2021

388

Coordinates

Find the coordinates of the intersection of the diagonals of DEFG with vertices D(-2-3) E(0,4),F(-4,3), and G(-6,-4).

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Guest Jul 13, 2021

380

Geometry

A square tile, a regular hexagon tile, an equilateral triangle tile, and a regular n-sided polygon tile share a common vertex. There are no gaps or overlaps between the tiles. What is n?

HighSchoolDx ●

Guest Jul 13, 2021

425

+137

easy infinite square root

find x when

$\sqrt{x+\!\sqrt{x+\!\sqrt{x+\!\sqrt{x+\cdots}}}}=9$

I think i should multiply by x, but then that would just give $x\sqrt{x+\!\sqrt{x+\!\sqrt{x+\!\sqrt{x+\cdots}}}}=9x.$ thoughts? read more ..

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HighSchoolDx Jul 13, 2021

633

water pressure

Water pressure varies linearly with the depth of submersion. The pressure at the surface is 14.7 pound per square inch. Given that a diver experiences approximately 58.8 pounds per square inch of pressure at a depth of 100 feet, what pressure will a submarine read more ..

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Guest Jul 13, 2021

385

Percents

At the beginning of the school year, 50 percent of all students in Mr. Wells' math class answered "Yes" to the question "Do you love math", and 50% answered "No." At the end of the school year, 70% answered "Yes" and 30% "No." Altogether, x percent of the read more ..

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Guest Jul 13, 2021

341

Angles

What is the ratio of the number of degrees in the interior angle of a regular pentagon to the number of degrees in the interior angle of a regular pentagon? Write your answer as a common fraction.

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Guest Jul 13, 2021

515

help please thanks :) <3

A cyclist rides 30 km at an average speed of 9 km per hour. At what rate must the cyclist cover in the next 10 km in order to bring the overall average speed up to 10 km per hour?

JKP1234567890 ●●●

Guest Jul 13, 2021

227

Help needed

I'm sorry someone has already answered this below :(

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Guest Jul 13, 2021

381

help cphill

If\[\displaystyle\frac{\sqrt{600} + \sqrt{150} + 4\sqrt{54}}{6\sqrt{32} - 3\sqrt{50} - \sqrt{72}} = a\sqrt{b},\]where $a$ and $b$ are integers and $b$ is as small as possible, find $a+b.$

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Guest Jul 13, 2021

327

polynomial division

Simplify (2-x)/(x-7) / (x^2 read more ..

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Guest Jul 13, 2021

426

+208

Quadratic Optimization

Richard is building a rectangular backyard from 360 feet of fencing. The fencing must cover three sides of the backyard (the fourth side is bordered by Richard's house). What is the maximum area of this backyard?

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JKP1234567890 Jul 13, 2021

667

h(t)=(t+3)^2+5

h(t)=(t+3)^2+5
Over which interval does h have a negative average rate of change?

Choose 1 answer: read more ..

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Guest Jul 13, 2021

312

Geometry

Find length BC.

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Guest Jul 13, 2021

321

Triangle

Find the perimeter of triangle XYZ.

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Guest Jul 13, 2021

318

Percent

A store has clearance items that have been marked down by 55%. They are having a sale, advertising an additional 60% off clearance items. What percent of the original price do you end up paying?

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Guest Jul 13, 2021

342

plz can you help me ASAP due tommorow

hi can you help me i need it for tommorow stuck on this question for a while]

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Guest Jul 13, 2021

310

HELP!!! ASAP

Compute the domain of the real-valued function

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Guest Jul 13, 2021

333

Repeating Decimals

Suppose that a and b are digits, not both nine and not both zero, and the repeating decimal x = 0.abababab..... is expressed as a fraction in lowest terms. What is the largest possible value of x?

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Guest Jul 13, 2021

727

Math

Which undefined geometric term is described as a two-dimensional set of points that has no beginning or end?

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Guest Jul 13, 2021

All Questions ⁺⁰230566 Questions

Math

binomial stuff

help trig

Domain

Given positive integers $x$ and $y$ such that $x\neq y$ and $\frac{1}{x} + \frac{1}{y} = \frac{1}{18}$, what is the smallest possible value

Range

Coordinates

Geometry

easy infinite square root

water pressure

Percents

Angles

help please thanks :) <3

Help needed

help cphill

polynomial division

Quadratic Optimization

h(t)=(t+3)^2+5

Geometry

Triangle

Percent

plz can you help me ASAP due tommorow

HELP!!! ASAP

Repeating Decimals

Math

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