Problem

Not all of the following application problems inv…

Question

Answered step-by-step

Problem 77 Easy Difficulty

Not all of the following application problems involve only subtraction. Some involve addition as well. Be sure to read each problem carefully.
Wind Energy The bar chart below shows the states producing the most wind energy in 2006.
a. Use the information in the bar chart to fill in the missing entries in the table.
$$\begin{array}{|l|l|} \hline \text { State } & \text { Energy (megawatts) } \\ \hline \text { Texas } & \\ \text { California } & \\ \text { Iowa } & \\ & 818 \\ \hline \end{array}$$
b. How much more wind energy is produced in Texas than in California?

Video Answer

Solved by verified expert

Textbook Answer

Official textbook answer

Video by Heather Zimmers

Numerade Educator

This textbook answer is only visible when subscribed! Please subscribe to view the answer

Related Courses

No Related Courses

Prealgebra

Chapter 1

Whole Numbers

Section 4

Subtraction with Whole Numbers

Discussion

You must be signed in to discuss.

Top Educators

Watch More Solved Questions in Chapter 1

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Problem 11

Problem 12

Problem 13

Problem 14

Problem 15

Problem 16

Problem 17

Problem 18

Problem 19

Problem 20

Problem 21

Problem 22

Problem 23

Problem 24

Problem 25

Problem 26

Problem 27

Problem 28

Problem 29

Problem 30

Problem 31

Problem 32

Problem 33

Problem 34

Problem 35

Problem 36

Problem 37

Problem 38

Problem 39

Problem 40

Problem 41

Problem 42

Problem 43

Problem 44

Problem 45

Problem 46

Problem 47

Problem 48

Problem 49

Problem 50

Problem 51

Problem 52

Problem 53

Problem 54

Problem 55

Problem 56

Problem 57

Problem 58

Problem 59

Problem 60

Problem 61

Problem 62

Problem 63

Problem 64

Problem 65

Problem 66

Problem 67

Problem 68

Problem 69

Problem 70

Problem 71

Problem 72

Problem 73

Problem 74

Problem 75

Problem 76

Problem 77

Problem 78

Video Transcript

Okay, We're going to start this problem by finding the linear equation, which models that energy use as a function of the year. And we have to ordered pairs so we'll go ahead and start by finding the slope 6.5 minus 3.5 over 2000 minus 1970. And that gives us three divided by 30. So that reduces to 1/10. And after that we can go ahead and take one of our points and use our point slope form and find the equation of the line. So we have why minus 3.5 equals 1/10 times X minus 1970 and we can distribute the 1/10. Why minus 3.5 equals 1/10 X minus 1 97 And then we can add 3.5 to both sides and we get y equals 1/10 x minus 1 90 3.5. Okay, so that's the equation that models the situation. And now we'll move on to Part B. So we're going to use the equation that we found in part A to make a prediction about the energy use in the year 2010. So we're going to substitute 2010 into the equation for X and sell for. Why, When we multiply 2010 by 1/10 we get 201 and then we subtract 1 93.5 and that gives us 7.5. So what that's telling us is that 7.5 bilion tons of oil would be used in 2010.

Get More Help with this Textbook

Charles P. McKeague

Prealgebra

View More Answers From This Book

Find Another Textbook

Study Groups

Study with other students and unlock Numerade solutions for free.

Problem