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nevsk [136]
3 years ago
7

Choose the correct translation of the following statement into symbolic form using the uppercase letters available. If neither w

ater nor soft drinks can quench your thirst, then juice will not do it, unless the juice contains electrolytes. Let W = water can quench your thirst, S = soft drinks can quench your thirst, J = juice will quench your thirst, and E= the juice contains electrolytes a)-(WvS)-(-VE) b) - (WvS) (-) El c)-(WvS) (-JVE) d) - (Wv 5)(-). E) Question 16 (1 point) Choose the correct translation of the following statement into symbolic form using the uppercase letters available. If the dryer breaks, then we will hang the clothes to dry, or take the clothes to a coin-operated laundry. Let D = the dryer breaks, B = we will hang the clothes to dry, and C = we will take the clothes to a coin-operated laundry a) (DB) b)(DVB) vc c) CV (DB) d) DBVC Question 17 (1 point) If " X is true, then what is X? a) X is true. b) Xis false. c) X could be true or false. Question 18 (1 point) If "Xv Y is false, then can one of the disjuncts be true? a) Yes O b) No
Mathematics
1 answer:
Over [174]3 years ago
5 0

Answer:

¬(W∨S)→¬(J∨E)

D→(B∨C)

X is true

No

Step-by-step explanation:

The hypotheses  "neither water nor soft drinks can quench your thirst" translates to ¬(W∨S) ("neither nor" negates the disjunction W∨S). The "if,... then" translates to the implication symbol (arrow). The conclusion "juice will not do it, unless the juice contains electrolytes" translates to ¬(J∨E). This is because if J or E were true, then J would be true (because E implies J), contrary to the conclusion that J is false ("juice will not do it"), then J∨S is false.

The hypothesis here is "the dyer breaks" hence D is the hypothesis. The conclusion is "we will hang the clothes to dry, or take the clothes to a coin-operated laundry" which is the same as (B∨C).

The proposition p→p is always true (according to truth tables). In this case, p:=X is true, then p is true and X is true.

X∨Y is false if and only if X is false and Y is false, so both statements X,Y must be false.

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Answer:

Ok so first you would have to turn them into improper fractions which is

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So now that you have made them both improper fractions you have to find common denominators.

To find common denominators you must multiply both the numerator and the denominator by the same thing. Since your oposing fraction has a denominator of 5 you can know that a even number wont go in an odd number so take \frac{22}{5} and mutiply both numbers by 2 and get \frac{44}{10}. Then mutiply both numbers in \frac{7}{2} by 5 to get a common denominator.

\frac{35}{10}

\frac{35}{10} - \frac{44}{10} =35 - 44 = -9 so your answer is -\frac{9}{10}

Step-by-step explanation:

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3 years ago
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Paula made this model to show the sum of two mixed numbers. Write the addition equation shown by the model and solve it.
kipiarov [429]

Answer:

3\frac{2}{3} + 2\frac{2}{3} = 6\frac{1}{3}

Step-by-step explanation:

Given

See attachment for number line

Required

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3\frac{2}{3} + 2\frac{2}{3} = 6\frac{1}{3}

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3 years ago
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