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3 years ago

Which of the following scenarios exhibits a function relation? Take the first set listed to be the domain of the relation.

Mathematics

2 answers:

nalin [4]3 years ago

8 0

Answer:

Second option

Step-by-step explanation:

The set of people in a town and car make and models have nothing to do with each other.

Trees in a forest and tree heights, students and birthdays, Social Security numbers and set of people with Social Security cards are all realted to each other.

natka813 [3]3 years ago

8 0

The second option! Hope this helps

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jok3333 [9.3K]

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Simora [160]

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Answer:

$\square\quad{y=\dfrac{1}{2}x+4}\\\\\square\quad{\dfrac{y-5}{x-2}=\dfrac{1}{2}}$

Step-by-step explanation:

The slope of a line is the same everywhere, so an equation can be written making use of that fact.

$\dfrac{y-y_1}{x-x_1}=\dfrac{y_2-y_1}{x_2-x_1}\\\\\dfrac{y-5}{x-2}=\dfrac{7-5}{6-2}=\dfrac{2}{4}\\\\\boxed{\dfrac{y-5}{x-2}=\dfrac{1}{2}}$

Cross-multiplying gives ...

2(y -5) = x -2

2y -10 = x -2 . . . eliminate parentheses

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$\boxed{y=\dfrac{1}{2}x+4}$

These equations match choices B and D.

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3 years ago

Find the height of the building to the nearest foot in the diagram below. Show work.

stira [4]

Answer:

height : 150 feet

Step-by-step explanation:

$\sf \sf tan(x)= \dfrac{opposite}{adjacent}$

using tan rule:

$\hookrightarrow \sf tan(62)= \dfrac{b}{80}$

$\hookrightarrow \sf b = tan(62)*80$

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2 years ago

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This is a linear equation/ graph quiz ! please help , my teacher makes no sense to me!

JulijaS [17]

Answer:

(8,5)

Step-by-step explanation:

5x - 2y = 30

coordinates are (x,y) so you plug in 8 for x and solve for y

5(8) - 2y = 30

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subtract 40 from both sides to isolate y

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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