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}Q is a proper subset of N, I, and W.
A. True
B. False
Answer: B
Mathematics
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Factor.25x4y + 40x3y - 30xy
A. 5x3 + 8x2 - 6 B. 5xy(x3 + x2 - 6) C. 5xy(5x3 + 8x2 - 6) D. 5x3y(5 + 8x2 - 6x)
Mathematics
Use a ruler, protractor, and compass to construct, when possible, a triangle with the stated properties. Determine whether one triangle can be constructed, two or more noncongruent triangles can be constructed, or no triangle can be constructed.An isosceles triangle with two sides of length 8 cm and an apex angle of measure 89°.
A. Two or more noncongruent triangles can be constructed. B. No triangle can be constructed. C. Exactly one triangle can be constructed.
Mathematics
Evaluate the expression.10P4
A. 5040 B. 34 C. 6 D. 210
Mathematics
Use = or ? for ? to write a true sentence.
? 
A. = B. ?
Mathematics