X^2 + 4x -21
= (x +7)(x - 3)
hope that helps
7.1 degrees.
5.7-(-1.4)
5.7+1.4= 7.1
Hope I helped!
Answer:
Step-by-step explanation:
Answer:
T < - 4°C
Step-by-step explanation:
Given that Mariana wears her coat only when temperature is colder than - 4°C
Recall that lower temperature values indicate higher degree of coldness ;
Hence, Mariana will only wear her coat when temperature values are lesser than - 4°C ; this means that the temperature at that period is colder than - 4°C.
Hence, the inequality expression which is only true for temperatures when Mariana wears her coat can be written as :
Temperature = T
T < - 4°C
