Mental math is something that can be done i your head.
for example you can do 1+1 in your head and you dont need a calculator or paper to do it so i would be called mental math
Hope this helps
remember if you ever need anything and you dont want to waste points you can just post it on my pfp or message me the question
Simple.....
you have:
-3ab--->> a=-2 b=-5
Or-->>
-3(-2)(-5)
Simplify....
-3(10)
-30
Thus, your answer.
Answer:
i hope find help but i dont know
Step-by-step explanation:
Answer:
13in
Step-by-step explanation:
13in because if you add all
Answer:
a = 4/27 - b/81
Step-by-step explanation:
27a + 1/3 * b = 4
Subtract the term with b from both sides.
27a = 4 - 1/3 *b
Divide both sides by 27.
a = 4/27 - 1/81 * b
a = 4/27 - b/81
