Arielle has a collection of grasshoppers and crickets. She has 561 insects in all. The number of grasshoppers is twice the numbe
1 answer:
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Answer: 32°
Step-by-step explanation: see photo
Answer:
a) , b)
, c)
, d)
Step-by-step explanation:
a) Let assume an initial mass m decaying at a constant rate k throughout time, the differential equation is:
b) The general solution is found after separating variables and integrating each sides:
Where is the time constant and
c) The time constant is:
The particular solution of the differential equation is:
d) The amount of radium after 300 years is:
Answer:
D) x = -12 or x = 2
Step-by-step explanation:
The given quadratic equation is:
When y=0, we obtain:
We split the middle term with -2, 12 because their product is is -24 and their sum is 10.
We factor by grouping to obtain:
Either or
Either or