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Vesna [10]
1 year ago
9

Decide whether the following scenario is an observational,

Mathematics
1 answer:
VMariaS [17]1 year ago
4 0

The scenario is an observational study, done by the teacher.

The correct option is (B)

<h3>What is Observational study?</h3>

Firstly,  A type of study in which individuals are observed or certain outcomes are measured. No attempt is made to affect the outcome.

Survey is defined as the act of examining a process or questioning a selected sample of individuals to obtain data about a service, product, or process.

Experimental research, also called experimentation, is research conducted using a scientific approach using two or more variables.

If we look at the question, the teacher was trying to do the observational study. By observing the students answer.

Learn more about Observational Study here:

brainly.com/question/15938198

#SPJ1

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Can anyone solve part C?​
nlexa [21]

Answer:

y - 7 = 4(x - 35)

Step-by-step explanation:

The fundamental theorem of calculus states that:

\frac{d}{dx} \int\limits^x_a {f(t)} \, dt = f(x).

So using the fundamental theorem of calculus, you can find that h'(x) = f(x).

The question tells you that f(x) is periodic with a period of 8, so f(x) repeats itself every 8 units.

Using this, you can find that the slope of h(x) at x = 35 is the same as the slope of h(x) at x = 3, which is 4.

The slope of h(x) at x = 35 is 4.

Now I have to find the value of h(x) when x = 35. It is the area under f(x) from 0 to 35.

The area underneath f(x) from 0 to 35 is 7. When x = 35, h(x) = 7.

Now use the point-slope formula to write the equation of the tangent line.

The answer is <u>y - 7 = 4(x - 35)</u>

3 0
3 years ago
Read 2 more answers
There are 15 doughnuts.
Xelga [282]
Answer: 5
15/3 = 5
There are 5 doughnuts left.
4 0
2 years ago
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Which correlation coefficient represents a moderate negative correlation? r = –0.04 r = –0.24 r = –0.64 r = –0.94
fomenos

The correlation coefficient is a number that indicates the direction

and closeness of points of a line of best of fit.

So it tells us two things.

It tells us the direction of the line of best fit

and it tells us the closeness of the points.

Usually, anything between -0.9 and -0.6 has a moderate negative correlation. If you look at this on a graph, you will notice that the points definitely resemble a line so we say it's moderate.

It will be a negative correlation because the slope is negative.

5 0
3 years ago
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Please Find the distance between the two points rounding to the nearest tenth (if necessary).
Sphinxa [80]

Answer:

10.29 u

Step-by-step explanation:

<u>Given :- </u>

  • Two points (7,4) and (-2,9) is given to us.

And we need to find out the distance between the two points . So , here we can use the distance formula to find out the distance. As,

:\implies D = √{(x2-x1)² + (y2-y1)²}

:\implies D =√[ (7+2)² +(9-4)²]

:\implies D =√[ 9² +5²]

:\implies D =√[ 81 +25]

:\implies D = 10.29

<h3>Hence the distance between the two points is 10.29 units .</h3>
8 0
3 years ago
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15. What is the width of each bin? (1 point)
Pavel [41]
15) Answer is B because you can clearly see it's only 1 inch
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2 years ago
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