Step-by-step explanation:
3x²+4=31
3x²=31-4
3x²=27
x²=27÷3
x²=9
x=±3
The radius of a circle is always the square root of the number on the right. The other two numbers describe the center.
Center: (11,-15) Opposite of what's in the brackets.
Radius: sqrt(144) = 12
Answer:
x= 3s -8
3 times Sarah's age is 3s hence the expression is as shown
Answer : The order of employees from the greatest to the least unit rate in dollars per hour is:
Rate of Arianne > Rate of Francois > Rate of Garrick > Rate of Carissa
Step-by-step explanation :
First we have to calculate the rate of employees in dollars per hour.
Rate of Francois =
Rate of Carissa =
Rate of Garrick =
Rate of Arianne =
The order of employees from the greatest to the least unit rate in dollars per hour is:
Rate of Arianne > Rate of Francois > Rate of Garrick > Rate of Carissa