5. Completa estos patrones:
a. 0.03 0.3 __________ 30 __________ __________
Answer: 1
Step-by-step explanation: divide 3 by 3
It would equal 84 over 3, or 28.
0.5(20x - 50y + 36) - 0.25(-100x + 40y - 12)
10x - 25y + 18 + 25x - 10y + 3
35x - 35y + 21
Answer:
5
Step-by-step explanation:
To first begin to solve this problem, keep this in mind:
- and - = +
+ and + = +
+ and - = -
- and + = -
To avoid confusion it's best to remember the above information. Also the information shows that the signs which are the same are positive so they have an addition sign and the signs that are not the same are negative so they have a minus sign.
The value of 3-(-2)
3-(-2)
Remove the brackets.
3--2
As the rule states above, signs that are the same are POSITIVE so they have an ADDITION sign.
3--2
= 3+2
= 5
