1 year ago

Find the two numbers that have a sum of 49 and a difference of 1/2

Mathematics

2 answers:

NeX [460]1 year ago

6 0

Answer:

$49.5 , -0.5$

Step-by-step explanation:

$a + b =49\\a - b = 0.5\\a= 49.5\\b= -0.5$

Mandarinka [93]1 year ago

3 0

$x+y=49\\\underline{x-y=\dfrac{1}{2}}\\2x=49.5\\x=24.75\\\\24.75+y=49\\y=24.25$

Those numbers are 24.75 and 24.25.

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ruslelena [56]

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Alexxandr [17]

Answer:

yes it is a function

Step-by-step explanation:

You have to take the numbers and see if any of them are the same in the X column if their are some of the same numbers you only write the number once. than you connect the numbers to the given output. If any numbers have 2 outputs it is not a function.