Name the place held by the specified digit in the given number.4 in the number 247,189
A. thousands
B. hundred thousands
C. ten thousands
D. hundreds
Answer: C
Mathematics
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Solve the problem.The mathematical model C = 500x + 60,000 represents the cost in dollars a company has in manufacturing x items during a month. Based on this model, how much does it cost to produce 700 items?
A. $350,000
B. $
C. $120
D. $410,000
Mathematics
A rectangular wall 8 yards by 3 yards is to be insulated. How much area needs to be covered?
(a) 20yd2 (b) 22yd2 (c) 11 yd2 (d) 24yd2
Mathematics
Differentiate.f(x) = (3x5 - 5x4 + 3)309
A. f'(x) = 309(3x5 - 5x4 + 3)308(15x4 - 20x3) B. f'(x) = 309(3x5 - 5x4 + 3)308(5x4 - 4x3) C. f'(x) = 309(15x4 - 20x3)308 D. f'(x) = 309(3x5 - 5x4 + 3)308
Mathematics
Solve.-x2 + 81 = 0
A. -9 B. -1, 81 C. -9, 9 D. 9
Mathematics