As scientists conduct their research, they make observations and collect data. The observations and data often lead them to ask why something is the way it is. Scientists pursue answers to these questions in order to continue with their research.
Oh sorry to disappoint u i got the answer wrong lol i tried
<span>-5x+2y=9 3x+5y=7
-3x -3x
5y=-3x+7
5 5 5
y=-3/5x + 1.4
so um maybe -1,2
i suck. </span>
Answer:
r = -46/3
Step-by-step explanation:
-3(r+2)=40
Distribute
-3r - 6 = 40
Add 6 to each side
-3r-6+6 = 40+6
-3r = 46
Divide by -3
r = 46/-3
r = -46/3
Answer:
y = -2+
and y = -2 - combined, or 
Step-by-step explanation:
substitute y for x and x for y
this is technically the inverse but I will simplify further
x = 
± = y+2
y = -2±
y = -2+ and y = -2 - combined
Answer: d = ±10
<u>Step-by-step explanation:</u>
169 = 
+ 
169 = (12)² + 
169 = 144 +
25 =
100 = d²
√100 = √d²
±10 = d
