Step-by-step explanation:
it is like a regular addition of numbers. you add the different positions.
3x + 7x = 10x
-y + y = 0
-5 + 15 = 10
so, D. is the right answer : 10x = 10
The surface to be paint is 4 * 12*8.5= 408 ft squared
1 gallon.......75 ftsquared
x gallon.......408 ft squared
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x= 408/75= 5,44 gallons
Answer:
If you are rounding to the nearest hundredth*, then the answer would be 5.000 or just 5.
Step-by-step explanation:
The reason why is because when you round you:
- Look to the right of the number you are rounding to see if that number is 5-9 or 4 or below. Example: 4.999← this number will determine whether you round the bold number up or let it stay the same.
- Next if the number is 5-9 then round up. Then, you change the numbers that are at the back of the rounded number to zero.(THIS IS ONLY IF YOU ROUNDED THE NUMBER!!) If it is 9 you change that number to 0 then add one to the number to the left of it. Example: 4.900, then it changes to 5.000.
-2 should be distributed to (x-3). so you would get the answer of -2x+6
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