3. A certain two-digit number, n, has a units digit that is three times the tens digit. Which of the following must be true? A. n> 20 В. п< 40 C. n is odd D. n is even E. n is a multiple of 3

Q: If 2*+4 = 23-1 what is the value of æ? %3D

A: To solve this problem we use here the besic property of power and exponent.  ax=ay , Imply x=y

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A: Let the two digit number be xy. It is given that the sum of the digits is 9. Hence x+y=9.

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A: Given: Age of the person = 4 years Age of the sister = 2 years (half of that of person's age)…

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A:

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A: Consider the given information. a We have to find the time that you spend running to your friends…

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A: Let the age of C  be x . Then B's age and A's age are 2x and x respectively.Then formulate an…

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A: One of the methods of counting in a problem is the fundamental counting principle. The fundamental…

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A: Let x denote the number of times aj can have cookies. So after x times, there will be no cookies…

Q: I. Using the numbers 0, 2, 3, 4, 6, and 8, how many 4-digit odd numbers between 2000 and 8000 can be…

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Q: From all three-digit numbers find the one tha

A:

Q: a pound of turkey cost $0.61, how much will q pounds cost? The cost of q pounds of turkey is $____

A: We have to find

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A:

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A: Explanation of the answer is as follows

Q: a) How many 2-digit

A:

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A:

Q: solve the following a. 20!/16! b. P{6,3} c. C{9,}

A: 6)a)

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A:

Q: Which of the following is not a simplification of the combination 6 dimes, 1 dollar bill, and 3…

A: Given combination,  6 dimes, 1 dollar bill, and 3 nickels To find the simplification of combination.…

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A: Introduction: In mathematics, a permutation of a set is a loose organisation of its members into a…

Q: Suppose a student earned grades of 92, 73, 85, 62 and 74 on five quizzes, a grade of 86 on her…

A: Given Data: Let X represent Earned Grades on five quizzes X¯=∑Xn=92+73+85+62+745=77.2   Grade on…

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A:

Q: The distance between x and 3 on a number line is no more than 0.5.

A: Given: The distance between x and 3 on a number line is no more than 0.5

Q: Jenny is now 18 and Carmen is 12. How many years ago was Jenny twice as old as Carmen?

A:

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A: Given,  Average of 5 integers is 8  So, sum of all integers is 40

Q: Show that every odd integer is the sum of two consecutive integers

A: