Step-by-step explanation:
let no. of hours be x.
45x - 12 ≥ 117
45x ≥ 129
x ≥ 2.8667 (5sf)
therefore, 3 hours (round up to next whole number).
Topic: inequalities
If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!
Answer:
This is false because any number divided by 0 is undefined.
Yes, i<span>n mathematics, a </span>rational number<span> is any </span>number<span>that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.</span>
7.3 is the range
Step-by-step explanation:
The range of a set of data is the difference between the largest and smallest values.
