Answer:
2 is the answer
Step-by-step explanation:
3/5+7/5
3+7/5( if the denomeneter are same we can write one number )
10/5
2 is the answer ( divide both numbers by 5)
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Let x = age of jack
Let y = age of Lacy
x=3y (Jack age is 3 times that of Lacy)
(x+y)-8 = 25
Substituting value of x:
(3y+y) -8 = 25
4y - 8 = 25
4y = 33
y = 33/4 = 8.25 or 8 years 3 months (age of Lacy)
x = 3(8.25) = 24.75 or 24 years 9 months (age of Jack)
Checking:
Substituting in equation ( x + y ) -8 = 25
24.75 + 8.25 - 8 = 25
25 = 25
Answer:
divide 90 and 30 to see what you got
Step-by-step explanation:
From the given data in the study of texting speed, we can identify the following
1)
a) population; is all the individuals belonging to the age group of 18-22 years
b) sample; is the selected 45 adults in the age group of 18-22 years
c) unit / individual: adults
d) Response: time taken to write "hi! what's up?"
2)
<h3>The response variable is </h3>
- A continuous - quantitative variable.
It is a continuous variable as it can take an infinite number of possible values.
<h3>The level of measurement is</h3>
- Measured by the ratio scale of measurement.
variables measured by the ratio scale of measurement have equal differences between scale values and equal quantitative meaning. They also have a true zero point
For more information on response variable, visit
brainly.com/question/14662435?referrer=searchResults
Answer:
23.7
Step-by-step explanation:
sum of pages divided by number of days spent
