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lidiya [134]
4 years ago
7

How to find interest using numbers other than 100 and having your answer be a percentage.

Mathematics
1 answer:
777dan777 [17]4 years ago
3 0
To find simple interest, you can use this formula: I=prt. 
I=interest
p=principal
r=rate
t=time (years)
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a manager bought some stamps she gave 1/3 of them to the cashier and 1/5 of them to her secretary.if the secretary received 40 f
AfilCa [17]

Answer:

The cashier received 100 envelopes

Step-by-step explanation:

let the number of stamps bought be x.

Cashier will receive 1/3 *x = x/3

Secretary will receive = 1/5 * x = x/5

Now we are told that the secretary received 40 fewer.

This means that the difference between the amounts they received is 40

Mathematically;

x/3 - x/5 = 40

2x/15 = 40

x = (15 * 40)/2 = 600/2 = 300

The cashier received x/3 = 300/3 = 100

4 0
3 years ago
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3. Penelope invested $6650 into three investment accounts, earning 8%, 12.5%, and 7.5% simple interest per
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3 years ago
Investigating Hollywood Movies
erik [133]

Answer:

a. Genre with highest mean is drama. Mean is 72.10

B. 10.46 is difference between means of comedy and horror

C. Horror has the lowest minimum value at 25.00

Action and comedy both have the highest maximum value at 93.00

Step-by-step explanation:

First create a table with the data provided like I did in the attachment. It would give a clearer picture of what your answers should be.

1. Which genre has the highest mean score?

From the table, we have the means as:

Action = 58.63

Comedy = 59.11

Drama = 72.10

Horror = 48.65

The genre with the highest score is drama at 72.10

2. Difference in mean score between comedy and horror

Mean of comedy = lc = 59.11

Mean of horror = ly = 48.65

Difference = lc-ly

= 59.11 - 48.65

= 10.46

3. The genre with lowest score is the genre with the lowest minimum value. This genre is horror and the lowest minimum is 25.00

The genre with highest minimum value is that whose maximum value is the highest out of all the genres. Both action and comedy have the highest maximum value at 93.00

7 0
3 years ago
Mean, Median, Mode And Range What Do You Do For Each Of These
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Mean, Median: Is the middle number of the ordered data or the mean of the middle two numbers

Mode: The number or numbers that occur most often

Rage: The difference between the lowest and highest values

Example:

5, 6, 6, 9, 11, 13, 13, 13, 24, 28, 33, 48

Median and Mean: 13
Because is the middle number

Mode: 13
Because is the number that repeats more often

Rage: 43
Because 48 the highest number minus 5 the lowest number equals 43
48-5=43
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3 years ago
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Research Team A grows bacteria in a Petri dish. There are initially 200 bacteria in the
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I’m thinking it’s C but I’m not too sure!!!
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