Answer:
(-65/23, 72/23)
Step-by-step explanation:
Easiest and fastest way to do this is to graph the systems of equation on a graphing calculator, then analyzing the graph to see where they intersect. The intersection point is your solution to the systems of equations.
Answer:
right the whole question
Step-by-step explanation:
if he sold 32 items this week last week he sold 20
They are parallel to each other
Answer:
29
Explanation:
Let John be x years old.
Michael is <span>x+17</span> years old.
In four years time, the sum of their ages will be 49:
<span>x+x+17+2<span>(4)</span>=49</span>
<span>2x=24</span>
<span>x=12</span>
So Michael is <span>12+17=29</span> years old now.
It is D.
Reason. 3^2 is 9, 4^2 is 16.
16+9= 25
The square root of 25 is 5.
Therefore it is D.