X/9 - 7 is the answer. note x/9 is in fraction form
Answer:
54
Step-by-step explanation:
to evaluate substitute b = 18 into 3b
3b = 3 × 18 = 54
Answer:
y = 260
Step-by-step explanation:
locate x = 7 on the x- axis, go vertically up to meet the graph at (7, 260 )
when input is 7 then output y = 260
Answer:
15/16 gram
Step-by-step explanation:
40 days represents 40/8 = 5 half-lives. That is, the quantity remaining is (1/2)^5 = 1/32 of the original amount, so is ...
(30 g)/32 = 15/16 g
