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hoa [83]
3 years ago
8

A student has some​ $1 and​ $5 bills in his wallet. He has a total of 15 bills that are worth ​$35. How many of each type of bil

l does he​ have?
Mathematics
1 answer:
Bumek [7]3 years ago
5 0
He has 5 $5 bills and 10 $1 bills because 5x5=25 and 10x1=10. to check the answer you add 25+10=35.
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The rule which allows us to change the sign of an exponent is called the ____ rule.
Bogdan [553]

Answer:

The rule which allows us to change the sign of an exponent is called the <u>negative exponent</u> rule.

Step-by-step explanation:

Consider the provided information.

The negative exponent rule is the rule which allows to change the sign of an exponent.

x^{-1}=\frac{1}{x}

According to negative exponent rule: A negative exponents in the numerator moved to the denominator and become positive exponents.

If A negative exponents in the denominator moved to the numerator and become positive exponents.

Hence, the required statement is: The rule which allows us to change the sign of an exponent is called the <u>negative exponent</u> rule.

6 0
3 years ago
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prohojiy [21]

Answer:

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Step-by-step explanation:

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4x = 18

x = 18/4

7 0
3 years ago
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Luba_88 [7]

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Step-by-step explanation:

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3 years ago
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miss Akunina [59]

Answer:

\huge\boxed{x\neq4\to x\in\mathbb{R}\backslash\{4\}}

Step-by-step explanation:

\dfrac{x-3}{2x-8}

We know: the denominator must be different than 0.

Therefore

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3 years ago
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pychu [463]

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Step-by-step explanation:

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=12+(35×5)

12+175

36th term=187

8 0
2 years ago
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