You are trying to isolate the variable (n) so you would subtract 7.4 on both sides. Therefore n=5.3-7.4 which equals -2.1
Answer:
130 meters
Step-by-step explanation:
just add an extra zero at the end of 13
A positive derivative means that the function is increasing.
Answer:
Step-by-step explanation:
The answer choices suggest there is a common factor of (x+2) that can be removed from numerator and denominator.
The denominator factors as ...
The numerator obviously has no factors of x. We can try any of several means to determine if (x+2) is a factor. I tried synthetic division and found that the numerator can be written as ...
Then the expression simplifies to ...
Answer:
399 minutes a month
Step-by-step explanation:
As I understand the question the answer would, in other words, be how many minutes you can long-distance call with the economy plan for under $30.
The unit ratio is 5 cents per minute, which equates to 20 minutes worth of call time for one dollar (100/5).
The economy plan is $20 cheaper than the deluxe plan. $20 spent on long-distance calling gets you 400 mintues, but the question asks for an integer that would still leave remaining money.
Therefore the answer is 399 minutes of long-distance calling, which would leave five unspent cents.
