Answer:
Step-by-step explanation: add the equations
2x² = 30
x² = 15
y² = 12 - 15
= -3
x4 -y4 = 15² - (-3)²
= 216
Answer:
7x2
Step-by-step explanation:
7x2 is 14 and all the other ones equal 7
A significant outcome is a meaningful result of an experiment as determined by statistical analysis. <span>Statistically significant results are those that are interpreted not likely to have occurred purely by chance and thereby have other underlying causes for their occurrence.</span>
Answer:
Yes.
Step-by-step explanation:
The number 3 is a <u>natural number</u>, and all of these types of numbers are rational.
Another way to look at it is if a number can be <u>written as a fraction</u>, the number is rational.
Six divided by five maybe and add a 1
