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posledela
3 years ago
6

A bookstore had 84 copies of a magazine. Yesterday, it sold 1/6 of them. Today, it sold 2/7 of what remained. How many copies do

es the bookstore have left?
Mathematics
2 answers:
Elis [28]3 years ago
5 0

Answer:

The book store has 50 copies left.

Step-by-step explanation:

1/6 of 84 is 14.

84- 14 = 70

2/7 of 70 is 20

70 - 20 = 50

Pls mark brianliest.

belka [17]3 years ago
5 0
The book store would have 50 left:):):) hope this helped
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Which set of ordered pairs could be generated by an exponential function?
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Answer: Third option.

Step-by-step explanation:

By definition, Exponential functions have the following form:

y = ab^x

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 It is importat to remember that the "Zero exponent rule" states that  any base with an exponent of 0 is equal to 1.

Then, for an input value 0 (x=0) the output value (value of "y") of the set of ordered pairs that could be generated by an exponential function must be 1 (y=1).

You can observe in the Third option shown in the image that when x=0, y=1

 Therefore, the set of ordered pairs that could be generated by an exponential function is the set shown in the Third option.

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4 years ago
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Kobotan [32]

Step 1: Simplify both sides of the equation.

−23(3x−4)+3x=56

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(−69x+3x)+(92)=56(Combine Like Terms)

−66x+92=56

−66x+92=56

Step 2: Subtract 92 from both sides.

−66x+92−92=56−92

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Step 3: Divide both sides by -66.

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Answer:

The points (-2, 0) and (3,5) are the ONLY solutions of the given sets of equations.

Step-by-step explanation:

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Now checking for the given points:

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Hence,  (-2, 0) is the solution of the given equations.

b) Checking for (2,0), as (-2, 0) is a solution as shown above

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Hence,   (3,5), is the solution of the given equations.

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