Answer:
(-4,-1)
Step-by-step explanation:
-3x+10y=2
-3x+3y=9
-3x=2-10y
-3x=9-3y
2-10y=9-3y
2-9=10y-3y
7y=-7
y=-1
-3x+3(-1)=9
-3x-3=9
-3x=12
x=-4
Answer:
(25,20)
Step-by-step explanation:
Ratio 5:4
5:4
10:8
15:12
20:16
25:20
<h2>Hope this helps!!~~</h2>
Answer:
I think the answer is A
Step-by-step explanation:
I just plugged in the numbers.
Answer:
C
Step-by-step explanation:
The easiest way to determine this is to realize that time is the independent variable (n) and temperature is the dependent variable (a).
From the table, we can plug in the two points (n) into n of each equation and see if that equals the temperature values (a).
<em>A little thinking would get us to plug the numbers in C first.</em>
<em>
</em>
<em>Works!!</em>
<em>Now, second number:</em>
<em>
</em>
<em>Works!!</em>
<em />
<em>Hence, C is the correct answer.</em>
4.005 , 4.045 , 4.054 , 4.405 , 4.504