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Pre Algebra Questions & Answers

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1. At the ice cream shop, there are 11 shakes sold for every 6 malts. What is the ratio of malts to shakes?
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11.) Find each absolute value. Then, order the numbers from LEAST to GREATEST. \( -|-20|,|6|,|-2|,-|7| \)
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20.) Solve the following equations below. A. \( -5 \cdot|4-6|= \) B. \( -7 \cdot|-3|= \) C. \( |-8 \cdot 3|+6= \) D. \( |5|+|-8|= \)
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\( x-\left(-2 \frac{3}{8}\right)=-\frac{1}{4} \) What is the solution to the equation? Enter your answer as a simplified mixed number in the box.
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Solve. \( -3 \frac{2}{3}=x-1 \frac{1}{4} \) What is the solution to the equation? Enter your answer as a simplified mixed number in the box.
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Find the exact value of the logarithm without using a calculator. \( \log _{9} 81 \) \( \log _{9} 81=\square \) (Type an integer or a simplified fraction.)
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Calcule el producto entre \( 1+\frac{1}{1+\frac{1}{2}} \) y \( 1+\frac{1}{1-\frac{1}{2}} \)
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Solve. \( -4 \frac{3}{4}=x-1 \frac{1}{5} \) What is the solution to the equation? Enter your answer as a simplified mixed number in the box.
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Simplify \( \sqrt{450} \) What is the prime factorization of 450 ? Enter a mathematical expression [more..] Hint: Make sure that each of your factors is prime. Points possible: 10 Unlimited attempts. Score on last attempt: \( (0,0,0,0,0,0), 0 \), Out of: \( (10) \) Submit
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Suppose that during normal respiration, the volume of air inhaled per breath (called "tidal volume") by a mammal of any size is 6.27 mL per kilogram of body mass. (a) Write a function representing the tidal volume \( T(x) \) (in mL ) of a mammal of mass \( x \) (in kg). (b) Write an equation for \( T^{-1}(x) \). (c) Find \( T^{-1}(160) \) and interpret its meaning in context. Round to the nearest whole unit.

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