Jacob says that the product of a rational number and an irrational number is sometimes rational and sometimes irrational.

Which statement correctly describes whether Jacob is correct or incorrect?

A) Jacob is correct; the product of a rational number and an irrational number may be
either rational or irrational.

B)Jacob is incorrect; the product of a rational number and an irrational number is always
rational.

C)Jacob is incorrect; the product of a rational number and an irrational number is always
irrational

a) what number, when added to negative four, is equal to negative five?

step-by-step explanation:

answer: '

the distance between points l and m

step-by-step explanation:

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

54.864 meters

step-by-step explanation: