Answer:
13.5
Step-by-step explanation:
12/4=3
9/3=3
4.5x3=13.5
Answer:
194.5315427 grams
Step-by-step explanation:
The half-life of element x would be 66 years. So, after 20 years you would have:
.5^(20/66) x 240=0.810548 x 240
=194.5315427 grams of the element left ......
Answer:
0.125
Step-by-step explanation:
Hope this answer helps you :)
Have a great day
Mark brainliest
Answer:
x= 9.37
y = 17.69
Step-by-step explanation:
in order to find the answer, use the trigonometries.
First finding x which is tan(32) = x/15
x = tan(32)15
and Y is cos(32) = 15/y
y = 15/cos(32)
I hope this helps