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johnbobjones
31.10.2019 •
Mathematics
6(4x+5)=3(x+8)+3 round to the nearest hundredth
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Ответ:
x = -0.14
Step-by-step explanation:
Given that:
6(4x+5)=3(x+8)+3
By simplifying:
24x + 30 = 3x + 24 +3
Taking terms with x to left side and others on right side
Sign will be changed when transferring term from one side to other
24x - 3x= 24 + 3 -30
21x = 27 - 30
21x = -3
x= -3/21
x= - 0.142857...
By rounding off to nearest hundredth
As the third decimal place (2) is smaller than 5Previous digit will remain same so,x = -0.14
I hope it will help you!
Ответ:
Ellis will need 244.92 ft2 of paint.
Step-by-step explanation:
First we need to find the surface area of one fencepost.
The fencepost is cylindrical, so the surface area is given by the equation:
If the height of the fencepost is 6 feet and the radius is 0.5 feet, we have:
The surface area of the 12 fenceposts is:
Ellis will need 244.92 ft2 of paint.