Answer:
Its a quadratic function
Step-by-step explanation:The formula concludes to a quadratic function.
One way is to move the 4 to other side so it would be x = 13 - 4 and that's x = 9
Rational. Irrational are numbers that cannot be written as fractions. 8 can be written as a fraction. 8/1
Answer: False
Step-by-step explanation:
398 + 9 = 407
400 + 8 = 408
If the equation was 398 + 10 then yes it will be equal to 400 + 8
Answer:
x = 20
Step-by-step explanation:
19 < x < 25
x had to be higher than 19 but lower than 25
18 cant be the answer because it is less than 19
27 cant be the answer because it is higher than 25
that leaves 20, which is the right answer
19 < 20 < 25