cho hình thang vuông ABCD có đáy lớn AB=4a, đáy nhỏ CD=2a,đường cao AD=3a, I là trung điểm của AD . Khi đó (vecto IA+vecto IB)vectoID bằng

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.

168

step-by-step explanation:

i am pretty sure that the answer is 168

55% are girls and 45% are boys : ) hope this

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.