No, one, or infinitely many solutions
1 answer:
Answer:
one, no, one, infinitely
Step-by-step explanation:
a. you can get 7x = 21 - 21 = 0 ==> x = 0
b. subtract 12x from both sides ==> get 15 = -15, which is not true
c. -5x-5x=25+25 ==> -10x = 50 ==> x = -5
d. get -2x -6 -7 = -2x - 6 - 7 ==> so it's infinitely
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He needs to buy 3.6 spools but I guess that wouldn't be possible in real life so he needs to get 4 and then has some leftover.
12 3/5 / 3 1/2 = 3.6
Answer:b
Step-by-step explanation:
The answer is the one that is $42. It is the lowest cost for the amount of flannel you get and the quality.
(10/n +6) -3
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Hope this helped!
Answer:
coin flip is 1/2
2 numbers are less than 3 so 2/6 = 1/3
1/2 x 1/3 = 1/6 probability total
240 x 1/6 = 40
answer is C) 40
Step-by-step explanation:
