Since ad, bc, and bd are integers since integers are closed under the operation of multiplication and ad-bc is an integer since integers are closed under the operation of subtraction, then (ad-bc)/bd is a rational number since it is in the form of 1 integer divided by another and the denominator is not eqaul to 0
Step-by-step explanation:
A: Andrew has 45 bricks and he uses 1/3 of them to build his house. He then divides the amount of bricks he has by 1/6 for his friend to have to build his shed. He all together needs to buy 272 bricks.
B:I honest to God don't know what that would be
C:45 is the number of bricks Andrew currently has. He only needs 1/3 of them and he needs 1/6 of that for his friend
Magazines that cost $3.95 each, <span>m represent the number of magazines
</span>books that cost $8.95 each, <span>b represent the number of books
</span><span>total of $47.65
</span><span>
so
equation
3.95m + 8.95b = 47.65</span>
Answer:
1. is 0.9 or 9/10. 2. is 43/36 or 1.19
Answer:
<em>-4</em><em>×</em><em>(</em><em>-5</em><em>)</em><em>=</em><em>20</em>
<em>have a nice day</em><em> </em><em><</em><em>3</em>
