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Daniel [21]
3 years ago
11

For which value of x is the relation not a function (5,2), (x,1), (8,6), (9,3)

Mathematics
1 answer:
Alla [95]3 years ago
4 0

Answer:

x=5, 8, 9

Step-by-step explanation:

in a function, one x value must be paired with one and only one y value, this means there cannot be two points where x values are the same, however the y values can repeat.

if x = 5, 8, or 9, the relation is not a function because there are 2 same x values.

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Vladimir [108]

Answer:

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Step-by-step explanation:

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jeka57 [31]

Answer:

y = 3/4x - 9/8

Then read explanation and see here with 2 coordinates would make

if 3/4 = -6 then 1 = -8

y = -6x + c

-6 / 3/4  + 9/8 / - 0.5  = -2.25

therefore c = -2.25

y = -6x - 2.25

y = -6x - 9/4  and again 9/4 can be found easily if round up fraction decimal to 225/100 and divide by 4

Step-by-step explanation:

C1)    (0.5 , -0.75)

C2)   ( 1. -3.75)

y = mx + c

-3.75 - - 0.75  /   1 - 0.5  = -3.75 + 0.75 / 0.5

= -3 / 0.5 = m

m = -6

y = -6x + c

then this works given just one coordinate to solve for 1 or 2 sets given points

y - y1 = mx+c

y - - 0.75 =  0.75 (x - x1)

y + 0.75 = 0.75 (x - 0.5)

y + 0.75 = 0.75x - 0.375

y = 0.75 - 0.75   =  0.75x( - 0.375 - 0.75)

y = 0.75x -1.125

y = 3/4x - 9/8    as common denominators of 1125/1000 is 9/8 as we divide by  125 into the fraction as we start at 250 and check its half just like when finding common denominators we 1/4 the lower number and see if we can find its half or its double etc with the other num er as first step for 3sf numbers.

5 0
3 years ago
Kate walks half a mile to the library. how many yards does she walk?
Novosadov [1.4K]
880 yards.

Explanation:

In one mile, there are 1760 yards. To find half of that, divide 1760 by two.
1760 ÷ 2 = 880
5 0
4 years ago
Read 2 more answers
Type the correct answer in each box.
nataly862011 [7]

Answer:

i dont knwo

Step-by-step explanation:

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3 years ago
What letter is s in 8s=1/2
Tcecarenko [31]
We find the value for s here. 

8s = 1/2
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 \\ 
8s/8 = \frac{1}{2} /  \frac{8}{1} 



1/2 divided by 8/1 = 1/2 * 1/8 = 1/16

s = 1/16
7 0
3 years ago
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