Answer:
10 seconds.
Step-by-step explanation:
420/42 = x amount of seconds.
It took Lainey 10 seconds.
Since it has a half life of 60 days, this means that every 60 days it multiplies by 0.5. Since it asks for 300 days, your equation is 500*(0.5)^5, which is 15.625 mg left after 300 days.
Answer:
29%
Step-by-step explanation:
100%-71%=29%
42 degrees. Divide 105 by 5 and get 21 and then multiply it by 2.
Answer:
70.71m
Step-by-step explanation:
In order to find the diagonal, we can use Pythagiras theorem by splitting the field in half and creating a right angled triangle.
A^2+B^2=C^2
50^2+50^2=C^2
5000=C^2
Square root 5000= 70.71m (2dp)
Hope this helped!
