Answer:
the mean is 7
Step-by-step explanation:
5+8+9+4+8+5+9+7+8=63
63/9=7
28/7=4km is car journey covered by car in 1l
64/4=16l
The final answer is B because you just add all three together. Hope you get it!
I believe it should be about 40% because you divide 120min(2hrs) by 48min and get 2.5 then you divide 100 by 2.5 and get 40%
8k - 6 = 10k + 6
K= -6
Rearrange:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
8*k-6-(10*k+6)=0
Step by step solution :
STEP
1
:
Pulling out like terms
1.1 Pull out like factors :
-2k - 12 = -2 • (k + 6)
Equation at the end of step
1
:
STEP
2
:
Equations which are never true:
2.1 Solve : -2 = 0
This equation has no solution.
A a non-zero constant never equals zero.
Solving a Single Variable Equation:
2.2 Solve : k+6 = 0
Subtract 6 from both sides of the equation :
Which gives k = -6
