Answer:
Step-by-step explanation:
1/9 < 1/√n < 1/7
9 > √n > 7
81 > n > 49
n = 50, 51, 52, ..., 80
n has 31 possible values
Answer:
15
Step-by-step explanation:
The median is the middle number of a sequence. To find the Median, place the numbers in value order and find the middle.
In value order: 12,13,13,15,16,19,32
The middle number is 15
Answer:
AB = 4.73
Step-by-step explanation:
Given BC = 2 and A = 25
°
To find AB we have to use sin function in trig equation:
sin A = BC/AB
sin 25° = 2/AB
Multiply both sides by AB
AB x sin 25° = 2
AB x 0.42 = 2
Dividing the equation by 0.42
AB = 4.73
Answer: 8% interest rate
Step-by-step explanation: intrest = 484
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