Use the following definitions to determine if the statement is true or false. N = {x : x is a natural number}I = {x : x is an integer}R = {x : x is a real number}W = {x : x is a whole number}Q = {x : x is a rational number}N is a subset of N.
A. True
B. False
Answer: A
Mathematics
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Determine whether the following points are vertices of a right triangle.A(3, 1), B(9, 3), C(13, -9)
A. Yes B. No
Mathematics
Add or subtract as indicated. Then simplify your answer if possible. Leave the answer in terms of sin ? and/or cos ??.
?
What will be an ideal response?
Mathematics
Solve.The distance between two cities is 408 kilometers. Convert this to miles. Round answer to the nearest hundredth, if necessary.
A. 444.72 mi B. 252.96 mi C. 656.88 mi D. 122.4 mi
Mathematics
Use a protractor to measure the angle.
A. 180° B. 45° C. 90° D. 0°
Mathematics