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Svet_ta [14]
3 years ago
12

class="latex-formula">
Mathematics
2 answers:
kirill115 [55]3 years ago
5 0

Answer:

That doesn't make any sense

Step-by-step explanation:

Aleks04 [339]3 years ago
5 0

Answer:

What does that mean

Step-by-step explanation:

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So I need someone to asnwer this ASAp since my he is due in 20 minutes. Please help!
dem82 [27]
A)6 ^^^^^^^^^^^^because
5 0
3 years ago
Suppose that X is a subset of Y. Let p be the proposition ‘x is an element ofX’ and let q be the proposition ‘x is an element of
Genrish500 [490]

Answer:

See answer below

Step-by-step explanation:

The statement ‘x is an element of Y \X’ means, by definition of set difference, that "x is and element of Y and x is not an element of X", WIth the propositions given, we can rewrite this as "p∧¬q". Let us prove the identities given using the definitions of intersection, union, difference and complement. We will prove them by showing that the sets in both sides of the equation have the same elements.

i) x∈AnB  if and only (if and only if means that both implications hold) x∈A and x∈B if and only if x∈A and x∉B^c (because B^c is the set of all elements that do not belong to X) if and only if x∈A\B^c. Then, if x∈AnB  then x∈A\B^c, and if x∈A\B^c then x∈AnB. Thus both sets are equal.

ii) (I will abbreviate "if and only if" as "iff")

x∈A∪(B\A) iff x∈A or x∈B\A iff x∈A or x∈B and x∉A iff x∈A or x∈B (this is because if x∈B and x∈A then x∈A, so no elements are lost when we forget about the condition x∉A) iff x∈A∪B.

iii) x∈A\(B U C) iff x∈A and x∉B∪C iff x∈A and x∉B and x∉C (if x∈B or x∈C then x∈B∪C thus we cannot have any of those two options). iff x∈A and x∉B and x∈A and x∉C iff x∈(A\B) and x∈(A\B) iff x∈ (A\B) n (A\C).

iv) x∈A\(B ∩ C) iff x∈A and x∉B∩C iff x∈A and x∉B or x∉C (if x∈B and x∈C then x∈B∩C thus one of these two must be false) iff x∈A and x∉B or x∈A and x∉C iff x∈(A\B) or x∈(A\B) iff x∈ (A\B) ∪ (A\C).

8 0
3 years ago
What is the mode for the following set of numbers 1,1,2,2,2,3,3,4
aleksklad [387]
Mode = 2
hope it helps
----------------------------
5 0
3 years ago
Read 2 more answers
The sandwiches at the bakery come in four sizes:
kaheart [24]
13 kids sandwiches X 4 inches = 52 inches  
22 small sandwiches X 6 inches = 132 inches
17 medium sandwiches X 8 inches = 136 inches
17 large sandwiches X 12 inches = 204 inches

52+132+136+204= 524 inches = 43.66 feet = 43.7 feet

7 0
3 years ago
HELP ASAP I DONT GET IT ITS DUE IN 14 MINS
Oksanka [162]

Answer:

110.5 i think D

Step-by-step explanation:

just me doing work vvvvv

65 + 45.5 = 110.5

---

7 x 6.5

45.5

7 0
2 years ago
Read 2 more answers
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