Provide an appropriate response.If you knew the measurements of the sides of a triangle, how could you determine whether it was a 45°, 45°, 90° triangle?
What will be an ideal response?
Answers will vary.
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Find a parametrization for the line segment beginning at P1 and ending at P2.P1(5, -7, -4) and P2(0, -7, -6)
A. x = -5t + 5, y = -7t, z = -2t - 4, 0 ? t ? 1 B. x = 5t, y = -7t, z = 2t - 6, 0 ? t ? 1 C. x = -5t + 5, y = -7, z = -2t - 4, 0 ? t ? 1 D. x = 5t, y = -7, z = 2t - 6, 0 ? t ? 1
Translate the problem situation to a system of equations. Do not solve.Anne has 15 coins in her pocket consisting of nickels and dimes only. The total value of the coins is $1.25. How many nickels and how many dimes does she have?
A. x + y = 15; 5x + 10y = 1.25 B. x + y = 15; 5x + 10y = 125 C. x + y = 15; 0.05x + 0.1y = 125 D. x + y = 15; 5x + 5y = 125
Solve the problem.The amount of a certain radioactive isotope present at time t is given by 
grams, where t is the time in years that the isotope decays. The initial amount present is 400 grams. How many grams remain after 20 years? Round to the nearest hundredth.
A. 379.25 g B. 397.87 g C. 234.78 g D. 681.48 g
Write a formula for the function described.Function F computes the number of square feet in x square yards.
A. F(x) = 
B. F(x) = 9 - x
C. F(x) = 
D. F(x) = 9x