Recent questions tagged inequalities

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Let $\text{m}$ and $\text{n}$ be natural numbers such that $\text{n}$ is even and $0.2 < \frac{m}{20}, \frac{n}{m}, \frac{n}{11} < 0 \cdot 5.$ Then $m – 2n$ equals $3$$...
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If “$x$” is an integer, which of the following inequalities have a finite range of values of “$x$” satisfying them?$x^{2}+ 5x+6>0$$\left | x+2 \right |>4$$9x-7<3...
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For how many integers $n$, will the inequality $\left ( n-5 \right )\left ( n-10 \right )-3\left ( n-2 \right )\leq 0$ be satisfied?$10$$11$$12$$9$
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What value of $x$ satisfy $x^{2/3} + x^{1/3} - 2 \leq 0$?$-8\leq x \leq 1$$-1\leq x \leq 8$$1< x <8$$1\leq x \leq 8$$-8\leq x \leq 8$
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Given that $-3<x \leq – \dfrac{1}{2}$ and $\dfrac{1}{2} < y \leq 7$, which of the following statements is true? $\max (x+y)(x-y)] – \min[(x+y)(x-y)]=57 \dfrac{1}{2}$$...
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Find the complete set of values that satisfy the relations $\mid \mid x\mid-3\mid< 2$ and $\mid \mid x\mid-2\mid< 3$.$(-5,5)$$(-5,-1)\cup(1,5)$$(1,5)$$(-1,1)$
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A real number $x$ satisfying $1- \frac{1}{n} < x \leq 3 + \frac{1}{n}$ for every positive integer $n,$ is best described by$1 < x < 4$$0 < x \leq 4$$0 < x \geq 4$$1 \leq ...
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If $|b| \geq 1$ and $x =\; – |a| b$, then which one of the following is necessarily true?$a – xb < 0$$a – xb \geq 0$$a – xb 0$$a – xb \leq 0$
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If $13x + 1 < 2$ and $z,$ and $z + 3 = 5y^2$, then$x$ is necessarily less than $y$$x$ is necessarily greater than $y$$x$ is necessarily equal to $y$None of the above is n...
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If n is such that $36 \leq n \leq 72$ then $x = \frac{n^2 + 2 \sqrt{n}(n+4) +16}{n+4\sqrt{n}+4}$ satisfies$20 < x < 54$$23 < x < 58$$25 < x < 64$$28 < x < 60$
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$x$ and $y$ are real numbers satisfying the conditions $2 < x < 3$ and $–8 < y < –7.$ Which of the following expressions will have the least value?$x^2y$$xy^2$$5xy$No...
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15
If $x 5$ and $y < −1,$ then which of the following statements is true?$(x + 4y) 1$$x − 4y$$−4x < 5y$None of these
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If $x 2$ and $y – 1,$ Then which of the following statements is necessarily true?$xy –2$$–x < 2y$$xy < –2$$–x 2y$
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What values of $x$ satisfy $x^{\frac{2}{3}} + x^{\frac{1}{3}} - 2 \leq 0?$$-8 \leq x \leq 1$$-1 \leq x \leq 8$$1 < x < 8$$1 \leq x \leq 8$$-8 \leq x \leq 8$
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