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2 years ago

7

Identify the domain and range to the following relations and state whether or not the relations are functions. State why or why

not the relation is a function.

1 answer:

Vladimir79 [104]2 years ago

6 0

It’s a function because it passes the vertical line test

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if y is the midpoint of xz, y is located at (3,-1), and z is located at (11,-5), find the coordinates of x

svlad2 [7]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ X(\stackrel{x_1}{x}~,~\stackrel{y_1}{y})\qquad Z(\stackrel{x_2}{11}~,~\stackrel{y_2}{-5}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{11+x}{2}~~,~~\cfrac{-5+y}{2} \right)=\stackrel{\stackrel{midpoint}{y}}{(3,-1)}\implies \begin{cases} \cfrac{11+x}{2}=3\\[1em] 11+x=6\\ \boxed{x=-5}\\ \cline{1-1} \cfrac{-5+y}{2}=-1\\[1em] -5+y=-2\\ \boxed{y=3} \end{cases}$

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2 years ago

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) in how many ways can 5 ice cream toppings be chosen from 12 available toppings

grandymaker [24]

12*11*10"9*8 whatever that turns out to be lol

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Solve the following inequality. -21> -7c

BigorU [14]

Divide both sides by -7, and flip the sign: 3 > c

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the areas of two similar rectangles are 338 cm squared and 73 cm squared. what is the similarity ratio of the perimeters

Elena L [17]

The similarity ratio is 338 : 73.

You cannot simplify this ratio any further, since 73 is a prime number.

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2 years ago

You have a set of 10 cards numbered 1 to 10. You choose a card at random. Event A is

Evgesh-ka [11]

Answer:

35% or 35/100

Step-by-step explanation:

Gage Millar, Algebra 2 tutor

Choosing a number LESS than (not equal to 8) is 7/10 (1,2,3,4,5,6,7)

Chosing an even number is 5/10 (2,4,6,8,10)

so just multiply 7/10 x 5/10 to get 35 over 100, or a 35% chance

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2 years ago