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Verdich [7]
2 years ago
9

Which relations are functions? Choose all answers that are correct:

Mathematics
1 answer:
dexar [7]2 years ago
5 0

Answer:

A. B and D are functions

Step-by-step explanation:

Functions are either one-to-one or many-to one    (x-value --> y value)

C is not a function because   -3  (x) maps to 1 and also to 0 (y).

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bekas [8.4K]

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Step-by-step explanation:

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4 years ago
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A rectangle is divided into 15 identical squares arranged in three rows. What is the perimeter of the rectangle, in centimeters,
lozanna [386]

Answer:

48 cm

Step-by-step explanation:

Here, we are concerned with finding the perimeter of the rectangle.

Now, since the square has an area of 9 cm^2, it means that the squares has a side of 3 cm each since the area of a square is s^2

So now, there are 5 squares in a row, meaning in a straight stretch , left to right or right to left, there are 15 squares. So the total length here is 5 * 3 = 15 cm

Now, moving column-wise, from top to bottom, since we have 3 rows, what this means is that per column of the rows, there are 3 squares. So the total length here becomes 3 * 3 = 9 cm

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6 0
3 years ago
What is the number 154 798 105 in expanded notation​
Rama09 [41]

Expanded form:

1 × 100,000,000
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I hope it helps :)
4 0
3 years ago
What is the value of 0.75 - 0.6? write your answer as a fraction in lowest terms.​
Over [174]

Answer:

3/20

Step-by-step explanation:

.75 - .6 = .15

put .15 over 100 then simplify by 5 =3/20

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3 years ago
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It should b, B. 2y-6x=0.
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3 years ago
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