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S_A_V [24]
3 years ago
11

Calculating interests,plz help-

Mathematics
1 answer:
madam [21]3 years ago
8 0

HELLOOOOOOOOOOOOOOOOOOOOOOOOOOOOO :D

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A researcher decides to split scores on an exam into quartiles. She determines that a score of 64 is at the 25th percentile, a s
allochka39001 [22]

Answer:

Answer : A

Step-by-step explanation:

The given data is 25 th percentile is 64, 50th percentile is 74 and 75 th percentile is 80.

percentage : 25    50   75

  score        : 64    74    80

Median:- The median is obtained by first arranging the data in ascending or descending order and applying the following rule.

If the number of observations is odd, then the median is  observation

(\frac{n+1}{2}) ^{th} term

If the number of observations is even, then the median is  observation and  observations.

(\frac{n}{2}+1) ^{th}

given n=3, middle term is '74'

 In this given data the median is (M) = 74

Interquartile range IQR = median of upper half-median of lower half

                                       = 80-64

                                       = 16

                            IQR = 16

8 0
3 years ago
Casey wants to buy a gym membership. One gym has a $176 joining fee and costs $29 per month. Another gym has no joining fee and
kaheart [24]

Answer:

8 months for cost to be same, cost will be $408

Step-by-step explanation:

x = months

176 + 29x = 0 + 51x

176 = 22x

8 = x

176 + (29*8) = 408

0 + (51*8) = 408

3 0
3 years ago
Cali has 750 pounds of beans and 14 pounds of wings give me the correct answer
Nat2105 [25]
What are we doing, adding, subtracting, multiplying.....
8 0
3 years ago
Read 2 more answers
Determine all the zeros of p(x)=x^4-9x^2+20
Snowcat [4.5K]

Answer:

ANSWER

Real roots

x=5

x=7

Complex roots

x=2+3–√i≈2.0+1.73205080756888i

x=2−3–√i≈2.0−1.73205080756888i

Step-by-step explanation:

7 0
3 years ago
15 points helpppppppppp plz
Elina [12.6K]
Answer: -1.5, negative, negative

4 0
3 years ago
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