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yuradex [85]
3 years ago
7

Can someone please help me ?

Mathematics
1 answer:
Annette [7]3 years ago
4 0
I think the answers D 
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13 The complement of an
Keith_Richards [23]

Answer:

30

Step-by-step explanation:

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2 years ago
What is an equation of the line that passes through the points (6, -7) and (-6, 3)?
Mars2501 [29]
Two point form:
y-(-7)/3-(-7)=x-6/-6-6
Rearrange to get y=-5/6x -2 (slope intercept form)
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8 0
2 years ago
Find a compound proposition involving the propositional variables p, q, and r that is true when exactly two of p, q, and r are t
VLD [36.1K]

Answer:

Consider the proposition C=(p∧q∧¬r)∨(p∧¬q∧r)∨(¬p∧q∧r)

Step-by-step explanation:

This compound proposition C uses the outer disjunction (∨) then the proposition is true if and only if one of the three propositions (p∧q∧¬r),(p∧¬q∧r),(¬p∧q∧r) is true.

First, it is impossible that two or three of these propositions are simultaneously true. For example, if (p∧q∧¬r) and (p∧¬q∧r) are both true, then ¬r is true (from the first conjuntion) and r is true (from the second one), a contradiction. All the other possibilities can be discarded reasoning in the same way.

Since these propositions are mutually excluyent, C is true if and only if exactly one of the three propositions is true (and false otherwise). This can only happen if exactly two of p,q, and r are true and the other one is false. For example, (p∧q∧¬r) is true when p and q are true, and r is false.

8 0
3 years ago
PLS HELP
Rzqust [24]
1+1=2!!

hope that helps
8 0
3 years ago
Read 2 more answers
What division sentence means the same as the following subtraction sentences?​
WINSTONCH [101]

I do not see any illustrations, but repeated subtraction is the exact same as division.

I hope this answer was useful, and as always, I am joyous to assist anyone at any time.

3 0
3 years ago
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