Solve the equation.0.4(9 + t) = 6.4t + 0.6
A. 1.1
B. 0.5
C. 0.9
D. 0.1
Answer: B
Mathematics
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Find the indicated angle.Find the supplement of 33°.
A. 147° B. 57° C. 237° D. 327°
Mathematics
Find the slope of the line.y = 2x + 1
A. -2 B. 2 C. -1 D. 1
Mathematics
Solve the problem. Round your answer, if appropriate.The growth rate of a certain tree (in feet) is given by y = 
+ e-t2/2 ,where t is time in years. Estimate the total growth of the tree through the end of the second year by using the trapezoidal rule with n = 2.
A. 1.75 feet B. 2.70 feet C. 5.41 feet D. 3.51 feet
Mathematics
Find the foci of the ellipse.16x2 + y2 - 64x + 48 = 0
A. (4, 
), (4, -
)
B. (2 + 
, 0), (2 -
, 0)
C. (2, 
), (2, -
)
D. (2, 4), (2, -4)
Mathematics