Answer:
The answer to the question is
The longest interval in which the given initial value problem is certain to have a unique twice-differentiable solution is (-∞, 4)
Step-by-step explanation:
To apply look for the interval, we divide the ordinary differential equation by (t-4) to
y'' + 
y' + 
y = 
Using theorem 3.2.1 we have p(t) = , q(t) = , g(t) =
Which are undefined at 4. Therefore the longest interval in which the given initial value problem is certain to have a unique twice-differentiable solution, that is where p, q and g are continuous and defined is (-∞, 4) whereby theorem 3.2.1 guarantees unique solution satisfying the initial value problem in this interval.
Answer:
Mrs Chauke's annual income= $384480
Step-by-step explanation:
Mrs Chauke earns 32040 every month and we need to find the annual income which is how much she earns in a year. 12 months in a year, so
12 times 32040 is 384480
Answer: 58 feet
Step-by-step explanation:
Those two angles are complementary - which means they both give us 90
degrees. We know that all three angles in any triangle must be exactly
180 degrees, so the third angle will be 180 - 90 = 90 degrees. It means
that our triangle is a straight triangle. The figure will look more less like in the attachment.
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Answer:
225
Step-by-step explanation:
350 - 125 = 225
Hope this helps!
