For this case we have to represent the following expression algebraically:
"10 less than x is -45"
So:
10 less than x is represented as:
Then, the complete expression is represented as:
Adding 10 to both sides of the equation:
Thus, the value of the variable is
Answer:
Answer:
100.48 feet
Step-by-step explanation:
The circumfrence of a circle is represented in the equation C=2\pi r^{2}
So we input the values into the equation C=2(3.14)(4)^2 which when entered into a calculator gives you 100.48feet
Answer:
40
Step-by-step explanation:
Answer:
64
Step-by-step explanation:
(3x+5)^2 = ax^2 +bx+c
FOIL the left side
(3x+5) (3x+5)
9x^2 +15x+15x+25
Combine like terms
9x^2 +30x+25
a=9
b= 30
c= 25
a+b+c = 9+30+25 = 64