So electricity costs 15cents every 1,000 watts used, and if he watches tv for 2hrs every day for a month that’s 60 hours (2*30) And every hour he watches tv it’s 150 watts. They want you to do the 60 hrs times 150watts which is 9,000 (amount of watts he uses in the month) and remember 1,000 watts is 15cents
Nope.
Natural numbers consist of 1, 2, 3, 4 and so on. Integers, on the other hand, include 0 and the opposites of natural numbers (negative values). Therefore not all integers are natural numbers. Some of them are though.
Step-by-step explanation:
1. 120+21 =141
2. 21-3=18
3. 7x-21
4. 4x+20
5. 45+100=145
6. 40+5c
7. 20+22r+26s
Im not too sure about the other question
The actual size of the painting is 39 units by 51 units
