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Montano1993 [528]
3 years ago
10

if the results of the survey were claimed to indicate that 7.7% of adults in the country who own digital cameras plan to replace

their camera in the next 12 months would you say is this statement is descriptive or inferential
Mathematics
1 answer:
Elena L [17]3 years ago
8 0

The above statement is inferential in its approach.

Step-by-step explanation:

Inferential results are deferred results meaning results are deduced from the above assumptions or survey.  

As per the results of the survey, 7.7% of adults in the country owning a digital camera and are in process to replace their camera in the coming 12 months.

This means that the survey formed the basis of the above-made deduction that of all the 7.7% adult who owns a camera is planning to replace it. Hence the statement is inferential in its approach.

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If four tires can be changed in 3/4 of an hour gow long would it take to change 19 cars​
kobusy [5.1K]

Answer:

14.25 hours

Step-by-step explanation:

Four tires = 3/4 of an hour

=> 1 car = 3/4 of an hour

=> 19 cars = ?

=> If 1 = 3/4

=> 19 = 3/4 x 19

=> 3/4 x 19

=> 57/4

=> 14.25 hours

So, it would take 14.25 hours for 19 car's tires to be changed.

5 0
3 years ago
Help me someone:((!!!!!
LiRa [457]

Answer:

Hope this helps!

Step-by-step explanation:

2L + 3S = 83

 

4L + 8S = 197

 

Multiplies the top equation by -2.

-4L + -6S = -166

 

4l  + 8S = 197

 

 

Adding them together...

 

2S = 31

 

S = 31/2 = 15.5

 

Plugging into the first equation:

 

 2L + 3S = 83

 

 2L + 3(15.5) = 83

 

2L + 46.5 = 83

 

2L = 83 - 46.5

 

2L = 36.5

 

L = 36.5/2 = 18.25

 

check:

 

2L + 3S = 2(18.25) + 3(15.5) = 36.5 + 46.5 = 83

 

4L + 8S = 4(18.25) + 8(15.5) = 73 + 124 = 197

 

The Large box weighs 18.25

The small box weighs 15.5

6 0
2 years ago
Helpppo:)))))) pleaseeee
velikii [3]

Answer:

32

Step-by-step explanation:

Step 1: Define

f(x) = 3x² - 5x - 4

g(x) = -4x - 12

Step 2: Find f(g(x))

f(g(x)) = 3(-4x - 12)² - 5(-4x - 12) - 4

f(g(x)) = 3(16x² + 96x + 144) + 20x + 60 + 4

f(g(x)) = 48x² + 288x + 432 + 20x + 64

f(g(x)) = 48x² + 308x + 496

Step 3: Find f(g(-4))

f(g(-4)) = 48(-4)² + 308(-4) + 496

f(g(-4)) = 48(16) - 1232 + 496

f(g(-4)) = 768 - 736

f(g(-4)) = 32

3 0
3 years ago
What is 2.5 simplified
Nuetrik [128]

Step-by-step explanation:

2.5 =  \frac{25}{10}  =  \frac{5 \times 5}{2 \times 5}  =  \frac{5}{2}  \\

3 0
3 years ago
Hope someone can help me with this
sergeinik [125]

That would be Nets 1, 4 and 5.

6 0
3 years ago
Read 2 more answers
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