Chapter 10

Fundamentals of Mathematics · 376 exercises

Problem 55

Find the value of \(\frac{5}{12}+\frac{7}{18}-\frac{1}{3}\).

4 step solution

Problem 56

Perform each operation. $$ 8-12 $$

4 step solution

Problem 56

Find the value of each of the following. Use a calculator to check each result. $$ -(8+21) $$

2 step solution

Problem 57

Perform each operation. $$ 0-14 $$

3 step solution

Problem 57

Find the value of each of the following. Use a calculator to check each result. $$ -(8-21) $$

4 step solution

Problem 57

Convert \(62 \%\) to a fraction.

3 step solution

Problem 58

Perform each operation. $$ 5 \cdot(-2) $$

4 step solution

Problem 58

Use the order of operations to simplify \(\left(5^{2}+3^{2}+2\right) \div 2^{2}\).

3 step solution

Problem 58

Find the value of |-12| .

3 step solution

Problem 59

Perform each operation. $$ -8 \cdot(-6) $$

4 step solution

Problem 59

Find \(\frac{3}{8}\) of \(\frac{32}{9}\).

5 step solution

Problem 60

Perform each operation. $$ (-3) \cdot(-9) $$

4 step solution

Problem 60

Write this number in decimal form using digits: "fifty-two three-thousandths"

5 step solution

Problem 61

Perform each operation. $$ 14 \cdot(-3) $$

4 step solution

Problem 61

The ratio of chlorine to water in a solution is 2 to 7 . How many mL of water are in a solution that contains \(15 \mathrm{~mL}\) of chlorine?

4 step solution

Problem 62

Perform each operation. $$ 5 \cdot(-70) $$

4 step solution

Problem 62

Perform the subtraction \(-8-(-20)\)

5 step solution

Problem 63

Perform each operation. $$ -18 \div-6 $$

5 step solution

Problem 64

Perform each operation. $$ 72 \div-12 $$

3 step solution

Problem 65

Perform each operation. $$ -16 \div-16 $$

3 step solution

Problem 66

Perform each operation. $$ 0 \div-8 $$

3 step solution

Problem 67

Perform each operation. $$ -5 \div 0 $$

3 step solution

Problem 68

Perform each operation. $$ \frac{-15}{-3} $$

4 step solution

Problem 69

Perform each operation. $$ \frac{-28}{7} $$

4 step solution

Problem 70

Perform each operation. $$ \frac{-120}{-|2|} $$

3 step solution

Problem 71

Perform each operation. $$ \frac{|-66|}{-|-3|} $$

3 step solution

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