Answer:
x > 39 hours
Step-by-step explanation:
Let x be the number of hours she worked.
11x - is how much she would get paid for working for x hours
11x + 20 > 450
11x > 430
x > 39 hours
Hope that helped!!! k
Answer:
B is the correct answer.
Step-by-step explanation:
12xy - 36xz
12 and x are common factors.
12x(y - 3z)
Hope it helps.
Answer:
f'(x) = 2x + 
Step-by-step explanation:
differentiate using the power rule
( a
) = na
Given
f(x) = x² -
+ 9 = x² - 4
+ 9 , then
f'(x) = 2x + 12
= 2x + 
Yes, it would only be irrational if the numbers had no end, (not repeating like .6666666…)
decimals that end, or repeat the same pattern are rational numbers.