The distance formula is d=\sqrt{(x_{2}, x_{1})^{2} +(y_{2}, y_{1})^2
7=x1
4=y2
-8=x2
4=y2
Just plug in the missing values into the equation and solve the equation :)
Answer:
B. -y = -x
Step-by-step explanation:
When the values on both sides of the equal sign are changed, it becomes a negative number.
Answer:
The first option
Step-by-step explanation:
Answer:
Step-by-step explanation:
Here, the money saved each week follows geometric progression with a common ratio r= 2 and first term a= 6.
In geometric progression, nth term =
Substitute r= 2 , a= 6 and n=w, we get
wth term =
The equation can be used to determine the number of pennies, P, Lola will save during week w of saving pennies: