JF Mathematics clinic Special thread

sembo said:

Mkuu, tupo una swali lolote?

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Swali hili hapa limenitoa knock out.
"In how many ways can three different mathematics books and four different history books be exhibited on a shelf so that all of the books in a subject area are side by side?"

john tongo said:

nahisi kizunguzungu walah!

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Pole na jipe moyo utaelewa tu.

Kibishi said:

Swali hili hapa limenitoa knock out.
"In how many ways can three different mathematics books and four different history books be exhibited on a shelf so that all of the books in a subject area are side by side?"

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probability :-
2*(3!*4!)=.......????

kama nikosa niambie maana longtime sana hizi mambo

worldboss said:

kama nikosa niambie maana longtime sana hizi mambo

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upo sawa

Shy land said:

Ruttashobolwa usione kimnya mzee tunakuja namajibu mda siyo mrefu

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HAHAHA ULIKIMBILIA WAPI?

sembo said:

X + Y + Z = 5
3X + 5Y - Z = 21
X - 7Y + 4Z = -19

Solve for X, Y and Z

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E

sembo said:

Mkuu, tupo una swali lolote?

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AISEE

Ruttashobolwa said:

The Sum of the first ten term is -55 while the sum of next 7 term is -217. Find the sum of first 17th term and common difference

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CC MAGARI7

CC Shedangio

Bandido-2 said:

If 2×2=4
2+2=4
Why
1×1=1
1+1=2

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Mwanzilishi

Ruttashobolwa said:

CC MAGARI7

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sum of first 17 ni sum of 1st 10 na next 7
=-55-217
=-272


so 10/2 * (2a+9d) =-55
2a+9d=-11...1st eqn

again 17/2 * (2a+16d) = -272
2nd eqn solve simultaneously