Evaluate the expression for the given values. If necessary, round to the nearest tenth.(x + 4y)2 x = 3, y = 2
A. 121
B. 22
C. 11
D. 49
Answer: A
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Solve.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 20-kg object stretches a spring 27 cm, find the distance when the weight is 11-kg. Round to the nearest hundredths when necessary.
A. 58 cm B. 8.15 cm C. 1.35 cm D. 14.85 cm
Expand.(
+ m)4
A. 4 + 8m
+ 12m2 + 4m3 + m4
B. 4 + 8m
+ 6m2 + 4m3
+ m4
C. 4 + 8m
+ 12m2 + 4m3
+ m4
D. 4 + 4m
+ 12m2 + 4m3
+ m4
Solve the equation.log35(x + 2) = 1 - log35x
A. {5} B. {-7} C. {7} D. {-5}
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.a = 7,b = 9,? = 49°
A. one triangle ? = 76.01°, ? = 54.99°, c = 7.60 B. one triangle ? = 35.94°, ? = 95.06°, c = 11.88 C. two triangles ?1 = 76.01°, ?1 = 54.99°, c1 = 7.60 or ?2 = 103.99°, ?2 = 27.01, c2 = 12.14 D. no triangle