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Troyanec [42]
3 years ago
10

What is the domain of the relation shown below ( 4,2),(1,1),(0,0),(1,-1),(4,-2)

Mathematics
1 answer:
gogolik [260]3 years ago
7 0
Look at the first element of each point:

{4, 1, 0, 1}   (do not write 4 twice, even tho' 4 shows up twice).

This is NOT a function, altho' it still is a relationship.  Why?   Because 4 shows up as an input twice.  In the case of a function, no input shows up more than once.

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Towns X, Y, and Z are on the same straight road. Town Y is between Town X and Town Z. Town X is 57 miles from Town Z, and Town Y
Ber [7]
29 miles 
because town y is between town x and town z so you can take the distance between town x and town z and subtract the distance from town y to town z

3 0
3 years ago
In trapezoid ABCD with bases AB and DC , diagonals intersect at point O. Find the length of diagonal BD , if BO=6 cm and: AO/OC
aalyn [17]

Answer:

8 cm

Step-by-step explanation:

... BO/OD = AO/OC = 3/1

Written another way, this is ...

... OD : BO = 1 : 3

Now, BD = OD + BO, so we have

... BD : BO = (OD +BO) : BO = (1 +3) : 3 = 4 : 3

That is, BD = 4/3 × BO

... BD = 4/3 × 6 cm = 8 cm

6 0
3 years ago
What is the width of a rectangle with length 5.5 cm and area 220 cm^2
Reika [66]
In the given question it is given that the length of the rectangle is 5.5 cm and the area of the rectangle is 220 cm^2.
Length of the rectangle = 5.5 cm
Area of the rectangle = 220 cm^2
Then we already know that
Area of a rectangle = Length * width
So Width of the rectangle = Area of the rectangle/ Length
                                           = 220/5.5
                                           = 2200/55
                                           = 40
So the width of the rectangle is 40 cm.<span>Hope  that you have got the answer you were looking for.

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3 0
3 years ago
Y=2x-3 what is the slope and what is the y-intercept
Ipatiy [6.2K]

Answer: THe slope is 2 and y intercept is -3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please guys help me I need help to get an A+
Sergeeva-Olga [200]
The “math sentence”: To find the answer, I need to divide the six chocolate bars by 3/4.

To model the situation, you need to draw 6 squares divided into quarters. Color in 3 of the quarters in each square.

Finally, write this for the solution sentence:
By giving 3/4 of a chocolate bar to each of her friends, Mrs. Lopes will be able to share her 6 chocolate bars with 8 different friends.


Hope you get that A+!
3 0
3 years ago
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