Chapter 10

Fundamentals of Mathematics · 376 exercises

Problem 43

Determine each value. $$ -(-|12|) $$

4 step solution

Problem 43

Find the value of each of the following. Use a calculator to check each result. $$ 3(4-6) $$

4 step solution

Problem 43

For the following 4 problems, perform the indica ted operations The low temperature today in Denver was \(-4^{\circ} \mathrm{F}\) and the high was \(-42^{\circ} \mathrm{F}\). What is the temperature difference?

4 step solution

Problem 43

Find the sum: \(\frac{9}{70}+\frac{5}{21}+\frac{8}{15}\).

4 step solution

Problem 43

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ 452+(-124) $$

4 step solution

Problem 43

(Section 5.3) Find the sum of \(\frac{4}{5}+\frac{3}{8}\).

5 step solution

Problem 44

Determine each value. $$ -(-|90|) $$

3 step solution

Problem 44

Convert \(1602 \frac{1}{5}\) to a decimal.

4 step solution

Problem 44

Find the value of each of the following. Use a calculator to check each result. $$ 8(5-12) $$

3 step solution

Problem 44

Find the value of \(\frac{\frac{3}{10}+\frac{4}{12}}{\frac{19}{20}}\).

7 step solution

Problem 44

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ 636+(-989) $$

6 step solution

Problem 44

(Section 9.3) Convert \(30.06 \mathrm{~cm}\) to m.

2 step solution

Problem 45

Determine each value. $$ -(-|-16|) $$

5 step solution

Problem 45

Find the value of each of the following. Use a calculator to check each result. $$ -3(1-6) $$

3 step solution

Problem 45

Convert \(3.2 \frac{3}{5}\) to a fraction.

4 step solution

Problem 45

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ 1,811+(-935) $$

4 step solution

Problem 46

Determine each value. $$ -(-|0|) $$

3 step solution

Problem 46

Convert \(\frac{5}{16}\) to a percent.

3 step solution

Problem 46

Find the value of each of the following. Use a calculator to check each result. $$ -8(4-12)+2 $$

4 step solution

Problem 46

The ratio of acid to water in a solution is \(\frac{3}{8}\). How many \(\mathrm{mL}\) of acid are there in a solution that contain \(112 \mathrm{~mL}\) of water?

5 step solution

Problem 46

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ -373+(-14) $$

5 step solution

Problem 47

Determine each value. $$ |-4|^{2} $$

3 step solution

Problem 47

Use the distributive property to compute the product: \(15 \cdot 82\).

5 step solution

Problem 47

Find the value of each of the following. Use a calculator to check each result. $$ -4(1-8)+3(10-3) $$

4 step solution

Problem 47

Find the value of \(-6-(-8)\).

5 step solution

Problem 47

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ -1,211+(-44) $$

3 step solution

Problem 48

Determine each value. $$ |-5|^{2} $$

3 step solution

Problem 48

Find the sum: \(16+(-21)\).

5 step solution

Problem 48

Find the value of each of the following. Use a calculator to check each result. $$ -9(0-2)+4(8-9)+0(-3) $$

4 step solution

Problem 48

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ -47.03+(-22.71) $$

3 step solution

Problem 49

Determine each value. $$ |-2|^{3} $$

2 step solution

Problem 49

Find the value of each of the following. Use a calculator to check each result. $$ 6(-2-9)-6(2+9)+4(-1-1) $$

4 step solution

Problem 49

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ -1.998+(-4.086) $$

6 step solution

Problem 50

Determine each value. $$ |-(3 \cdot 4)| $$

3 step solution

Problem 50

Find the value of each of the following. Use a calculator to check each result. $$ \frac{4(8+1)-3(-2)}{-4-2} $$

6 step solution

Problem 50

In order for a small business to break even on a project, it must have sales of $$\$ 21,000.$$ If the amount of sales was $$\$ 15,000,$$ by how much money did this company fall short?

5 step solution

Problem 51

Determine each value. $$ |-5|+|-2| $$

4 step solution

Problem 51

Find the value of each of the following. Use a calculator to check each result. $$ \frac{4(8+1)-3(-2)}{-4-2} $$

5 step solution

Problem 51

Suppose a person has $$\$ 56$$ in his checking account. He deposits $$\$ 100$$ into his checking account by using the automatic teller machine. He then writes a check for $$\$ 84.50 .$$ If an error causes the deposit not to be listed into this person's account, what is this person's checking bal ance?

4 step solution

Problem 52

Determine each value. $$ |-7|-|-10| $$

3 step solution

Problem 52

Find the value of each of the following. Use a calculator to check each result. $$ \frac{-1(3+2)+5}{-1} $$

4 step solution

Problem 52

A person borrows $$\$ 7$$ on Monday and then $$\$ 12$$ on Tuesday. How much has this person borrowed?

4 step solution

Problem 53

Perform each operation. $$ -6+4 $$

4 step solution

Problem 53

Find the value of each of the following. Use a calculator to check each result. $$ \frac{-3(4-2)+(-3)(-6)}{-4} $$

6 step solution

Problem 53

A person borrows $$\$ 11$$ on Monday and then pays back $$\$ 8$$ on Tuesday. How much does this person owe?

4 step solution

Problem 54

Perform each operation. $$ -10+8 $$

3 step solution

Problem 54

Find the value of each of the following. Use a calculator to check each result. $$ -1(4+2) $$

3 step solution

Problem 54

Find the reciprocal of \(8 \frac{5}{6}\).

2 step solution

Problem 55

Perform each operation. $$ -1-6 $$

3 step solution

Problem 55

Find the value of each of the following. Use a calculator to check each result. $$ -1(6-1) $$

3 step solution

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