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A set of stairs is being built as shown. The length of each stair is 11 inches. What is the rise, r, for each stair? Round to the nearest inch.
A
2 inchesB
7 inchesC
17 inchesD
24 inches22
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Carlos went to buy a television the same size as his friend’s. When he got to the store, he found that televisions are measured along the diagonal. Which equation will help him find the size he wants?
A
20 squared + 35 squared = d squared
B
d squared + 20 squared = 35 squared
C
d squared + 35 squared = 20 squared
D
35 squared minus 20 squared = d squared
24
Kendra is determining the distance between the points (6, 8) and (2, –3). Her work is shown below. Step 1: Step 2: Step 3: Step 4: Which best describes the accuracy of Kendra’s solution?
A
Her solution is correct.B
Her solution is incorrect. She subtracted before squaring.C
Her solution is incorrect. She made an error when substituting the x-values into the equation.D
Her solution is incorrect. She made an error when substituting the y-values into the equation.25
What square root best approximates the point on the graph?
A
StartRoot 5 EndRoot
B
StartRoot 15 EndRoot
C
StartRoot 28 EndRoot
D
StartRoot 53 EndRoot
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