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SOVA2 [1]
3 years ago
10

News cameras take an overhead picture of a part of a crowd at an outdoor event. Journalists then count the number of people in t

he picture and use the sample to estimate the total number of people in the crowd. This process is an example of
Mathematics
2 answers:
natta225 [31]3 years ago
8 0

Answer:

D, cluster sampling

Step-by-step explanation:

aliina [53]3 years ago
4 0

Answer:

cluster system

Step-by-step explanation: For edgunity

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Casey's grandmother sent her an $85 gift card for her birthday last year. This year, she sent her a $125 gift card. Which propor
EleoNora [17]
The answer is 0.68 or 68%

4 0
3 years ago
Read 2 more answers
The functions f(x)=−3/4x+2 1/4 and g(x)=(1/2)^x+1 are shown in the graph.
Svet_ta [14]
-3x/4 + 9/4 = (1/2)^x + 1
-3x/4 - 2^-x = -5/4

(Using log rules)

㏑|-3x/4| - ㏑|2^-x| = ㏑|-5/4|
㏑|3x/4| - x㏑|2| = ㏑|5/4|
e^㏑|3x/4| - e^㏑|2|x = e^㏑|5/4|
|3x/4| - 2x = 5/4
|3x| - 8x = 5
|3x-8x| = 5
|-5x| = 5
|5x| = 5
x=1, -1




3 0
3 years ago
On Monday, Avi walked from his home to the school track and walked 4 laps around the track for a total of 3.5 miles. On Saturday
anyanavicka [17]

Answer:

3.5 = x + 4*y

4 = 2x + 2*y

Step-by-step explanation:

The total distance ran by Avi is the sum of the distance from his house to the track, and the total distance ran in the tracks (that is, the distance of one lap times the number of laps Avi ran).

If we call 'd' the total distance and 'k' the number of laps, we have the equation:

d = x + k*y

So with the data given, we can have the following system:

3.5 = x + 4*y

4 = 2x + 2*y

In the second equation, we have 2x because Avi ran from his home to the track, and in the end ran back home, so Avi ran the distance x two times.

4 0
3 years ago
3.84761 to 3 decimal place
yKpoI14uk [10]
The answer is 3.848.
3 0
2 years ago
Question
Fantom [35]

Answer:

a. More than one pie

Step-by-step explanation:

2/3 + 3/4

8/12 + 9/12 = 17/12

17/12 = 1 5/12

3 0
3 years ago
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