Use the Pythagorean theorem to find the missing side of the right triangle with legs a and b, and hypotenuse c. Approximate values to the nearest tenth when appropriate.a = 9 mi, b = 12 mi
A. 8 mi
B. 14 mi
C. 11 mi
D. 15 mi
Answer: D
Mathematics
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Tell what possible misuses or misinterpretations may exist for the following statement.Sports cars have higher maximum speeds than passenger cars. Thus, sports cars are not as safe as passenger cars.
What will be an ideal response?
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 2x
B. x
C. 2x
D. 2x
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t - 1, y = t2 + 2; -4 ? t ? 4
A. y = x2 + 1; for x in -2 ? x ? 2
B. y = 
x2 + 1; for x in -6 ? x ? 4
C. y = 
x2 + 
x + 
; for x in -9 ? x ? 7
D. y = - 
x + 30; for x in -6 ? x ? 4
Mathematics
Evaluate.-20
A. -2 B. 0 C. -1 D. 1
Mathematics