4 years ago

Does this graph represent a function ? Please help thanks

Mathematics

1 answer:

Ne4ueva [31]4 years ago

3 0

Answer:

Yes, it is a constant function with no slope.

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During an experiment the following times (in seconds) were recorded. Find the median.

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Answer:

The median is 2.65 seconds

Step-by-step explanation:

So the median is the middle number. First of all, we have to sort them into ascending order.

2.35, 2.38, 2.43, 2.65, 2.69, 2.78, 10,91.

Since this is median and not mean, we don't need to get rid of outliers / anomalies.

The middle number in that would be 2.65.

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Both circle A and circle B have a central angle measuring 140°. The ratio of the radius of circle A to the radius of circle B is

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Drag and drop numbers into the boxes so that the paired values are in a proportional relationship.

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3 years ago

In this 2x3 grid, each lattice point is one unit away from its nearest neighbors. A total of 14 isosceles triangles(but not righ

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The area of a shape is the amount of space it can occupy.

<em>The number of isosceles triangle in the grid is: </em> $\mathbf{\frac{2x^2}{u^2}}$ <em />

The dimension of the grid is given as:

$\mathbf{Dimension = x\ by\ x}$

Calculate the area

$\mathbf{A_1 = x\ \times \ x}$

$\mathbf{A_1 = x^2}$

The area of each isosceles triangle is given as:

$\mathbf{A_2 = \frac 12u^2}$

The number (n) of the triangle in an x-by-x grid is:

$\mathbf{n = A_1 \div A_2}$

So, we have:

$\mathbf{n = x^2 \div \frac 12u^2}$

Express as products

$\mathbf{n = x^2 \times \frac{2}{u^2}}$

$\mathbf{n = \frac{2x^2}{u^2}}$

Hence, the number of isosceles triangle in the grid is: $\mathbf{\frac{2x^2}{u^2}}$