Answer:
A
Step-by-step explanation:
Option A is the correct answer of this question.
Answer:
169/4
Step-by-step explanation:
Take the coefficient of the x term. Here it's -13. Now halve that, obtaining -13/2. Finally, square this result. We get 169/4. This is the desired number.
x^2 - 13x + 169/4 - 169/4 + 14 = 0
8/x = 2/5
cross multiply
(2)(x) = (8)(5)
2x = 40
x = 40/2
x = 20
now check out ur fractions : 8/20 = 2/5....notice that they are equivalent fractions...just like proportions...nothing but equivalent fractions
Volume = length x width x height
we are told that the bottom fits 25 blocks, so that 5 x 5, then we are told the height is 3 feet, so:
5 x 5 x 3
75ft