Questions and answers by

Tommy

Questions (220)

What could I use as a memory clue (or picture) for the following words?Requisitioned: Def. Demand, or urgently ask for something
1. 8 answers
2. 536 views
What could I use as a memory clue (or picture) for the following words?Evicted: Def. To force out. Requisitioned: Def. Demand,
1. 3 answers
2. 487 views
1A> What is the coefficient of x^(2r) in the expansion of (1-x^2)^n, where n is a positive integer ?1B> Find the coefficient of
1. 6 answers
2. 647 views
Find the value of x2x^(2/3) - x ^(1/3) -6 =0 Thanks for your help :)
1. 1 answer
2. 298 views
Solve the following equationtan (2x)+ sec (2x) = cos (x)+ sin (x) Thanks for your help
1. 8 answers
2. 519 views
Find the general solution of the following equation.sin (5x) = cos (3x) sin (6x) sin (x) = cos (3x) cos (4x) Thanks for your
1. 5 answers
2. 1,204 views
How to memorize the sum-to-product and product-to-sum formulae more easily ??I know how to deduce the formula but when i try to
1. 4 answers
2. 1,021 views
Prove the identitysin(x+y+z)+sin(x+y-z)+sin(x-y+z)+ sin(x-y-z) = 4 sin(x)cos(y)cos(z) This identity is so long and after i tried
1. 5 answers
2. 854 views
Prove the identity.6cos^2(x)-1 -12cos^4(x) +8cos^6(x)= cos^3(2x) Thanks for your help :)
1. 3 answers
2. 618 views
in triangle abc, ifsin c= (sin a + sin b )/ ( cos a + cos b ) prove that triangle abc is a right-angle triangle.
1. 1 answer
2. 692 views
how has the long-term health care system addressed aging populations in the past 50 years?please help!!
1. 1 answer
2. 509 views
The distribution of scores on the SAT is approx. normal with mu= 500 and std dev=100.a)what proportion of the population have
1. 1 answer
2. 2,392 views
What would be some creative writing prompts I could write about? Sci-Fi related or anime or something like that?
1. 1 answer
2. 448 views
The question: A postal cler sold 75 stamps for $19.95. Some were 20-cent and some were 33-cent stamps. How many of each kind did
1. 2 answers
2. 499 views
How can you explain that Biurets reaction with amino acids as compared to other protein substances?
1. 1 answer
2. 544 views
How does an onion stores its carbohydrates? Why? What part of a plant is a potato? What part of a plant is an onion?
1. 0 answers
2. 998 views
Of the following substances, which would react positively with Biuret's, Lugol's, and Benedict's?1. water 2. starch 3. glucose
1. 2 answers
2. 609 views
The multiple Choice Question:Determine delta G (free energy at standard condition s) for the reaction below, considering Kp = 8
1. 0 answers
2. 775 views
I need to know the top desceases there are in Japan.Thanks Please clarify your question. Do you mean the most prevalent
1. 0 answers
2. 434 views
True or False:1. A rate law can be written from the molecularity of the slowest elementary step. 2.The final rate law can
1. 0 answers
2. 809 views