A dvd collection had 6 comedies, 10 westerns, 14 romance, 3 horror, and 7 mysteries. what percent of the collection was comedies
1 answer:
15% of the collection was comedies.
Step-by-step explanation:
Given,
Number of comedies = 6
Number of westerns = 10
Number of romance = 14
Number of horror = 3
Number of mysteries = 7
Total = 6+10+14+3+7= 40
Percent of comedies =
Percent of comedies =
Percent of comedies = 15%
15% of the collection was comedies.
Keywords: percentage, addition
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Answer:
The correct answer is a. $2275.28; b. 17.04 years
Step-by-step explanation:
Principal to be invested is $2000
Interest rate (r) per year is 6.5 quarterly.
Interest is calculated compoundly.
a. Time (t) for the investment is given to be 2 years.
Amount after two years is = Principal × where the value of n is 4.
⇒ A = 2000 ×
⇒ A = $2275.28.
b. Now the value of A is given to be triple the principal = $ (3 × 2000).
Therefore we need to find the value of t.
⇒ 3 × 2000 = 2000 ×
⇒ ㏑ 3 = 4t × ㏑ ( 1.01625)
⇒ t = 17.04
Therefore it would take 17.04 years for the principal to triple.
Answer:
-1.3
Step-by-step explanation:
The graph shows the straight line passing through the points (3,-1) and (-3,7).
The slope of the line passing through the points and
is
In your case, the slope is
The rate of change is -1.3