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Chapter 1: Q. 1.54 (page 24)

Solve each of the following for z: (1.4)

a. 3z--6=12

b.4z-12=-8

Short Answer

Expert verified

a. The value ofzis2.

b. The value ofzis24.

Step by step solution

01

Part (a) step 1: Given Information

We need to find the value of zfrom equation3z--6=12.

02

Part (a) step 2: Calculation

Consider:

3z--6=12

Now, finding the value of z:

3z--6=123z+6=123z=12-63z=6z=63z=2

03

Part (b) step 1: Given Information

We need to find the value ofzfrom equation4z-12=-8.

04

Part (b) step 2: Calculation

Finding the value of z:

so,

4z-12=-84z=-8脳-124z=96z=964z=24

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Most popular questions from this chapter

For each of the following, indicate if the answer has a positive or negative sign:1.4

a. A negative number is subtracted from a positive number.

b. Two negative numbers are divided.

Evaluate each of the following:

a.-11--9=___.

b.34+-55=___.

c.-568=___.

a. What does the title indicate about the graph?(1.4)

b. What is measured on the vertical axis?

c. What is the range of values on the vertical axis?

d. Does the solubility of carbon dioxide increase or decrease with an increase in temperature?

A student in your class asks you for advice on learning chemistry. Which of the following might you suggest?

a. forming a study group

b. skipping class

c. asking yourself questions while reading the text

d. waiting until the night before an exam to study

e. answering the Engage questions

Whichnumberineachofthefollowingpairsissmaller?

a.4.9脳10-3or5.5脳10-9

b.1250or3.4脳102

c.0.0000004or5.0脳102

d.2.50脳102or4脳105
See all solutions

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