ihatemath33
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Questions Asked

ihatemath33:
Group Title
Consider a game in which there are two players, Alice and Bob. Initially there
is a pile of n coins placed on a table. The players alterna…
 updated 7 months ago
 1 reply
 1 Medal
Mathematics

ihatemath33:
Group Title
Consider a game in which there are two players, Alice and Bob. Initially there
is a pile of n coins placed on a table. The players alterna…
 updated 7 months ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
use the fact that 10 is congruent to 1(mod 11) to devise a test for divisibility by 11 thats similar to our tests for divisibility by 3 and…
 updated 7 months ago
 1 reply
 2 Medals
Mathematics

ihatemath33:
Group Title
Given that k is congruent to 2(mod 4), determine the remainder when 5k+13 is divided by 4
 updated 7 months ago
 1 reply
 1 Medal
Mathematics

ihatemath33:
Group Title
show that a natural number n is a perfect square( that is k^2 for some k in N) if and only if every exponent in its prime decomposition is e…
 updated 8 months ago
 4 replies
 1 Medal
Mathematics

ihatemath33:
Group Title
Let a,b be integers and d=gcd(a,b). Show that gcd(a/d,b/d)=1
 updated 8 months ago
 5 replies
 2 Medals
Mathematics

ihatemath33:
Group Title
Let S be a set that contains at least two different elements. Let R be the relation on P(S), the set of all subsets of S, defined by (X,Y) i…
 updated 9 months ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
Argue that the relation "logically implies" is transitive on the set of all statements. That is, if a, b, and c are statements such that a→b…
 updated 9 months ago
 13 replies
 1 Medal
Mathematics

ihatemath33:
Group Title
Let a,b, and c be sets. Prove that if a is a subset of b and c is a proper subset of d, then axc is a proper subset if bxd
 updated 9 months ago
 1 reply
 No Medals Yet
Mathematics

ihatemath33:
Group Title
Write the following statements in symbolic form. Then use the rules of inference to find a conclusion. sharks cannot play tennis.
milos r…
 updated 10 months ago
 1 reply
 No Medals Yet
Mathematics

ihatemath33:
Group Title
show that
not(pvq) v (not p^q) v not(not p^not q) is logically equivalent to: not(p^not q)
 updated 10 months ago
 1 reply
 1 Medal
Mathematics

ihatemath33:
Group Title
You have completed preparing your buffer and you are ready to go home, but your supervisor informs you just before you leave that you should…
 updated 10 months ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
You have completed preparing your buffer and you are ready to go home, but your supervisor informs you just before you leave that you should…
 updated 10 months ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
Mario sells shell necklaces on the beach. Last season he first priced the necklaces at 10$ and sold 20 per day. When he increased the price …
 updated one year ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
Describe a suitable control to test the specificity of the Bradford assay for certain amino acids
 updated one year ago
 1 reply
 1 Medal
Mathematics

ihatemath33:
Group Title
show that the function g(x)= (2x5) / (x3)^(1/2) has derivative g'(x)= (2x7) / 2(x3)^(3/2)
 updated one year ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
show that the function f(x)=(x3)^(1/2) (2x5) has derivative f'(x)= (6x17) / 2(X3)^(1/2)
 updated one year ago
 10 replies
 1 Medal
Mathematics

ihatemath33:
Group Title
A company makes jackets. If x represents the number of jackets produced, the total cost function for producing x jackets is C(x) = 0.43x^2+1…
 updated one year ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
Let f(x)= 3x^2 / (2x+1) . At what value of x does f(x) have a tangent with slope 4/3?
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

ihatemath33:
Group Title
You are given a culture of cells having an initial concentration of 1.3 X 108 cells / mL. From this you have to perform a serial dilution in…
 updated one year ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
A researcher dilutes a stock culture of cells 1/2000, and adds a 20 µL sample to a
hemocytometer. From her cell count, she determines the …
 updated one year ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
Do the algebra to show the solutions to (5/3)x^(2/3)  (4/3)x^(1/3)=0 are x=0, 64/125
 updated one year ago
 3 replies
 1 Medal
Mathematics

ihatemath33:
Group Title
Complete the algebra to simplify f(x+Delta x)  f(x)div Delta x to 1div (x+Delta x 3) (x3) for the function f(x)= x2 / x3
 updated one year ago
 No Medals Yet
Mathematics

ihatemath33:
Group Title
Complete the algebra to show the function
\[f(x)= 2(2x3)(2)(4x+5)^3 (2x3)^2 (3)(4x+5)^2 (4) \div (4x+5)^6 simplifies to 8(2x3)(x7)\d…
 updated one year ago
 7 replies
 1 Medal
Mathematics

ihatemath33:
Group Title
A cylindrical can is to be constructed to hold 400cm^3 of liquid. The cost of the material for the circular top and bottom of the can is 3 c…
 updated one year ago
 2 replies
 2 Medals
Mathematics

ihatemath33:
Group Title
Write as a sum or difference of logarithms with no unnecessary exponents left.
ln (5x^4 ( 2x1)^7 /(square root (x^2+1)) (3x+2)^19
 updated one year ago
 3 replies
 1 Medal
Mathematics

ihatemath33:
Group Title
simplify 3x / x3
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

ihatemath33:
Group Title
Write the function f(x) = Square root ( 4x^2 +25) as a composition of two simpler functions a(x) and b(x) such that F(x)= a(b(x))
 updated one year ago
 2 replies
 1 Medal
Mathematics

ihatemath33:
Group Title
given the function f(x)=( 0.5(4x1)^0.5 (4)(2x1)  (4x1)^0.5 (2) ) / (2x1)^2
Find the values of x where f(x) is defined
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

ihatemath33:
Group Title
given the function f(x)=( 0.5(4x1)^0.5 (4)(2x1)  (4x1)^0.5 (2) ) / (2x1)^2
 updated one year ago
 No Medals Yet
Mathematics
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