It's not an irrational number because the decimal is repeating. If it went on forever and never repeated then it would be an irrational number.
I think the error is that Richie thought for a number to be irrational, it just needed to repeat forever.
Answer:
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Multiply 5/2 on both sides to clear the fraction.
-8(5/2)=(5/2)(2/5)(k-2)
-20 = k -2
Add 2 to both sides
-18 = k
Answer:
Jose will need 39.25 square inches of paper to wrap the stack of coins
Explanation:
The resulting figure of a stack of 100 coins will be a right circular cylinder. We assume that Jose wraps around the cylinder (so it means not including the bases). Therefore we are solving for the lateral surface area of the cylinder: LSA = 2πrh.
To solve for height h, we multiply the thickness of the coin 100 times.
h = 100 * 1/8 in = 12.5 inches
Solving for radius r:
r = 1 inch/2 = 0.5 inches
LSA = 2(3.14)(0.5 in)(12.5 in) = 39.25 square inches
The domain and the range of a graph are the set of input and output values on the graph
- The domain of the graph is [-3,2)
- The range of the graph is (-5,4)
<h3>How to determine the domain</h3>
On the graph, the x values starts at x = -3 (with a closed circle), and it ends at x = 2 (with an open circle)
This means that, the domain of the graph is [-3,2)
<h3>How to determine the domain</h3>
On the graph, the y values starts at y = -5, and it ends at y = 4 (with an open circle)
This means that, the range of the graph is (-5,4)
Read more about domain and range at:
brainly.com/question/2264373
