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opposite sides of a parallelogram are congruent...
<span>(3y + 4) = (5y - 6) </span>
<span>2y = 10 </span>
<span>y = 5 </span>
<span>(8x - 12) = (4x + 20) </span>
<span>4x = 32 </span>
<span>x = 8 </span>
Answer: The rock is 2000785 years old.
Explanation:
Expression for rate law for first order kinetics is given by:
where,
k = rate constant
t = age of sample
a = initial amount of the reactant = 800
x = amount of daughter isotope = 600
a - x = amount left after decay process = amount of parent isotope = (800-600) = 200
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
The rock is 2000785 years old.
Answer: Doubling in size over equal time.
Explanation: Population exponential growth can be said to be an increase in the number by multiplying together a number of equal factors, where the exponent specifies the number of factors to multiply.
For example, in 7² the factors are all 7, the power is 2 and the exponentiation gives 49.
This example is indicative of doubling in size.
In the United States of America, you must at least 18 years of age to vote.
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