Answer:
-8 + 10 = 2
Addictive inverse of 8 is -8
Upon first glance of an equation one must look first for parenthesis and solve the contents therein. Next one would need to identify and simplify exponents. Once these steps are well done one needs to look at the whole equation from left to right and solve for any multiplication or division problems and solve them in the order in which they appear. Next one must again look at the equation left to right and solve for any addition or subtraction in the order that they appear within the equation.
Answer:
2:1
Step-by-step explanation:
90-60 = 30 red marbles
blue:red → 60:30 → 2:1
The total mass of the living things on the farm is 588 kg.
<h2><u>Mass calculation</u></h2>
Since on a farm there was a cow, 2 sheep and 3 chickens, to determine what is the total mass of the 1 cow, the 2 sheep, the 3 chickens, and the 1 farmer on the farm, the following calculation must be performed :
- (6.2 x 10) + (4 x 10 x 10) + (2 x 6 x 10) + (3 x 2 x 1) = X
- 62 + 400 + 120 + 6 = X
- 588 = X
Therefore, the total mass of the living things on the farm is 588 kg.
Learn more about mass calculation in brainly.com/question/14695611
