Use a property of equality to solve the equation. Then check the result.
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Fill in the blank(s) with the appropriate word(s).
–2.1
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Perform the indicated computation. Write the answer in scientific notation.
A. 5 × 1021 B. 36 × 1020 C. 5 × 1020 D. 36 × 1021
Use the quadratic formula to solve the quadratic equation.4x2 = 60
A. x = ±
B. x = 30
C. x = 16
D. x = ±15
Solve the problem.An object is propelled upward at an angle ?, 45° < ? < 90°, to the horizontal with an initial velocity of v0 feet per second from the base of a plane that makes an angle of 45° with the horizontal. If air resistance is ignored, the distance R that it travels up the inclined plane is given by the function R(?) = 
[sin(2?) - cos(2?) - 1]. Show that R(?) = 
[sin ?(cos ? + sin ?) - 1].
What will be an ideal response?
Solve the system of linear equations. x - 3y = 142x - 3y = 19
A. Inconsistent: no solutions B. (5, -3) C. (6, -4) D. (6, 5)