Answer:
-5.55 - 4.2c
Step-by-step explanation:
-5.55 - 8.55c + 4.35c
'-8.55c' and '4.35c' are like terms because of them containing the same variable of 'c'.
Combine:
-5.55 - 8.55c + 4.35c
-5.55 - 4.2c
Hope this helps.
Answer:
-4
Step-by-step explanation:
Simplify the equation by dividing both numbers by 5. You will get -4/1. A 1 as a denominator is usually ignored.
The <em><u>correct answer</u></em> is:
They had no placeholding zero.
Explanation:
Our numbering system is one of few known to have a numeral for zero. Mayans did; however, theirs never traveled the world. Babylonians were thought to have a mark for nothing, but it was more for punctuation than numerals. Neither the Romans nor the Egyptians had a number for 0 either.
Zero is key to our system of numbering, as it helps us hold place as well as representing nothing. Without it, it is easier to represent problems in words.
48 cubes can be packed into shape
Answer:
I think it is the last one .
Step-by-step explanation:
Hope this helps!
Sorry if I'm wrong.