All Questions ⁺⁰230619 Questions

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Combination of Functions

My answer: {x e R | x ≤ -11} Is that correct?

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Julius Jan 14, 2018

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NotSoSmart Jan 14, 2018

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The graph of $y=ax^2 + bx + c$ is a parabola with vertical axis of symmetry. The vertex of this parabola is $(2,3)$ and the parabola contain

The graph of is a parabola with vertical axis of symmetry. The vertex of this parabola is and the parabola contains the point . Find the value of when .

Guest Jan 14, 2018

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670

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NotSoSmart Jan 14, 2018

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654

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NotSoSmart Jan 14, 2018

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725

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NotSoSmart Jan 14, 2018

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791

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NotSoSmart Jan 14, 2018

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697

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NotSoSmart Jan 14, 2018

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629

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NotSoSmart Jan 14, 2018

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688

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NotSoSmart Jan 14, 2018

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664

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NotSoSmart Jan 14, 2018

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657

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NotSoSmart Jan 14, 2018

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1006

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NotSoSmart Jan 14, 2018

Jan 13, 2018

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715

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YOU WIILL BE AMAZED

https://www.canada.ca/content/dam/ircc/migration/ircc/english/pdf/pub/discover.pdf

Guest Jan 13, 2018

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2315

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Final mathematics exam

The final mathematics exam at a certain school contains questions of equal difficulty and is matched to the students' past performance in mathematics. Four students who take the exam have averages 25%, 50%, 60%, and 80%. What is the probability that at read more ..

jonathanxu999 Jan 13, 2018

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4149

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How many order pairs of x y

How many ordered pairs of positive integers $(x,y)$ satisfy the equation $\frac{x}{y} = \frac{225}{xy} + \frac{y}{x}$?

Guest Jan 13, 2018

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1030

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Help asap

Simplify the expression \[\frac{6}{\sqrt{36} + \sqrt{27}} + \frac{6}{\sqrt{27} + \sqrt{18}} + \frac{6}{\sqrt{18} + \sqrt{9}}.\]

Guest Jan 13, 2018

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We have a triangle $\triangle ABC$ such that $AB = BC = 5$ and $AC = 4.$ If $AD$ is an angle bisector such that $D$ is on $BC,$ then find th

We have a triangle such that and If AD is an angle bisector such that D is on BC then find the value of Express your answer as a common fraction.

RektTheNoob Jan 13, 2018

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713

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The graph of the equation $y =ax^2 + bx + c$, where $a$, $b$, and $c$ are constants, is a parabola with axis of symmetry $x = -3.$ Find $\fr

The graph of the equation ., where , , and are constants, is a parabola with axis of symmetry Find .

Guest Jan 13, 2018

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1885

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Determine the number of positive integers $a$ less than $12$ such that the congruence $ax\equiv 1\pmod{12}$ has a solution in $x$.

Determine the number of positive integers a less than 12 such that the congruence has a solution in x.

RektTheNoob Jan 13, 2018

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1077

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Logarithmic equation

Solve for x

The numerator is giving me issues as it has two logs in it. Can't seem to simplify it after raising both sides to 10, any tips? read more ..

Quazars Jan 13, 2018

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1505

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Find A+B+C

Find $\displaystyle{ \frac{2}{1 + 2\sqrt{3}} + \frac{3}{2 - \sqrt{3}}}$, and write your answer in the form $\displaystyle \frac{A + B\sqrt{3}}{C}$, with the fraction in lowest terms and $A > 0$. What is $A+B+C$?

Guest Jan 13, 2018

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2500

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Help

Suppose that $a$, $b$, and $c$ are real numbers such that $\frac{a}{b} = \frac{\sqrt{10}}{\sqrt{21}}$ and $\frac{b}{c} = \frac{\sqrt{135}}{\sqrt{8}}$. Find $\frac{a}{c}$. Completely simplify and rationalize the denominator.

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Guest Jan 13, 2018

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804

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Can some please help

Rationalize the denominator: $\frac{1}{\sqrt{8}+\sqrt{50}+\sqrt{18}}$.

Guest Jan 13, 2018

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