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ShundaBaker
06.09.2020 •
Mathematics
What is the solution to the inequality - 3x <7.5?
x<-2.5
x> -2.5
x < -22.5
X > -22.5
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Ответ:
-3x<7.5
Divide both sides of the inequality by and flip the inequality sign
-3x ÷ (-3) > 7.5 ÷ (-3)
-3x ÷ (-3)
Any expression divided by itself equals 1
x > 7.5 ÷ (-3)
7.5 ÷ (-3)
|
X > -2.5
Ответ:
1. Equation are,
d(t)= 6 t+2 is the equation for team A
and, d(t) = 6 t is the equation for team B
2. No , team B will not catch up to team A.
Step-by-step explanation:
Here, Team A is traveling 6 miles per hour and is 2 miles ahead of Team B.
x represents the number of hours
Then the total distance covered by A in t hours,
d(t)=6 t+ 2
And, Team B is also traveling 6 miles per hour.
Therefore, the total distance covered by B in t hours is,
d(t)= 6 t
Since, the speed of both teams are equal and already team A is 2 miles ahead of team B.
Therefore, for catching up to team A team B must be increase its speed.
Otherwise, It can not catch up team A.