Answer: 23.5m
Step-by-step explanation:
D. The greatest a can be is 9 and the greatest b can be is 4. a+b= 13 which is less than 20
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➷ You need to know these rules to do this:
Two different signs next to each other, make a negative sign
Two signs that are the same, make a plus
The answer = 7
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Answer:
21.897 to the nearest hundredth is 2.19
Answer:
(2) Real and equal (i.e., repeated roots), if D = 0.
Step-by-step explanation:
.In a quadratic equation ax2 + bx + c = 0, if discriminant is D= b2 - 4ac, then roots of the quadratic equation are
Real and equal (i.e., repeated roots), if D = 0.
If the D > b² - 4ac then it's real and distinct.