Answer:
(2x-1)(2x+1)
Step-by-step explanation:
the answer is c
Put the numbers in order
19,23,26,28,28,30,31,35,38,40,43,46
minimum = 19
maximum = 46
Q1 =(26 + 28)/2 = 54/2 = 27
Q2 (median) = (30 + 31)/2 = 61/2 = 30.5
Q3 = (38 + 40)/2 = 78/2 = 39
range = max - min = 46 - 19 = 27
Interquartile Range (IQR) = Q3 - Q1 = 39 - 27 = 12
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Answer:
9) Exact Form: 85
/24 Decimal Form: 3.541
6 Mixed Number Form: 3 13
/24
10) Exact Form: 17
/18 Decimal Form: 0.9 4
11) Exact Form:
3
/5 Decimal Form: 0.6
Step-by-step explanation:
9) Convert the mixed numbers to improper fractions, then find the LCD and combine.
10) Simplify the expression.
11) To subtract fractions, find the LCD and then combine.
Answer:
the answer is 565
Step-by-step explanation:
20% of her 1075 is 215
so 215+ 230= 565