Number 1 is point p
Number 2 62.5 points
Answer:
Step-by-step explanation:
(13)2−(2x+7)=0
19x2−2x−7=0
9(19x2−2x−7)=9(0)
x2−18x−63=0
(x−21)(x+3)=0
Therefore, the value of x are
x - 21 = 0 and x + 3 = 0
x = 21 x = -3
Answer: the 3rd one
Step-by-step explanation:
The solution is where the two lines meet. From the the graph, it looks like
(1, -1)
Answer:
Step-by-step explanation:
In this scenario we need to isolate the variable.
Start by adding 7 to both sides:
Divide both sides by 12:
Substitute 4 for d to check our answer:
Therefore the answer is: