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Tpy6a [65]
3 years ago
6

If p —> q and q —> r are true conditional statements,

Mathematics
1 answer:
kirill [66]3 years ago
8 0

Answer:

False; this is the law of syllogism.

Step-by-step explanation:

Law of Detachment is:

1) p->q

2) p

------------------------

Conclusion: q

Law of syllogism is:

1) p->q

2) q->r

---------------------

Conclusion: p->r

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Determine (without solving the problem) an interval in which the solution of the given initial value problem is certain to exist
yuradex [85]

Answer:

0 < t < 5 is the required interval for the differential equation (t - 5)y' + (ln t)y = 6t to have a solution.

Step-by-step explanation:

Given the differential equation

(t - 5)y' + (ln t)y = 6t

and the condition y(1) = 6

We can rewrite the differential equation by dividing it by (t - 5) as

y' + [(ln t)/(t - 5)]y = 6t/(t - 5)

(ln t)/(t - 5) is continuous on the interval (0, 5) and (5, +infinity).

6t/(t - 5) is continuous on (-infinity, 5) and (5, +infinity)

We see that for these expressions, we have continuity at the intervals (0, 5) and (5, +infinity).

But the initial condition is y = 6, when t = 1.

The solution to differential equation is certain to exist at (0, 5)

Which implies that

0 < t < 5

is the required interval.

3 0
3 years ago
DUE IN 3 MINUTES PLEASE HELP
Dmitry [639]

Answer:

B. 12^3 - 12^2 - 11

Step-by-step explanation:

........

3 0
2 years ago
An unmanned submarine ascends from the ocean floor at a rate of 2 meters per second. If the ocean floor is 4220 feet below sea l
KengaRu [80]

Answer:

a=4220-2t

This would be if we are finding the altitude of the submarine from the surface of the water(how many meters away from the surface it is). I don't know what it would be if you want to know from the bottom of the ocean.

4 0
2 years ago
Read 2 more answers
Don't answers if u can't......<br>​
melamori03 [73]

Answer:

Step-by-step explanation:

pc ma chu so online theye na no mobile so cant reply sorry

6 0
2 years ago
What is the probability of not rolling factors of 4 on both dice ?
galben [10]

Answer:

2

Step-by-step explanation:

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3 years ago
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