Answer:
yes it is
Step-by-step explanation:
squar f(x) ....=(2x^2-x-4)^2
Gym A charges $ 9 per hr......1 hr = 60 minutes
9/60 = 0.15 per minute
Gym B charges 0.75 per 5 minutes
0.75/5 = 0.15 per minute
both Gyms cost the same
Answer:
No solution
Step-by-step explanation:
I hope it helps
Answer:
2/20
Step-by-step explanation:
if you add all of the marbles you will get 20 marbles in total.
Answer:
True, the scores are not valid.
Step-by-step explanation:
The test supposed to be measuring intelligence. We can assume that the intelligence of most people relatively stable (will not change too much over a short amount of time), and can expect it should go upward with brain growth and education. But the test seems to give a huge decrease from the first and second results. Then the third result is a huge increase that even higher than the first test.
We don't know the true value of the subject, but seeing the huge gap for every repetition we can tell that the test result lacks precision.
