Answer:
Let the hours when they equalize=h, then we have:
12.25 + .13h=13 - .09h
.13h + .09h=13 - 12.25
.22h=.75 divide both sides by .22
h=.75/.22
h=3 9/22, hours, when they will equalize.
Step-by-step explanation:
google lol i dont know whats going on here but.....
Answer: 4
Step-by-step explanation:
so you basically make the + sign into a - sign as when there is a + and - sign next to each other it will always change into a - sign so once you do that it will look like this
11+(-7)
11-7
4
Step-by-step explanation:
it's 2x²+8x
and I cannot understand your question
<em>Greetings from Brasil...</em>
Its attached the diagram of the situation.....