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max2010maxim [7]
2 years ago
12

Which of the following sets represents a function?

Mathematics
2 answers:
Ira Lisetskai [31]2 years ago
8 0
The answer would be B because to have a function none of the x's can be the same, and we know that it's (x,y) so all of the first numbers are x's
In the first answer choice the x's would be 0,1,3,5,&5 but the 5 is repeated so we toss that answer choice
In answer choice B, the x's are 3,4,&5, so that's a maybe
In C, the x's are 1,5,1,&5 so we know that's not correct because the 5's and the 1's are both repeated
Last but not least, in D, the x's are 5,7,&5, the 5's are repeated so that leaves us with our answer of B. {(0,1), (1,2), (3,4), (5,6), (5,7)}

gogolik [260]2 years ago
5 0
It would be D 
Your welcome ;)
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Answer:

6.2

Step-by-step explanation:

Although there's multiple ways to solve this problem, my method will be to simply find the area for the full triangle (the empty + orange triangles) and subtract the area of the smaller, empty triangle.

Now, you that area for a triangle is 1/2*base*height.

To find the measurements for the full triangle, you must add up the bases for the two smaller triangles:

Base_{total}  = Base_{empty} + Base_{orange}  \\Base_{total} = 1.9ft + 3.1 ft\\Base_{total} = 5 ft

Height is the same for both triangles so Height total = 4 ft.

Now the total area can be calculated:

Area total= 1/2* base_total * height_total

Area total = 1/2 * 5ft * 4 ft  

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Answer:

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Step-by-step explanation:

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2 years ago
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If you would like to know how many hours will Lena need to work before she can afford to buy the computer, you can calculate this using the following steps:

$900 - $473 = $427

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Rama09 [41]

Answer:

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