Answer:
7+9+11+3=30 (total)
(13)-

(14)-

(15)-

(16)-

(17)- Experimental and theoretical are not the same but within 10% of each other .
Answer:
s=31
Step-by-step explanation:
hi again so what you are gonna do is find out the opposite of subtraction which is addition then you are gonna do the opposite..so add 19 and 12 together then your sum would be 31.....to check your answer you must subtract 31 from 19 and then you get 12....so therefore s=31
hope you are getting a better understanding!
Answer:
176 grams of zinc.
Step-by-step explanation:
4/9 = x/396 where x = the number of grams of zinc.
Cross multiply:
9x = 4*396
x = 4*396/9
x = 176 grams.
Answer:
b= 2x²; c = 4; 3 = 3 ; g = 6x
Step-by-step explanation:
