9. Q9
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Similar Question 1
<p>As air is pumped into an exercise ball, the surface area of the ball expands. The table shows the surface area of the ballot <code class='latex inline'>2 s</code> intervals for <code class='latex inline'>30s</code>.</p><img src="/qimages/985" /><p>Which is the dependent variable and which is the independent variable for this problem? In what units should your responses be expressed? </p>
Similar Question 2
<p>A fruit stand sells apples for $0.25 each.</p><p>a. Describe the relation between cost and number of apples bought using a graph, a table, or an equation.</p><p>b. Which variable is independent and which is dependent?</p><p>c. Is the set of data continuous or discrete?</p><p>d. Determine the cost of 150 apples.</p>
Similar Question 3
<p>A cell-phone company offers a plan of <code class='latex inline'>\$25</code> per month and <code class='latex inline'>\$0.10</code> per minute of talk. The cost, <code class='latex inline'>C</code>, in dollars, is given by the relation <code class='latex inline'>C = 25 + 0.10n</code>, where <code class='latex inline'>n</code> is the number of minutes used per month. Each month the company uses the exact air time to calculate ethane monthly bill.</p> <ul> <li>What is the independent variable? What is the dependent variable?</li> <li>Why might someone want to rearrange this relation and express it in terms of the cost?</li> </ul>
Similar Questions
Learning Path
L1 Quick Intro to Factoring Trinomial with Leading a
L2 Introduction to Factoring ax^2+bx+c
L3 Factoring ax^2+bx+c, ex1
Now You Try
<p>The relation between Celsius and Fahrenheit is <code class='latex inline'>\displaystyle C=\frac{5}{9}(F-32)</code>. </p> <ul> <li>Which variable is independent in this equation? Justify your choice.</li> <li> Describe the relation using a table of values.</li> <li> Graph the relation.</li> <li> Are the data continuous or discrete?</li> <li> Estimate the Celsius temperature when <code class='latex inline'>F=100</code> using your graph.</li> <li> Calculate the Celsius temperature when <code class='latex inline'>F=100</code> using the equation. </li> <li>Why might you predict a value using an equation, instead or a table?<br></li> </ul>
<p>These ordered pairs show the relation between the amount of cell phone use in minutes and the cost, in dollars: (0,25), (10, 26), (20, 27) </p> <ul> <li>Explain why cost is the dependent variable and what the ordered pair (0,25) means.</li> <li>Graph the relation.</li> <li>Are the data continuous or discrete?</li> <li>Describe the relation using an equation.</li> <li>Would you predict the cost of 100 min using a graph, or using an equation? Explain.</li> <li>Predict the cost of 100 min.</li> </ul>
<p>A fruit stand sells apples for $0.25 each.</p><p>a. Describe the relation between cost and number of apples bought using a graph, a table, or an equation.</p><p>b. Which variable is independent and which is dependent?</p><p>c. Is the set of data continuous or discrete?</p><p>d. Determine the cost of 150 apples.</p>
<p>Antwan charges <code class='latex inline'>\$5/h</code>, plus a flat fee of <code class='latex inline'>\$8</code>, in his lawn-mowing business. </p><p><strong>a)</strong> Describe the relation between earning and hours using an equation.</p><p><strong>b)</strong> Justify your choice for independent and dependent variables.</p>
<p>A cell-phone company offers a plan of <code class='latex inline'>\$25</code> per month and <code class='latex inline'>\$0.10</code> per minute of talk. The cost, <code class='latex inline'>C</code>, in dollars, is given by the relation <code class='latex inline'>C = 25 + 0.10n</code>, where <code class='latex inline'>n</code> is the number of minutes used per month. Each month the company uses the exact air time to calculate ethane monthly bill.</p> <ul> <li>What is the independent variable? What is the dependent variable?</li> <li>Why might someone want to rearrange this relation and express it in terms of the cost?</li> </ul>
<p>As air is pumped into an exercise ball, the surface area of the ball expands. The table shows the surface area of the ballot <code class='latex inline'>2 s</code> intervals for <code class='latex inline'>30s</code>.</p><img src="/qimages/985" /><p>Which is the dependent variable and which is the independent variable for this problem? In what units should your responses be expressed? </p>
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