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AllQuestion and Answers: Page 17

Question Number 225604 Answers: 3 Comments: 2

Question Number 225601 Answers: 0 Comments: 1

2^(2025) ×3^(2025)

$$\:\:\: \mathrm{2}^{\mathrm{2025}} ×\mathrm{3}^{\mathrm{2025}} \: \\ $$

Question Number 225599 Answers: 1 Comments: 2

Question Number 225568 Answers: 1 Comments: 1

A farmer produces seeds in packets for sale. The probability that a seed selected at random will grow is 0.8. If there are 20 seeds, what is the probability that less than 2 will not grow?

$${A}\:{farmer}\:{produces}\:{seeds}\:{in}\:{packets} \\ $$$${for}\:{sale}.\:{The}\:{probability}\:{that}\:{a}\:{seed} \\ $$$${selected}\:{at}\:{random}\:{will}\:{grow}\:{is}\:\mathrm{0}.\mathrm{8}. \\ $$$${If}\:{there}\:{are}\:\mathrm{20}\:{seeds},\:{what}\:{is}\:{the} \\ $$$${probability}\:{that}\:{less}\:{than}\:\mathrm{2}\:{will}\:{not} \\ $$$${grow}? \\ $$

Question Number 225563 Answers: 2 Comments: 4

Question Number 225506 Answers: 1 Comments: 2

Question Number 225503 Answers: 2 Comments: 0

find x∈C for r∈R\{0} (−r)^x =r

$${find}\:{x}\in\mathbb{C}\:{for}\:{r}\in\mathbb{R}\backslash\left\{\mathrm{0}\right\} \\ $$$$\left(−{r}\right)^{{x}} ={r} \\ $$

Question Number 225497 Answers: 9 Comments: 0

Question Number 225490 Answers: 0 Comments: 19

Question Number 225474 Answers: 1 Comments: 2

Question Number 225461 Answers: 1 Comments: 0

Which one is the oddest prime number?

$${Which}\:{one}\:{is}\:{the}\:{oddest}\:{prime}\:{number}? \\ $$

Question Number 225449 Answers: 2 Comments: 0

Question Number 225416 Answers: 1 Comments: 2

Question Number 225407 Answers: 4 Comments: 3

Question Number 225391 Answers: 0 Comments: 0

Σ_(n = 1) ^∞ (− 1)^(n − 1) ((H_n H_(2n) ^((2)) )/n) = ?

$$\:\:\:\:\:\:\:\underset{\mathrm{n}\:\:\:=\:\:\:\mathrm{1}} {\overset{\infty} {\sum}}\:\left(−\:\:\:\:\mathrm{1}\right)^{\mathrm{n}\:\:\:\:−\:\:\:\mathrm{1}} \:\frac{\mathrm{H}_{\mathrm{n}} \:\mathrm{H}_{\mathrm{2n}} ^{\left(\mathrm{2}\right)} }{\mathrm{n}}\:\:\:\:\:\:\:=\:\:\:\:\:? \\ $$

Question Number 225392 Answers: 2 Comments: 1

Question Number 225382 Answers: 1 Comments: 0

Been a while guys ∫_0 ^( 1) ((xln(1+x))/(1+x^2 ))dx

$$\mathrm{Been}\:\mathrm{a}\:\mathrm{while}\:\mathrm{guys} \\ $$$$\int_{\mathrm{0}} ^{\:\mathrm{1}} \frac{\mathrm{xln}\left(\mathrm{1}+\mathrm{x}\right)}{\mathrm{1}+\mathrm{x}^{\mathrm{2}} }\mathrm{dx} \\ $$

Question Number 225365 Answers: 0 Comments: 1

who′s trying this scholars?

$$\mathrm{who}'\mathrm{s}\:\mathrm{trying}\:\mathrm{this}\:\mathrm{scholars}? \\ $$

Question Number 225397 Answers: 1 Comments: 1

Question Number 225356 Answers: 4 Comments: 1

Question Number 225354 Answers: 1 Comments: 1

Question Number 225338 Answers: 1 Comments: 1

Question Number 225330 Answers: 1 Comments: 0

if (fogoh)(x)=cos^2 (x+9) then f(x)=? , g(x)=? , h(x)=?

$${if}\:\:\left({fogoh}\right)\left({x}\right)={cos}^{\mathrm{2}} \left({x}+\mathrm{9}\right) \\ $$$${then}\:\:\:{f}\left({x}\right)=?\:,\:\:{g}\left({x}\right)=?\:\:,\:{h}\left({x}\right)=? \\ $$

Question Number 225323 Answers: 1 Comments: 0

Find: (((3 + 2 (5)^(1/4) )/(3 - 2 (5)^(1/4) )))^(1/4) . (((5)^(1/4) - 1)/( (5)^(1/4) + 1)) = ?

$$\mathrm{Find}:\:\:\:\left(\frac{\mathrm{3}\:+\:\mathrm{2}\:\sqrt[{\mathrm{4}}]{\mathrm{5}}}{\mathrm{3}\:-\:\mathrm{2}\:\sqrt[{\mathrm{4}}]{\mathrm{5}}}\right)^{\frac{\mathrm{1}}{\mathrm{4}}} .\:\:\:\frac{\sqrt[{\mathrm{4}}]{\mathrm{5}}\:-\:\mathrm{1}}{\:\sqrt[{\mathrm{4}}]{\mathrm{5}}\:+\:\mathrm{1}}\:\:=\:? \\ $$

Question Number 225394 Answers: 1 Comments: 2

Question Number 225307 Answers: 1 Comments: 1

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