Answer:
it would be b since a number is being taken away from 8
The only solution is (4, -1/2).
The first one is wrong, because of you substitute X and Y or in this case (12, -5/2) into 3x+2y, you get 31=11, Which is an untrue mathmatical statement.
The second one is right, for the same reason. If you substitute X and Y you will get 11=11. which is a true statement.
The third one is wrong, because you have found a true statement.
The fourth one is wrong because you found an untrue statement.
Ok ratio and proportion
realheight:shadow=15:20
slide shadow=16
therefor find realheightslide
15:20=realheightslide:16
simplify
3:4=realheight:16
fractionfy
3/4=realheight/16
multiply both sides by 16
48/4=realheight
12=realheight
aswer is 12 feet
Answer:
Landing on a 3.
Step-by-step explanation:
The probability of landing on a 3 is 3/8.
The probability of landing on a 5 is 1/8.
3/8 > 1/8