Answer:
Using a Graph of a Line Identify the x-axis. A coordinate graph has a y-axis and an x-axis. The x …
Using the Equation of the Line Determine that the equation of the line is in standard form. The …
Using the Quadratic Formula Determine that the equation of the line is a quadratic equation. A
Step-by-step explanation:
Yes 90 is 1/10 of hundred
Tammy's sample may not be considered valid because, on the first hand, it is said that she only asked students from her " Math Class".
If she wants to have a survey to find out the favorite subject of the students at her school, she must conduct a survey involving all the students in her school, not just in her class. What she did is just subjective. She should use a tally listing the different subjects and compare the number of students per subject. This way, she can have an objective representation of the least liked subjects and the most liked subjects of the students on her school.
Illustrating her survey through statistics may be more reliable and valid because it shows frequencies in which she can calculate easily and accurately the percentage of the number of students per subject, in a more objective manner.
Answer:
yes, yes
Step-by-step explanation:
B={1,2,3} it doesn't matter if it has ten 2's or one!
so A=B and A⊆B