On the planet Klem, 1 Bem plus 7 Dems equals 4 Pems, and 2 Bems plus 1 Dem equals 1 Pem. How many Dems equal 7 Bems?
Fill the number in the blank in a rule :
Let a @ b # c = a * b * c - [ (10 + a) - (20 + b ) - ( 30 + c ) ]. Find the value of 10 @ 5 # 3 + 12 * 8
What is the biggest panlindrome number such that the total of the digit on the panlindrome number is 17 ?
Hurry up please ! I will tick for the fastest people !
If n varies directly as m3, and n = 50 when m = 5, find n when m = 60
Let a,b and c be three numbers such that: a= 2^3x3^xx5^2, b=2x3^3x5 and c=280 1*) decompose c into a product of prime factors 2*) find the GCD of b and c 3*) find all possible values of x when LCM (a;b)=2^3x3^3x5^2
f(7) = p.77 + q.73 + r.7 - 4 = -p.(-7)7 - q.(-7)3 - r.(-7) - 4
= -[p.(-7)7 + q.(-7)3 + r.(-7)] - 4 = -[f(-7) + 4] - 4
= -(3 + 4) - 4 = -7 - 4 = -11
2
Let a;b;c\(\in\)R such that a\(\ne\)b\(\\ \ne\)c . Prove that;
\(\dfrac{a^2}{\left(b-c\right)^2}+\dfrac{b^2}{\left(c-a\right)^2}+\dfrac{c^2}{\left(a-b\right)^2}\ge2\)
viết đoạn văn ngắn ( 10 dòng ) về tình cảm quê hương ( gạch chân )
giup mik vs mik cần gấp
The number A is 3 more than twice another number B . Their sum is 27 . Find the number A
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