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