Is this a expression or inqualities 15x < x + 8
2 answers:
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Answer:
(a) S=
(B) S(average speed)=65.04
Step-by-step explanation:
Given
D=S*T
So, S=
and
T=11.5 Hr
D=748 Km.
S(average speed)==65.04 kmph
Answer:
b. (2,0)
Step-by-step explanation:
To find which ordered pair is a solution, we have to replace then into the equation, and the result has to be an identity, that is, 0 = 0.
Equation:
Option a:
, so
Not an identity, so this ordered pair is not a solution.
Option b:
, so
Identity, and thus, the correct answer is given by option b.