Questions and answers by

Reen

Questions (24)

How do you graph the equation of -1.2x + 2y= -4 and y = 0.6x + 8
1. 0 answers
2. 356 views
how do you do the linear equation y + 9 =1/5x and 45 - 3y = 15x
1. 1 answer
2. 307 views
the line "l" passes through the point P=(1,-1,1) and has a direction vector d=[2,3,-1], for the following plane Pl, determine
1. 0 answers
2. 814 views
Pure acetylsalicylic acid has a melting point of 135.0 - 135.5 (degrees Celsius). What would you expect for the melting point is
1. 3 answers
2. 715 views
what mass of sodium acetate should be dissolved in 1.00L of acetic acid, 0.150M concentration, in order to produce a buffer with
1. 1 answer
2. 914 views
9.00mL of 1.10M CH3COOH and 1.00mL of 0.900M CH3COO- what is the pH?
1. 8 answers
2. 738 views
determine the pH of 10.00mL or 0.100M HCl after adding 10.00mL of indicator solution. (i think this is supposed to be a buffer
1. 1 answer
2. 1,033 views
a few drops of NaOH are added to a sample of the unknown. A blue precipitate appears. Next, approximately 1mL of ammonia, NH3,
1. 1 answer
2. 558 views
a few drops of NaOH are added to a sample of the unknown. A blue precipitate appears. Next, approximately 1mL of ammonia, NH3,
1. 1 answer
2. 586 views
evaluate:n sigma i=1 3/2^(i-1)
1. 0 answers
2. 323 views
find the value of the sumn sigma i=1 (2-5i)
1. 0 answers
2. 1,498 views
f'(x) = (x^2-1)/x
1. 2 answers
2. 304 views
find f(x)f'(x) = (x^2-1)/x^(-1)
1. 4 answers
2. 383 views
find f(x)f'(x) = (x^2-1)/x^(-1)
1. 1 answer
2. 252 views
find the equation of f(x)f''(x)= 2 + x^3 + x^6
1. 1 answer
2. 419 views
P/|\ / | \ / | \ on this side there is an / | \ arc with A(θ) in the / | \ middle. the B(θ) /θ | B(θ)\ triangle is not equal
1. 1 answer
2. 2,567 views
lim as x-> infinity sec^2(1/x)
1. 1 answer
2. 411 views
what is the derivative ofln(y) = x
1. 0 answers
2. 423 views
what is the derivative ofy = (1/2)xln(x)
1. 1 answer
2. 368 views
A sample of the primary standard, Potassium hydrogen phthalate, weighing 0.3589g requires 14.96mL of NaOH solution for
1. 1 answer
2. 576 views
limit as x approaches infinity; tan^(-1) (x^2 - x^4)any help is appreciated =D
1. 1 answer
2. 555 views
Simplify the expression:cos(2tan^(-1)x) any help is appreciated =D
1. 1 answer
2. 730 views
solve for x:a)e^x=5 b) lnx=2
1. 2 answers
2. 348 views
isolate t:300(1.o5)^t = 1000(0.92)^t
1. 1 answer
2. 396 views