Others – Page 9 – Tinku Tara

x-f-i-x-i-f-i-u-f-i-u-i-f-i-u-x-a-h-proved-that-x-a-hu-

Tinku Tara December 8, 2024 Others 0 Comments

Question Number 214448 by jahar last updated on 08/Dec/24 $\bar{x} = \frac{Σ f_{i} x_{i}}{Σ f_{i}}, \bar{u} = \frac{Σ f_{i} u_{i}}{Σ f_{i}}, u = \frac{x - a}{h},$ $${proved}\:{that}\:\overset{−} {{x}}\:=\:{a}\:+\:{h}\overset{−} {{u}} \…

Question-214264

Tinku Tara December 3, 2024 Others 0 Comments

Question Number 214264 by zhou0429 last updated on 03/Dec/24 Commented by Ghisom last updated on 05/Dec/24 $it makes no sense trying to find an exact$ $solution since (1) \sqrt{39} is not a zero of the$ $polynomial and (2) the real root of the$ $polynomial is no usable expression$ $$\mathrm{just}\:\mathrm{use}\:\mathrm{a}\:\mathrm{good}\:\mathrm{calculator}…

a-The-angle-of-elevation-from-a-point-A-to-the-top-of-building-5m-away-is-45-Another-point-B-is-4m-from-A-By-scale-drawing-determine-i-the-angles-of-elevation-from-point-B-ii-the-height-of-the-b

Tinku Tara November 30, 2024 Others 0 Comments

Question Number 214183 by jlewis last updated on 30/Nov/24 $a) The angle of elevation from a point A to the$ $top of building 5 m away is 45 ° . Another point$ $B is 4 m from A . By scale drawing determine .$ $i) the angles of elevation from point B$ $ii) the height of the building$ $b) A man who is in the elevator half way the$ $building notices a lorry approaching the$ $$\mathrm{building}\:\mathrm{at}\:\mathrm{an}\:\mathrm{angle}\:\mathrm{of}\:\mathrm{depression}\:\mathrm{20}°.\:\mathrm{How} \…

Question-213960

Tinku Tara November 22, 2024 Others 0 Comments

Question Number 213960 by Tawa11 last updated on 22/Nov/24 Commented by Tawa11 last updated on 22/Nov/24 $Prove by Mathematical Induction$ Answered by A5T last updated on…

Question-213890

Tinku Tara November 20, 2024 Others 0 Comments

Question Number 213890 by Tawa11 last updated on 20/Nov/24 Answered by mr W last updated on 21/Nov/24 $h = u \sin θ t - \frac{{g t}^{2}}{2}$ $t = \frac{u \sin θ}{g} (1 \pm \sqrt{1 - \frac{2 g h}{u^{2} \sin^{2} θ}})$ $$\:\:=\frac{\mathrm{45}\:\mathrm{sin}\:\mathrm{52}°}{\mathrm{9}.\mathrm{81}}\left(\mathrm{1}\pm\sqrt{\mathrm{1}−\frac{\mathrm{2}×\mathrm{9}.\mathrm{81}×\mathrm{12}}{\mathrm{45}^{\mathrm{2}}…

r-112452-2108-3820-80-67778-2108-2-80-232470-3820-2-80-

Tinku Tara November 13, 2024 Others 0 Comments

Question Number 213658 by Danielacrsz last updated on 13/Nov/24 $r = \frac{112452 - \frac{(2108) (3820)}{80}}{\sqrt{67778 - \frac{{(2108)}^{2}}{80} \sqrt{232470 - \frac{{(3820)}^{2}}{80}}}}$ Answered by MathematicalUser2357 last updated on 14/Nov/24…

Question-29-Theres-2-same-ratio-sequences-a-n-b-n-with-a-ratio-of-non-zero-And-if-two-sums-of-each-sequences-n-1-a-n-n-1-b-n-are-convergent-and-two-equations-n-1-a-n-b

Tinku Tara November 2, 2024 Others 0 Comments

Question Number 213298 by MathematicalUser2357 last updated on 02/Nov/24 $Q u e s t i o n 29 . T h e r e s 2 s a m e - r a t i o s e q u e n c e s {a_{n}}, {b_{n}} w i t h a r a t i o o f n o n - z e r o$ $A n d i f t w o s u m s o f e a c h s e q u e n c e s (\underset{n = 1}{\sum^{\infty}} a_{n}, \underset{n = 1}{\sum^{\infty}} b_{n}) a r e c o n v e r g e n t, a n d t w o e q u a t i o n s$ $$\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}{a}_{{n}} {b}_{{n}}…

Dear-Tinkutara-last-days-I-face-a-problem-Very-often-I-loose-all-my-work-when-saving-save-file-I-get-one-or-two-blank-lines-which-are-saved-in-the-relevant-file-I-use-v-2-286-android-12-api-l

Tinku Tara October 26, 2024 Others 0 Comments

Question Number 212921 by nikif99 last updated on 26/Oct/24 $D e a r T i n k u t a r a$ $l a s t d a y s I f a c e a p r o b l e m :$ $V e r y o f t e n I l o o s e a l l m y w o r k w h e n$ $s a v i n g (“ s a v e {f i l e}^{″}) . I g e t o n e o r$ $t w o b l a n k l i n e s w h i c h a r e s a v e d i n$ $t h e r e l e v a n t f i l e .$ $I u s e v . 2.286, a n d r o i d 12, a p i l e v e l 31 .$ $${Any}\:{suggestion}\:{or}\:{update}\:{would}\:{be} \…

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Tinku Tara October 20, 2024 Others 0 Comments

Question Number 212643 by ajfour last updated on 20/Oct/24 $G u e s s w e c a n m a k e y o u t u b e$ $e d u c a t i o n a l v i d e o s u s i n g t h i s$ ${f o r u m}^{'} s e d i t o r i n o f f l i n e m o d e .$ $T i n k u t a r a t e a m, l e t m e k n o w .$ $I a l r e s d y m a d e o n e . . h e r e$ Commented by ajfour last updated…

A-group-of-n-people-are-standing-in-a-circle-They-are-numbered-with-1-2-3-etc-Starting-with-the-person-with-the-number-1-every-second-person-is-removed-from-the-circle-and-this-process-conti

Tinku Tara October 19, 2024 Others 0 Comments

Question Number 212621 by mr W last updated on 19/Oct/24 $A group of n people are standing in$ $a circle . They are numbered with$ $1, 2, 3, etc . Starting with the person$ $with the number 1, every second$ $person is removed from the circle and$ $this process continues until only one$ $person remains in the circle . What$ $$\mathrm{will}\:\mathrm{be}\:\mathrm{the}\:\mathrm{number}\:\mathrm{of}\:\mathrm{the}\:\mathrm{last}\:\mathrm{person}…

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