Answer:
Explanation:
The given addition exercise is:
The LCM of the denominator (5 and 3) = 15
Multiply 2/5 by 3/3
Multiply 1/3 by 5/5
The addition becomes
Therefore, we can fill in the vacant boxes as shown below:
U.S. soybeans average 39% protein. A bushel of soybeans weighs 60 lbs. How many pounds of protein are in a bushel? A 120-acre fi
1 answer:
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Answer:
B: a = 1, b= 7, c = -2
Explanation:
Knowing This:
<u>solve for b</u>
- -b = -7
- b = 7
<u>solve for a</u>:
- 2a = 2
- a = 1
<u>solve c</u>:
- b² - 4ac = 57
- 7² - 4(1)(c) = 57
- -4c = 57 - 49
- -4c = 8
- c = 8/-4 = -2