Use the distributive property several times to show why
b. Draw an array to show why
c. Relate the steps in your equations in part (a) to your array in part (b).
Want to see the full answer?
Check out a sample textbook solutionChapter 4 Solutions
Mathematics For Elementary Teachers With Activities Books A La Carte Plus Mymathlab -- Access Card Package Format: Unbound (saleable) With Access Card
Additional Math Textbook Solutions
The Heart of Mathematics: An Invitation to Effective Thinking
MATH IN OUR WORLD (LOOSELEAF)-W/ACCESS
Mathematical Methods in the Physical Sciences
Math in Our World
Mathematics with Applications In the Management, Natural and Social Sciences (11th Edition)
- A triangular brick wall is made by cutting some bricks in half to use in the first column of every other row (see figure). The wall has 28 rows. The top row is one-half brick wide and the bottom row is 14 bricks wide. How many bricks are in the finished wall?arrow_forwardA forester is making a gasoline-oil mixture for a chainsaw engine. The forester has 2 gallons of a mixture that is 32 parts gasoline and 1 part oil. How many gallons of gasoline should the forester add to bring the mixture to 50 parts gasoline and 1 part oil?arrow_forwardDetermine whether the ordered pair (8, 5) is a solution to the following system. 5x4y=202x+1=3yarrow_forward
- Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice University
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGALElementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,