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nalin [4]
3 years ago
11

A researcher records the change in weight (gained or lost) during the first semester of college for each individual in a group o

f 25 freshmen, then calculates the average change in weight. The average is an example of a _______.
Mathematics
1 answer:
german3 years ago
6 0

Answer:

Statistic

Step-by-step explanation:

Generally, when we talk about statistic, we are talking about the characteristic of a sample. A statistic can be said to be a value which is calculated or computed from the values in a sample.

By applying mathematical functions in this case addition and division to the values present in the sample, we have what is now known as statistic.

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a free tailed bat can fly 232 feet in 4 seconds. A hummingbird can fly 343 feet in 7 seconds. Which can fly fast and by how much
Katarina [22]

Step-by-step explanation:

First, we need to find the unit rate of each animal (how many feet each animal can fly in a second). We do this by dividing the number of feet flown by the number of time.

Bat: 232/4 = 58 ft per second
Hummingbird: 343/7 = 49 ft per second

Based off of this information, we can conclude that the bat can fly faster than the hummingbird.

7 0
2 years ago
Read 2 more answers
I need to know the answer
Y_Kistochka [10]

Answer:

y=3.65

X=11.85

Step-by-step explanation:

sin(60)=y/12

sin(60)×12=y

y=3.65

sin(30)=X/12

sin(30)×12=X

X=11.85

5 0
2 years ago
How to factor a quadratic when a isn't 1?
kondaur [170]
The answer is between 23 through 2. dont want to give the answer up :D hope this helps
3 0
3 years ago
How many hours will it take a culture of bacteria to increase from 20 to 2000 if the growth rate per hour is 85%
galben [10]

Answer:

Approximately

7.5

hours

Step-by-step explanation:

Explanation:

We are trying to determine the value of

h

in the compound growth formula

XXX

20

×

(

1

+

0.85

)

h

=

2000

or, simplified:

XXX

1.85

h

=

100

Taking the

log

1.85

of both sides:

XXX

log

1.85

100

With the aid of my trusty spreadsheet:

XXX

h

≈

7.48582192

3 0
3 years ago
30 divided by (21-6)•4-27+82
damaskus [11]
Rounded 62 .1
But it goes on for a while but its 62.58...
7 0
3 years ago
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