Solve the equation.Solve csc ? = 2 for ?, where 0° ? ? ? 90°
A. 90°
B. 45°
C. 60°
D. 30°
Answer: D
Mathematics
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Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.-2x - 3y - 10z = 9 and 2x + 9y - 5z = 4
A. 1.327 rad B. 1.4 rad C. 1.436 rad D. 0.171 rad
Mathematics
Write the first four terms of the sequence.an = 
A. a1 = -2, a2 = - 1, a3 = 
, a4 = 
B. a1 = 2, a2 = - 1, a3 = 
, a4 = 
C. a1 = 2, a2 = 1, a3 = 
, a4 = 
D. a1 = -2, a2 = 1, a3 = 
, a4 = 
Mathematics
Tell whether the statement 
> 
is a proportion.
What will be an ideal response?
Mathematics
An object is thrown upward from ground level at a velocity of 90 feet per second. Use the position equation s = -16t2 + v0t + s0 to select a function that represents the situation and select the graph of the function. ?
A. s = -16t2 + 90t
?
?
B. s = -16t2 - 90t
?
C. s = 16t2 + 90t
?
?
D. s = 16t2 - 90t
?
?
E. s = -16t2 + 90t + 8
?
?
Mathematics