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Questions in Grade Middle-school
[Homework Help] At a music store, the price of a set of speakers is $245, plus the sales tax of 6.5%. What is the total cost of the speakers, including the sales tax?
[Homework Help] Write each repeating decimal using bar notation: 1) 0.999... 2) 5.92111... 3) 2.010101... 4) 13.1464646... 5) 26.993993... 6) 30.6841841841... Write each fraction or mixed number as a decimal. Use bar notation if the decimal is a repeating decimal: 1) 3/8 2) 4/5
[Homework Help] Solve for \( x \): \[ 0.4(2x + \frac{1}{2}) = 3(0.2x + (-2)) - 4 \]
[Homework Help] Find the greatest common factor (GCF) of the following amounts: - 75¢ - 25¢ - $1.50 - $3.00
[Homework Help] Solve the system using the combination method to find the solution \((x, y)\). \[ 4x + 7y = 10 \] \[ -4x - 6y = 28 \]
[Homework Help] Write an algebraic expression for "3 less than the quotient of 20 and x."
[Homework Help] A student writes [tex]$5y \cdot 3$[/tex] to model the relationship of the sum of [tex]$5y$[/tex] and [tex]$3$[/tex]. Explain the error.
[Homework Help] Why is chemical energy a part of all chemical reactions?
[Homework Help] Jessica is getting ready for college. She needs to have an overall grade of 85 in her Math class to qualify for the college that she wishes to attend. Her math grade is based solely on her scores on 6 exams. On the first 5 exams, her scores were 87, 81, 85, 90, and 78. Write an inequality that represents her predicament. What score does she need to get on her last test to qualify?
[Homework Help] What are three numbers that, when multiplied, equal 14?
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