Solve the equation using graphical methods. Round to the nearest thousandth when appropriate.8x + 4(1 + x) = 3(x - 6) + 10x
A. x = -22
B. x = 22
C. x = -7
D. x = 7
Answer: B
Mathematics
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Write the sum without sigma notation and evaluate it.
A. -sin 
+ sin 
- sin 
= -1
B. -sin 
- sin 
= 2
C. -sin 
+ sin 
- sin 
= 0
D. -sin 
+ sin 
- sin 
= 1
Mathematics
Evaluate the expression.5x ÷ (19 + x - y), for x = 3 and y = 7
A. 
B. 57
C. 1
D. 
Mathematics
Find the standard form of the equation of the circle.Center at (-4, 2) and containing the point (3, 1)
A. (x + 4)2 + (y - 2)2 = 50
B. (x + 4)2 + (y - 2)2 = 5
C. (x - 4)2 + (y + 2)2 = 5
D. (x - 4)2 + (y + 2)2 = 50
Mathematics
Translate into an equation, and then solve the equation.Six subtracted from what number equals one?
A. x - 6 = 1; 6 B. x + 1 = 6; 7 C. 6 - x = 1; 5 D. x - 6 = 1; 7
Mathematics