Germany | Can you solve this ? | Math Olympiad

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[@ronaldnoll3247]

Correct calculation, but much too complicated... but it works like this too... with the approach
5^x =75;
x=LOG(5) 75;
x= 2.6826
that's all

[@MasterTMathsClass]

Nice work!

[@SoeSoe-gu5wm]

❤

[@rolandsing8380]

2×5^x=150 => 5^x=75 => x=log75/log5.

[@MasterTMathsClass]

Nice one

[@rudipasaribu1487]

You are right, but it can be more simple since 75 can be divided into multiplication of 5.

[@harrymatabal8448]

Thanks Mr Roland ❤

[@Ольга-ш9с7й]

×= Логарифм 75 по основанию 5

[@mariajimenez2706]

X=3

[@ВиталийМашков-л9д]

3

[@N_Kumar26]

Very niice sir

[@MasterTMathsClass]

Thanks and welcome

[@vovochka1963]

Я в уме посчита за 10 сек.

[@MasterTMathsClass]

🎉

[@vladsmith3657]

Согласен, легко считается в уме 👍

[@ValbonaKubazi]

Shumë e saktë

[@MasterTMathsClass]

Thanks

[@haroldlake1005]

5^x + 5^x = 150
2(5^x) = 150
5^x = 75
5^x = 3(5^2)
5^x / 5^2 = 3
5^(x-2) = 3
(x-2) log 5 = log 3
x-2 = log 3 / log 5
x = 2 + log 3 / log 5
Simpler and elegant. Bye

[@MasterTMathsClass]

Nice

[@rudipasaribu1487]

👍

[@vijayalakshmivenkataraman3517]

15

[@Pravda_Sila]

Olympiad ?

[@fabiolafierroaedo323]

Porque no aplico logaritmo en base 5??

[@keithharbaugh2594]

5^x = 3 5^2
5^(x-2) = 3
x-2 = log_5 3 = ln 3 / ln 5 = .6826...
x = 2 + log_5 3

[@ГалинаТихонова-ю6ъ]

Зачем нам такая математика на иностранных языках? Зачем ?

[@АндрейКожевников-о8й]

Х=2.683

[@babatundeabdus-salaam6456]

Alhamdulillah

[@MasterTMathsClass]

🙏

[@harrymatabal8448]

Thanks for writing down the formulas because we are stupid. 2 5^x +5^x = 2.5^x. wasting time

[@ТоляКоркин]

For child?

[@swaminathakrishnapingale2695]

5 cube + 5 square = 150.

[@keithharbaugh2594]

Yes, but that is not what the equation specified.

[@swaminathakrishnapingale2695]

@@keithharbaugh2594 As per normal type of equation only I could see.

[@BerndReinhardt]

5^x = 75
X = ln 75 / ln5

[@evgeniya-nes]

а зачем десятичные логарифмы
5^х=75
по определению логарифма х=log5 75=log5 25*3=log5 25+log5 3=2+log5 3

[@MasterTMathsClass]

Nice one

[@naipaulojar7761]

There are many steps that could have been removed from this video, to make it more viewable. 5^x + 5^x = 2 * 5 ^ in 1 step. +> 5^x = 75

[@Ольга-ш9с7й]

Да Простите Ошиблась

[@Ольга-ш9с7й]

Посчитала в уме получилось 3

[@MasterTMathsClass]

🎉

[@vladsmith3657]

5 в кубе будет 125. 125+125=250, ну никак нем150😊

[@alibayr4996]

3

[@anamariadeaguiarberkenbroc5652]

X=3

[@keithharbaugh2594]

5^3 + 5^3 = 125 + 125 = 250, not 150

[@emilyxie6123]

3

[@sandipkumarnandi818]

3

[@sandipkumarnandi818]

Sorry

[@dinolerario2790]

3

[@alibayr4996]

3