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storchak [24]
3 years ago
5

Identify the domain and range of the relation is the relation a function?

Mathematics
1 answer:
Inessa [10]3 years ago
4 0

Answer:

Domain: {2,8,30,46}

Range: {-1,9,16}

Step-by-step explanation:

Yes, it is function because each of the elements of x are related or mapped with only one and unique elements of y. That's why the relation is a function.

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Please help me! I need the answer pretty fast...
lukranit [14]

Answer:

15 m

Step-by-step explanation:

you would use a sin equation because given the angle, the side you are resting to find is Opposite and the side you are given is the Hypotenuse

sin (32) = a/28

28 x sin (32) = a

14.83 = a

15 m = a when rounded

6 0
3 years ago
Calculate the area and perimeter plz help
kramer

Answer:

Figure 1:

Area: 30m^2

Perimeter: 23.6m

Figure 2:

Area: 98.8km^2

Perimeter:56.5km

Step-by-step explanation:

Area is base x height.

To get the perimeter, add up all the sides.

Figure 1:

Area:

6x5=30m^2

Perimeter: 6+5.8+6+5.8=23.6m

Figure 2:

Area:

7.6x13 = 98.8km^2

Perimeter:7.6+15+20+13.9=56.5km

7 0
3 years ago
I need help please.........
kogti [31]
This is what I got I hope it can help you

6 0
4 years ago
An urn contains one red chip and one white chip. one chip is drawn at random. if the chip selected is red, that chip together wi
Allushta [10]

Solution: We are given an urn contains 1 red chip and 1 white chip.

Now let's consider the first draw.

The probability of drawing red chip =\frac{1}{2}

We know that if the first chip drawn is red, we will put back that chip into the urn with additional two red chips. So if the first chip drawn is red, we will have 3 red chips and 1 white chip in the urn.

Now if we draw another chip from an urn containing 3 red chips and 1 white chip. Then the probability of drawing a red chip is

= \frac{3}{4}

Now lets combine these two events

The probability of both are red = P(1st draw is red) . P(2nd draw is red)

                                                   =(1/2) x (3/4)

                                                   =(3/8)

Therefore, the probability of both selections are red is 3/8

4 0
3 years ago
Triangle ABC with vertices A(–3, 5), B(–2, 2), and C(–4, 3), is reflected across the y-axis. A student determined one of the the
KengaRu [80]
Given a point on the xy-plane, a refrection across the y axis will change the sign of the x-value of the point.
For example, given a point (x, y) on the xy-plane, a refrection across the y-axis will transform the point to (-x, y)

Thus, give a triangle ABC <span>with vertices A(–3, 5), B(–2, 2), and C(–4, 3), reflected across the y-axis, the image of the triangle will have vertices which will have the signs on the x-values of the original triangle changed.
Thus, the vertices of the image will be A'(3, 5), B'(2, 2), and C'(4, 3).

Therefore, given that a student determined one of the vertices on the image to be (2, 2). It can be seen that the student performed the refrection correctly.
</span>
6 0
3 years ago
Read 2 more answers
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