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anyanavicka [17]
3 years ago
13

Evaluate each expression.

Mathematics
2 answers:
Alex3 years ago
7 0

Answer: 15

Step-by-step explanation:

decreased means to subtract so in this case, you are subtracting 20 and 5.

tatiyna3 years ago
5 0

Answer:

15

Step-by-step explanation:if you take a way five from 20 you get 15 because 20-5 is 15

if you start at 1 and go to twenty 5 before that is 15

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I needed help but then i found the answer
Alenkinab [10]

1/2 × 5 2/3 × 3 = 5

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Tina__________ 4 by_____________ to get 16 and 9 by____________ to get 81. She should have multiplied each term by__________ num
andrew11 [14]

Answer:

multiplied 4

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Step-by-step explanation:

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7 0
2 years ago
R Problem Old Faithful is a geyser located in Yellowstone Nation Park in Wyoming. It received the name "Old Faithful" by the Was
Tpy6a [65]

Answer:

Step-by-step explanation:

The first 6 rows of the eruptions data :

eruptions waiting

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2 1.800 54

3 3.333 74

4 2.283 62

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6 2.883 55

R code :

1. You can directly access the "Faithful" data in R without importing the data. The dataset faithful is present in the R or you can load the datasets. or use install the datasets.load. package

If you have the data in a text file, make sure all the columns and rows are separated by commas

Step 1: open notepad

Step 2: enter data with no spaces but only commas

Step 3: save the file as ‘faithful.txt’ on your Desktop

# Get R help

?read.table

# Import the data

rain<-read.table("C:/Users/YOUR-NAME/Desktop/faithful.txt", header = TRUE,

                  sep = ",")

Check the data

data("faithful") #Loading Faithful data

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8 0
3 years ago
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