Answer:
Step-by-step explanation:If the number you're dividing by has a decimal, move the decimal point all the way to the right counting the number of places you've moved it to. ...
Insert a decimal point in the quotient (answer) space, exactly above the decimal point in the number under the division bar.
You have a special type of function, so you have to express the domain and range of each interval. Every aspect of this graph is closed, so you will only use brackets when writing your answers. Hence, you get [30,5] for the first interval, since there is a horizontal distance of 30 and a vertical distance of 5. You repeat the same process for each interval.
Answer:52
Step-by-step explanation:
decreased by -12 is basically adding 12. so 40+12=52
Answer: x = 39/10 y = 29/5