alyssamaize

18.07.2019 • 

Mathematics

For the statement below, write the statement symbolically using parentheses and determine whether its a negation, conjuction, disjuction, conditional, or biconditional.
statement: the concert is free, or the concert stadium is full if and only if all seats are sold.
a) which symbolic statement best represents the written statement?
p: the concert is free
q: the concert stadium is full.
r: all seats are sold.
choose correct symbolic statement.
a. p v (q rightarrow r)
b. ~p v (q leftrightarrow r)
c. p ^ (q leftrightarrow r)
d. p v (q leftrightarrow r)
b) is the statement in part (a) a negation, conjunction, disjunction, conditional, or biconditional? choose one
a. biconditional
b. conditional
c. disjunctional
d. conjunction

Ответ:

Thejedipriest9929

21.10.2021

Mathematics

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here's the solution,

First term :

=》x + 3

Common difference :

=》- x - 1 - (x + 3)

=》- x - 1 - x - 3

=》-2x - 4

now,

15th term :

=》a + (n - 1)d

=》x + 3 + (15 - 1) × (-2x - 4)

=》x + 3 + (14) × (-2x - 4)

=》x + 3 - 28x - 56

=》-27x - 53

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