Monday
December 9, 2013

# Posts by lin

Total # Posts: 105

plls help maaath
f(x)=x ^2 +bx+c , b and c real .Find the minimum of (max|f(x)|)for x∈[−10,10]?

heeeeeeelp math
f(x)=x ^2 +bx+c , b and c real .Find the minimum of (max|f(x)|)for x∈[−10,10]?

heeeeeelp computer
A Harshad Number in a given number base is an integer that is divisible by the sum of its digits when written in that base. For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number in base 5. 1 is the fi...

heeeeeeeelp math
In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?

helllllppp math
In a tetrahedron ABCD, the lengths of AB, AC, and BD are 6, 10, and 14 respectively. The distance between the midpoints M of AB and N of CD is 4. The line AB is perpendicular to AC, BD, and MN. The volume of ABCD can be written as a√b, where a and b are positive integers...

heeeeeeeeeeelp math
A strip of 41 squares is numbered 0,1,2,…,40 from left to right and a token is placed on the square marked 0. Pinar rolls a pair of standard six-sided dice and moves the token right a number of squares equal to the total of the dice roll. If Pinar rolls doubles, then she ...

heeeeeeeelp math
Find the smallest n such that for some prime p, at least 20 of the numbers 1,2,...,n are quadratic non-residues modulo p.

physics helpdifficult
i want the answer just dont leave it upon me just giving the process..................................................................................................Two thin and identical steel rods move with equal speeds v=1 m/s in opposite directions and collide longitudina...

math waaaaarning
Find the sum of all primes q<1000 such that for some prime p<q , both q divides p^3-1 and p divides q^3-1

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