Sigma(i = 7 to 16, 2i-12) = 2*sigma(i = 7 to 16, i) -120
= 2*115-120 = 110
Answer:
3x^2-9=0
Step-by-step explanation:
√3 does not equal a whole number.
-6(a+8)
= (-6)(a+8)
= (-6)(a)+(-6)(8)
Your final answer would be -6a - 48!
Answer:
27 7/12kg
Step-by-step explanation:
you take the 25 3/4 then subtract it with 13 1/2= 12 1/4
then in the problem it says he received so then you add
12 1/4 + 15 1/3 and then you get 27 7/12kg
I searched it up on symbolab I reccomend it I have been using it for a while now