Solve the problem.You have x dollars. After spending
on lunch, you have
left. Write an equation to describe the change in the amount of money.
A. x - 5.75 = 2.2
B. x - 2.2 = 5.75
C. x + 5.75 = 2.2
D. 5.75 - x = 2.2
Answer: A
Mathematics
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A.
B.
C.
D.
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The first term of the arithmetic sequence is and the common difference is (-
). Which term of this sequence is
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Find Pk+1 from the given statement Pk.Pk: (5 + k)(5 - k) = 25 - k2
A. Pk+1: (6 + k)(4 - k) = 25 - (k + 1)2 B. Pk+1: (6 + k)(6 - k) = 25 - (k + 1)2 C. Pk+1: (6 + k)(6 - k) = 26 - (k + 1)2 D. Pk+1: (6 + k)(4 - k) = 26 - k2
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Solve.How many different three-digit numbers can be written using digits from the set {3, 4, 5, 6, 7} without any repeating digits?
A. 60 B. 10 C. 20 D. 120
Mathematics