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IgorC [24]
3 years ago
14

When a number is decreased by 7.3%, the result is 60. What is the original number to

Mathematics
1 answer:
marishachu [46]3 years ago
4 0

Answer:

Original Number = let we assume it is x

Number after decremented =  y = 60

Total decrease = z = x-y = x-60

% of decrease = ((x-60)/x)*100 = 7.3

(x-60)*100 = 7.3x

100x -6000 = 7.3x

100x-7.3x = 6000

92.7x = 6000

x = 6000/92.7 = 64.73

Original Number = 64.73

Step-by-step explanation:

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Answer: <u>6 is the slope and 4 is the y-intercept.</u>

Step-by-step explanation:

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Simply add 6x to both sides to get into this form

y = 6x + 4.

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A table contains the ordered pairs (3, 42.25) and (5, 50.75). If the relationship in the table is linear, explain how to find th
Basile [38]

Answer:

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Solve for y by setting one equation =to X after that you can substitute the equation into the other one let's set the first one in X= FORM
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Add 7y to both sides of the first equation to let x stand alone
X=7y+10
Now you can substitute x on the second equation
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Distribute
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Add and simplify
Us cancel out =0
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0=0
They are the same equations you can also divide the second equation by -2 which would make it look like this
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-2 (x-7y=10)
Let me know if I have answered your question
5 0
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