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sergij07 [2.7K]
3 years ago
7

Use the truth table method to decide whether the following · forms are tautologies, contradictions, or contingencies. *a. p >

(9= p) b. (o'q) · (~p"~9) *C. ~(p » (O' q) d. (p=~9) "(~p=~9) *e. ((p = q) · (q = p)) = (p'q) f. (p = q) = (p=~9) | *g. (p:/qY )) = ((p:g) v(p:)) h. ((pvn) = q) •~(~q~) *i. ((p'q) '~ 1) = (pv (p '~ )) j. ((pvq) • ~ 1) = (pv (q:~;)) *k. [p. (q'~)] = [((p.5) · (qv~ r)) °((p :~s) · (q"~)))
Mathematics
1 answer:
mixas84 [53]3 years ago
8 0
Contradictions beepboopbopopp
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The equation P=4s represents the perimeter P of a square with side length s. What is the perimeter of a square with a side lengt
PilotLPTM [1.2K]

Answer:

20 feet

Step-by-step explanation:

s= side

P= 4s

I our case, s is 4, so 4*5 is 20.

Hence,

P=20

Hope this helps!

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2 years ago
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3 years ago
Yahoo creates a test to classify emails as spam or not spam based on the contained words. This test accurately identifies spam (
Amiraneli [1.4K]

Answer and Step-by-step explanation:

The computation is shown below:

Let us assume that

Spam Email be S

And, test spam positive be T

Given that

P(S) = 0.3

P(\frac{T}{S}) = 0.95

P(\frac{T}{S^c}) = 0.05

Now based on the above information, the probabilities are as follows

i. P(Spam Email) is

= P(S)

= 0.3

P(S^c) =  1 - P(S)

= 1 - 0.3

= 0.7

ii. P(\frac{S}{T}) = \frac{P(S\cap\ T}{P(T)}

= \frac{P(\frac{T}{S}) . P(S) }{P(\frac{T}{S}) . P(S) + P(\frac{T}{S^c}) . P(S^c) }

= \frac{0.95 \times 0.3}{0.95 \times 0.3 + 0.05 \times 0.7}

= 0.8906

iii. P(\frac{S}{T^c}) = \frac{P(S\cap\ T^c}{P(T^c)}

= \frac{P(\frac{T^c}{S}) . P(S) }{P(\frac{T^c}{S}) . P(S) + P(\frac{T^c}{S^c}) . P(S^c) }

= \frac{(1 - 0.95)\times 0.3}{ (1 -0.95)0.95 \times 0.3 + (1 - 0.05) \times 0.7}

= 0.0221

We simply applied the above formulas so that the each part could come

8 0
3 years ago
If p varies jointly as q and r, and p = 150 when q = 18 and r = 5, find q when p = 345 and r = 9. TA​
hichkok12 [17]

Answer:

the answer is saltiness, why?

Step-by-step explanation:

because when i was little my bro used to ask me to go up and down with my mouth on his cucumber and i hated it but he offered me candy. Anyway now he gives me 5$ so ill do it more and as many times :D so i can get a new robucks card

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Becky is 18 and would like to buy a house when she is 36. What is the discount factor for today's prices if the housing values i
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<span>you need to find the amount of years between now and when she wants to buy a home. 36-18= 18. then you take 18 and multiply is by %6. 18x%6 or 18x.06 =108% or 1.08. 

The discount prices for today's housing values compared to 18 years from now with a 6% increase per year would be 108% discount. </span>
3 0
3 years ago
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