6+3=9 because if you put 9-6=3 and they are fact families
x÷-9≥3 then you multiply by -9 so after it will be x≥-27
Make a porportion
15 100
---- = ------
75 x
now cross multiply and divide
100 times 75 divided by 15=500
5oo minutes in school
Answer:
Hi there!
The correct answer is:
a. 27831.05
Step-by-step explanation:
Since they gave you the equation for the line of best fit: y = 1.9x + 21
a. solve for x: 52900= 1.9x + 21
minus 21 on both sides to get 1.9x = 52879
then divide 1.9 on both sides to get x= 27831.05