A: -5/18
B:1 and 16/35
C: 7/30
D: 7/8
Answer:
C. b²< 40
Step-by-step explanation:
2x²+ bx + 5=0 has no real solutions
=> D< 0
b² < 4ac
b²< 4(2)(5)
b²< 40
Answer:
58 degrees or [30, 88]
Step-by-step explanation:
In such a context, the word "range" can have different meanings. On the one hand it is the difference between high and low:
88 -30 = 58 . . . . range of temperatures
__
On the other hand, it is the interval between (and including) the high and low:
[30, 88] . . . . temperature range
Answer:
30
Step-by-step explanation:
following the bodmas rule
we will get the answer 30