Solve the problem. Assume all data are accurate to two significant digits unless greater accuracy is given.A company sold 9.5 million items in a two-year period. Sales increased by 700,000 the second year. How many were sold the second year?
A. 5,000,000
B. 5,100,000
C. 7,650,000
D. 4,400,000
Answer: B
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.x2 - y2 = 4
A. r cos 2? = 4 B. cos2? - sin2? = 4r C. cos2? - sin2? = 4 D. r2 cos 2? = 4
Mathematics
Factor. Check by multiplying.7 + 70a + 35b
A. 7(1 + 70a + 35b) B. 7(1 + 10a + 5b) C. 7(0 + 10a + 5b) D. 70(1 + a + b)
Mathematics
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 = 65°, a = 6, b = 10
A. one triangle B = 34°, C = 81°, c = 20 B. one triangle B = 32°, C = 83°, c = 18 C. one triangle A = 33°, C = 82°, c = 16 D. no triangle
Mathematics
Decide whether the relation is a function.?
A. Function B. Not a function
Mathematics