Answer:
-4
Step-by-step explanation:
You can think about it this way: What number do I subtract from 6 to get 2.
Answer:
10 hours and 30 minutes.
Step-by-step explanation:
Hope it helps
Answer:
the second one
Step-by-step explanation:
trust me i've done this before
Answer:
AB=18cm
Step-by-step explanation:
sabendo que sin∅=0.6 então
0.6=AB/30cm ⇒ AB=0.6*30cm ⇒ AB=18cm
Answer:
(1,-1)
Step-by-step explanation:
y = -1
5x+7y = -2
Substitute the first equation into the second
5x + 7(-1) =-2
5x -7 = -2
Add 7 to each side
5x-7+7 = -2+7
5x= 5
Divide by 5
5x/5 = 5/5
x =1
(1,-1)