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3 years ago

GraphA GraphB GraphC GraphD

Mathematics

2 answers:

Serhud [2]3 years ago

6 0

Graph A its the beat answer

nataly862011 [7]3 years ago

4 0

Answer: The correct option is (A). The image is attached below.

Step-by-step explanation: We are given to graph the following equation on a piece of paper:

$y$

Then, we are to select the correct choice of the graph that matches with the graph we have drawn.

Writing the inequality (i) as an equation, we get

$y=\dfrac{3}{4}x+2.$

Since it is a linear equation in two variables, so we need only two points to draw the graph.

At x = 0, we have

$y=\dfrac{3}{4}\times0+2=2,$

at x = -4, we have

$y=\dfrac{3}{4}\times (-4)+2=-1.$

So, (0, 2) and (-4, -1) are two points on the line.

We draw the line as shown in the attached figure below. Also, the line is dotted because the points on the line are not included.

Since $y$ so the region below the straight line will be shaded.

We see that the drawn graph below matches with the graph (A).

Thus, the correct option is (A).

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Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1

Digiron [165]

Answer:

$P(z$

And the best option would be:

$0.8708$

Step-by-step explanation:

We assume that the distribution for the random variable is:

$X \sim N (\mu=0 , \sigma=1)$

For this case we want to calculate the following probability:

$P(z$

And we can use the normal standard distribution or excel and we got:

$P(z$

And the best option would be:

$0.8708$

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3 years ago

This set of points is on the graph of a function.

Liula [17]

If (a, b) is on the graph of a function f(x), then (b, a) is on the graph of the inverse.

We have points on the graph of a function: {(-3, 9), (-1, 1), (0, 0), (2, 4)}.

The points on the graph of the inverse: {(9, -3), (1, -1), (0, 0), (4, 2)}.

<h3>Answer: (4, 2), (0, 0), (1, -1).</h3>

7 0

3 years ago

The following table represents the running times of the men's 100 meters final at the London Olympics.

Rom4ik [11]

This cannot be fit into a normal distribution. While the first 7 runners all have times relatively close, the time of the last runner is an outlier, as it is too far from the other data points. The standard deviation is calculated by taking the mean, subtracting each value from the mean, squaring the deviations, adding these, then dividing by the number of data points (7), and taking the square root. This gives an answer of SD = 0.1107.

8 0

4 years ago

Read 2 more answers

2) Calculate the surface<br> area of the cylinder:<br> 5 cm

AVprozaik [17]

Answer:

28π cm²

Step-by-step explanation:

The surface of a cylinder is given by the formula:

2πrh + 2πr²

where r is the radius of the base, and h is the height.

Using the image, we can find that the radius of the cylinder would be 2 cm, and the height would be 5 cm.

Now, to find the surface area of the cylinder, we would have to plug in 2 for r (the radius of the base) and 5 for h (the height of the cylinder) into the formula for the surface area of a cylinder.

Now we plug in 2 for r and 5 for h for the equation for the surface area of a cylinder:

2π(2)(5) + 2π(2)² = 20π + 2π(4) = 20π + 8π = 28π

Remember, the radius and the height are given to us in cm, and w are solving for surface area, so the answer should be in cm² (square centimeters).

The surface area of the cylinder would be 28π cm².

28π cm² would be an exact answer. For the approximate answer, plug in 3.14 (most math classes use 3.14 to approximate π) for π.

I hope you find this helpful. :)

5 0

3 years ago

The probability of drawing a yellow or green marble out of a bag containing 3 blue, 2 green , 8 yellow , 4 red , and 3 orange ma

WINSTONCH [101]

Answer:

$\frac{10}{23}$

Step-by-step explanation:

add green and yellow which is 10 over the whole thing which is 23

5 0

3 years ago