x=8
Explanation:
the opposite side is 72, which means I have to make 9x end up equaling 72.
72÷9
////
72/9
=8
9×8=72
<u>Therefore</u>
the value of x is 8.
3z/2 = 9
z = 6.
6 x 3 = 18. 18/2=9
z. Again= 6
Yes it is correct, I've done the maths myself as wlel
Answer:
C). 0.39 grams
Step-by-step explanation:
First find how many half-lifes are in 3 hours:
3 hours ÷ 20 minutes = 9 half-lifes
Find the total left:
0.5^9*200 ≈ 0.39
Answer:
What am I supposed to answer?
Step-by-step explanation:
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