All Questions ⁺⁰230876 Questions

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686

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help please

An equilateral triangle is inscribed in a circle of radius R. Find the area of the equilateral triangle.

Guest May 26, 2020

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365

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سؤال

الرباعي ABCD مربع. دع a ، b ، c تكون خطوط متوازية تمر عبر A و B و C على التوالي. المسافة بين الخطين a و b هي 12 ، والمسافة بين الخطين b و c هي 17. أوجد مساحة المربع ABCD.
alrabaei ABCD marbiein. de a ، b ، c

Guest May 26, 2020

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325

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Need help with inverse functions

If , then for what value of x is undefined?

Guest May 26, 2020

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436

2

I need help with this:

1. Given , denote by the inverse of . That is, is the residue for which . Sadie wonders if is always congruent to (modulo $m$). She tries the example a=2, b=3, and m=7. Let L be the residue of , and let R be the residue read more ..

Guest May 26, 2020

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317

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help

The figure below shows a trapezium ABCD, where AB : DC = 2 : 3 is the mid-point of AB. Straight lines DE and DB meet AC at F and G respectively. Find the radio of AF : FG : GC.

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Guest May 26, 2020

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340

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Multiply & divide powers (integer exponents

(5(-8))(5(-10))

Guest May 26, 2020

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432

1

im stuck

The expression can be written as where a and b are integers. What is a-b?

Guest May 26, 2020

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371

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help!

The parabola with equation is graphed below:

The zeros of the quadratic are at and , where . What read more ..

Guest May 26, 2020

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362

1

help becuase algebroas

How many pairs of positive integers satisfy ?

Guest May 26, 2020

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533

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help

Find the number of integers from 1 to 1 million that are not perfect squares or perfect cubes.

Guest May 26, 2020

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498

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help

Solve the inequality 4x - 3x^2 < x^2 - 8x.

Guest May 26, 2020

+1

556

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HELP ASAP

For each positive integer $n$, the set of integers $\{0,1,\ldots,n-1\}$ is known as the $\textit{residue system modulo}$ $n$. Within the residue system modulo $2^4$, let $A$ be the sum of all invertible integers modulo $2^4$ and let $B$ be the sum all of read more ..

Guest May 26, 2020

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656

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+4

Please help

1 Three balls are numbered 1, 2, 3 and placed in a bag. A ball is chosen, its number recorded, then the ball placed back in the bag. This process is repeated twice more. The resulting 3 recorded numbers are added.
Bob walks in the room after the three read more ..

uviouibui May 26, 2020

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449

1

please solve

Guest May 26, 2020

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386

0

We define a function f(x) such that f(11)=34, and if there exists an integer a such that f(a)=b, then f(b) is defined and f(b)=3b+1 if b is

We define a function f(x) such that f(11)=34, and if there exists an integer a such that f(a)=b, then f(b) is defined and f(b)=3b+1 if b is even.

What is the smallest possible number of integers in the domain of f? read more ..

Guest May 26, 2020

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640

1

In the diagram below, lines and are parallel. Find the measure of angle in degrees.

In the diagram below, lines and are parallel. Find the measure of angle in degrees.

Guest May 26, 2020

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341

0

can you solve this?

AMBH is a semicircle, MH is perpendicular to diameter AB, HQ = 2*MQ, and angle QAH = 45. Find tan angle QBH.

read more ..

Guest May 26, 2020

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473

1

please help

Simplify the fraction

Guest May 26, 2020

+1

364

0

Number Theory Help Please!!!

Let $n$ be a positive integer and $a,b$ be invertible integers modulo $n$ such that $a\equiv b^{-1}\pmod n$. What is the remainder when $ab$ is divided by $n$?

Guest May 26, 2020

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