Answer:
Approximately 76.5 mg.
Step-by-step explanation:
Given,
The initial quantity of the Bismuth-210, P = 233 mg,
Also, the rate of decay per day, r = 13 %
Thus, the quantity of the Bismuth-210 after 8 days would be,
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1 answer:
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Answer:
quarts of orange juice.
Step-by-step explanation:
Given:
Quarts of orange juice required for 6 quarts of punch =
∴ Quarts of orange juice required for 1 quart of punch =
Therefore, quarts of orange juice are required for one quart of punch.
Answer:
x = -5/2 or 3/2
Step-by-step explanation:
If we let z = 2x+3, the equation can be written ...
... z² -4z -12 = 0
and can be factored as
... (z -6)(z +2) = 0
Then the solutions are z = -2, z = 6.
This means the values of x that are solutions are ...
... 2x +3 = {-2, 6} . . . . work with both possibilities at once
... 2x = {-5, 3} . . . . . . . subtract 3
... x = {-5/2, 3/2} . . . . .divide by 2
