Answer:
B. 10
Step-by-step explanation:
These are vertical angles meaning they are also equal.
Answer:
(x+5)²-10x²
Step-by-step explanation:
USing the completing square method
x² +25
= (x)² +2(x)(5) +(5)² -10x²
=(x+5)²-10x²
(x+1)(x-5)= 2^4=16
x^2 -4x -5 =16
x^2-4x-21=0
x= -3 or 7
but we would choose 7 as the answer as -3 gives negative value at (x+1) and we know that log of negative number is not defined.
Answer:
No Problem
Step-by-step explanation:
Answer:
First, let's define some variables.
x = # of cell phones sold.
y = total weekly income.
y = $5.25x + $80
a is the correct answer choice.
Step-by-step explanation:
