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jekas [21]
3 years ago
8

A biologist sets up cameras to record all the animals that come to a watering hole over a 30 day period. This is an example of w

hat kind of statistical study? Experiment Observational Study Survey
Mathematics
1 answer:
labwork [276]3 years ago
3 0
This is an example of observational study, because the biologist is not interfering or interacting with the subjects of study but just watching and registering data (recording with cameras).

The biologist is not conducting an experiment because (he is not setting up special conditions to register different responses to drive conclusions), and the biologist is not making any survey (questionnaires for example).

Answer: observational study


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tresset_1 [31]
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3 years ago
The sum of 3 times the value of x and 2 is equal to four less than five times the value of x. Which equation can be used to find
bonufazy [111]

The question has omitted  options but i will solve, so you will just check my answer from the options you have.

Answer: The equation  to find the value of x = 3x+ 2= 5x-4

The value of x= 3

Step-by-step explanation:

Step 1

The sum of 3 times the value of x and 2 is equal to four less than five times the value of x can be expressed as

3x+ 2= 5x-4

Step 2

Solving this equation  to find the value of x , we have that

3x+ 2= 5x-4

3x-5x= -4-2

-2x= -6

x= -6/-2

x=3

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3 years ago
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Answer:

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3 0
3 years ago
Solve for b in the equation: 2b + 3c = 14
bagirrra123 [75]
Remember you can do anything to an equation as long as you do it to both sides

2b+3c=14
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8 0
3 years ago
Read 2 more answers
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