Answer:
-12
Step-by-step explanation:
2(6a-2b)-8(-2)
=2[6(-1)-2(4)]+16
=2[-6-8]+16
=2[-14]+16
=-28+16
=-12
Answer:
30 hours
Step-by-step explanation:
30+45x=60+45x
45x=30+45x
x=30
The product of the gift and another sum is 1 (27,18)
You can only draw one line containing three collinear points. Indeed, for any two distinct points, there's only one line that passes through both points.
<span>Of course, there are countless different ways to write the equation of such a line, but if you graph them (or algebraically manipulate the equations), they all turn out to be the same line.</span>
Answer:
Step-by-step explanation:
Given in the data set as
26, 34, 38, 49, 65, 76, 81
Sum = 369
No of entries = 7
Mean =52.71
When 1213 is included
New sum = 1582
No of entries =8
New mean = 197.75
Thus mean increases by 145.04
