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Brilliant_brown [7]
3 years ago
14

(02.02)A rotation is shown in the drawing:

Mathematics
2 answers:
Sergio [31]3 years ago
8 0

Answer:

B. Clockwise 270-degree rotation

frez [133]3 years ago
4 0

Answer:

B) Clockwise 270-degree rotation

Step-by-step explanation:

Clockwise motion is in the same direction as a clock's hands: from the top to the right, then down and then to the left, and back up to the top. The opposite motion is counterclockwise.

From inspection of the diagram, we can see that the curved dotted line (which shows the direction of motion) is suggesting a clockwise motion.

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Which of the following errors can be reduced only by increasing the sample size? a. systematic error b. random sampling error c.
garik1379 [7]

Answer:

The correct answer is

b. random sampling error

Step-by-step explanation:

Sampling is a statistical method of selecting a predefined number of observations  from a larger population to determine the characteristics of and to represent the larger population.

A sampling error is a type of error in statistics that is as  a result of a difference between the calculated statistical values of a selected sample and that of the entire population. A sample of a population with an error does not properly represent the statistics of the population.

By the definition of sampling in statistics, sampling error can be eliminated by Increasing the size of the sample taken from the larger population, analogous central limit theorem.

4 0
3 years ago
A rectangle has a length of (2c + 1) and a width of (3 + c). If c = 3, what is the area of the rectangle?
Varvara68 [4.7K]

Answer:

Area of a rectangle = 42 square units

Step-by-step explanation:

Area of a rectangle = length times width.

l = (2c + 1)  when c = 3, the length = 2 · 3 + 1 ; l = 6 + 1 = 7

w = (3 + c) when c = 3, the width = 3 + 3; w = 6

Area of a rectangle = length times width

Area of a rectangle = 7 · 6

Area of a rectangle = 42 square units

7 0
2 years ago
Determine the distance between the following two points.
Morgarella [4.7K]

Answer:

The distance is 5

Step-by-step explanation:

You can use the distance formula or Pythagorean theorem for this

6 0
3 years ago
13. Don is running a race. He knows he can run 60 feet in 4 seconds. If he maintains this rate, how many miles will he run in 1
Lana71 [14]

Answer:

10.23 miles

Step-by-step explanation:

1 hour = 3600 seconds

\frac{60}{4} =\frac{x}{3600} \\\\4x=216000\\x=54000

54000 ft = 10.23 miles

5 0
3 years ago
Read 2 more answers
Which graph represents the solution set of the system of inequalities? {y&lt;−3x−2y<br> y≤x−2
irina1246 [14]

Answer:

Option 1

Step-by-step explanation:

In each inequality we have the equation of a line.

The first step in solving this problem is to identify each line in the figures.

To do this, we willient your cut points.

y = x-2

We do y = 0

0 = x-2

x = 2. This line cuts the x-axis at x = 2.

Now we do x = 0

y = -2.

This line cuts the y-axis in y = -2.

Now we can identify this line in the figure.

The inequality is:

y≤x - 2

Then the region that represents this inequality are all the points below the line y = x-2 and also those that belong to the line.

Try for example the point (0, -4) that is below this line.

-4≤0-2

-4≤-2. The inequality is met.

We do the same for the other line:

y<-3x - 2

y = -3x-2.

The cut points are:

2 = -3x

x = -2 / 3

y = -2

Locate in the graphs the line that meets these characteristics.

The region understood by this inequality are all points below the line

y = -3x-2 and which, in turn, are below the line y = x-2.

Once again, the point (-4.0) complies with both inequalities.

Identify these characteristics in the options, and you will see that the correct option is the first

4 0
3 years ago
Read 2 more answers
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