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4 years ago

Which of the following relations are functions?^^

Mathematics

1 answer:

Ede4ka [16]4 years ago

4 0

Answer:

its c because the x is not repeating so let's say x are people and y is the are the location. multiple x values can give the the same y but an x value can only give one y if x give more than one y value, or in other words repeats itself, then is not a function

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The length of a rectangle is 4 more than twice the width length. The perimeter is 28. What is the LENGTH?

o-na [289]

Answer:

10 $\frac{2}{3}$

Step-by-step explanation:

Let the width length be x.

Width length = x

Length = 2x + 4

Perimeter = width + length + width + length

= x + 2x + 4 + x + 2x + 4

= 6x + 8

6x + 8 = 28

6x = 28 - 8

= 20

x = 20 ÷ 6

x = 3 $\frac{1}{3}$

Length (2x + 4) = 2(3 $\frac{1}{3}$ ) + 4

= 6 $\frac{2}{3}$ + 4

= 10 $\frac{2}{3}$

3 0

3 years ago

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olga55 [171]

Answer:

Step-by-step explanation:

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4 years ago

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lawyer [7]

Answer:

a diagonal line

Step-by-step explanation:

6 0

3 years ago

(14x^3+2x-3) - (16x^3+7x-8)

yaroslaw [1]

Answer:

-1352x

Step-by-step explanation:

Because x never got a value and then so it stands there.

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3 years ago

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Temka [501]

Answer:

Area is 20

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A= L × W

Step-by-step explanation:

Area is found by multiplying the length by the width, which in this case is 10 × 2 = 20

Perimeter is found by adding all of the sides together, so 2 + 2 + 10 + 10 = 24

A= Legnth × Width or vise versa

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3 years ago