Find the area of the shaded region. (Assume that given measurements are exact, and round approximate answers to the nearest tenth of a square unit.)
?
?
A. 7.1 dm2
B. 9 dm2
C. 2.25 dm2
D. 2.3 dm2
E. 28.3 dm2
Answer: A
Mathematics
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If B is the midpoint of AN and E is the midpoint of NR, then
(a) BE = 1/2 (AR). (b) BE:AR = NE:ER. (c) BN:BE = EN:EB. (d) AN = 1/2 (NB). (e) Both (a) and (d) are correct.
Mathematics
Find an expression, in factored form, for the area of the shaded region.
A. (x + 4)(x + 8) B. (x - 3)(x - 9) C. (x + 3)(x + 9) D. (x + 5)(x + 7)
Mathematics
Find parametric equations for the rectangular equation.y = 4x + 5
A. x = , y = t +
; 0 ? t < ?
B. x = t, y = 4t2 + 5; 0 ? t < ?
C. x = t, y = 4t + 5; 0 ? t < ?
D. y = 4t, 4x = t - 5; 0 ? t < ?
Mathematics
Identify the conic section represented by the equation.4y2 - x2 - 6x + 4y - 7 = 0
A. hyperbola B. parabola C. ellipse D. circle
Mathematics