. Medical schools A and B reported the following summary of MCAT (Medical Aptitude Test) verbal scores. Test the claim that the applicants of Medical school A score higher than their counterparts of Medical school B. (a) At α = 5%, use the Classical approach to conclude it. (b) Using the P-value approach to conclude it. Medical school A : n=16, X bar=420, S2 = 144
Medical school B : n=8, X bar=408,S2 = 128

m∠vru = 80°

m∠urw = 15°

step-by-step explanation:

15 units use socratic

step-by-step explanation: 15 units

hello from mrbilldoesmath!

answer:   (7x + 6y) ( 49x^2 - 42xy + 36y^2)

discussion:

in general, the factorization of a^3 + b^3 is

a^3 + b^ 3 = (a + b) ( a^2 - ab + b^2)

in our case note that 343 = 7^3 and 216 = 6^3 so the equation becomes:

343x^3 + 216y^3 = (7x)^3 + (6y)^3

if you think of a (above) as 7x and b as 6y the factorization becomes

343x^3 + 216y^3 =

((7x + 6y) (   (7x)^2 - 7x*6y + (6y)^2)   =

(7x + 6y) ( 49x^2 - 42xy + 36y^2)

you,

mrb

(a + b) (a^2 - a b + b^2)