VIẾT CÁC ĐA THỨC SAU DƯỚI DẠNG BÌNH PHƯƠNG CỦA MỘT TỔNG (HOẶC HIỆU) a)x^2+8x+16
b)x^2-2/3x+1/9
c)4x^2+4x+1
d)16x^2+1/4-4x

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step-by-step explanation:

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.

yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.