The amount of money she spends per year on utility bills for the air conditioner is; D: $176.40
<h3>How to solve algebra word problems? </h3>
We are told that;
Cost of running the air conditioner = 7 hours per day
Cost of running the air conditioner = 21 cents per hour = $0.21 per hr.
She runs it for four months at 7 hours per day. Thus;
Total number of hours for the 4 months = 7 × 30 × 4 = 840 hours
Total cost for the 4 months = $0.21 per hr. × 840 hours = $176.4
Read more about algebra word problems at; brainly.com/question/21405634
Answer:
<h3>0.36 x 10⁰</h3>
Step-by-step explanation:
T⁴ - 5qt² - 24q²
(t² + 3q)(t² - 8q)
t⁴ - 8qt² + 3qt² -24q²
t⁴ - 5qt² - 24q²
The answer is (t² + 3q).
Answer:
29 and 31 are the only primes.
Answer:
A. he should subtract 1 1\2 instead of adding it
B. he should subtract 1 1\2 instead
C. the answer should be 3 3\22 instead of 6 3\22
Step-by-step explanation:
so to solve for 3 3\22:
4 7\11 - 1 1\2
4 14\22 - 1 11\22
= 3 3\22