Add or subtract as indicated.(22x2y2 + 6y4) - (-8x4 - 11x2y2 + 6y4)
A. 8x4 + 33x2y2
B. -8x4 + 11x2y2 + 12y4
C. 8x4 + 33x2y2 - 12y4
D. 41x6y4
Answer: A
Mathematics
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Find .y = ?x2 + 4x
A. (?x2 + 4x) ln ? (2x + 4) B. (?x2 + 4x) ln ? C. (?x2 + 4x) (2x + 4) D. (x2 + 4x) ?x2 + 4x - 1
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One of the values r (radius), d (diameter), V (volume), or S(surface area) is given for a particular sphere. Find the indicated value. Leave ? in your answer.S = 64? km2; V = ?
A. 64 cm2
B. ? cm2
C. ? cm3
D. 8? cm2
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Divide.1.44 ÷ 3
A. 4.8 B. 1.48 C. 14.8 D. 0.48
Mathematics
Determine the angle ? in the design of the streetlight shown in the following figure. Round your answer upto decimal place.
?
?
?
?
A. 80.5° B. 95.5° C. 75.5° D. 85.5° E. 90.5°
Mathematics