What must be subtracted from each of the numbers26 37 46 and 67 to get the numbers which are in proportion?

The sum of three consecutive even integers equals 72. What is the product of these integers?

Possible Answers:

Explanation:

Let us call x the smallest integer. Because the next two numbers are consecutive even integers, we can call represent them as x + 2 and x + 4. We are told the sum of x, x+2, and x+4 is equal to 72. 

x + (x + 2) + (x + 4) = 72

3x + 6 = 72

3x = 66

x = 22.

This means that the integers are 22, 24, and 26. The question asks us for the product of these numbers, which is 22(24)(26) = 13728. 

The answer is 13728.

Possible Answers:

Correct answer:

Explanation:

If the mean of the following set is 12, what is

(1,14,3,15,16,

Possible Answers:

Correct answer:

Explanation:

Since we are given the mean, we need to find the sum of the numbers. From there we can figure out

We can use this to find the sum by plugging in 

So our sum is 96.

So we know that our total sum minus the sum of the given numbers is equal to

So, 

There are 5 men and 4 women competing for an executive body consisting of :

1. President
2. Vice President
3. Secretary
4. Treasurer

It is required that 2 women and 2 men must be selected

How many ways the executive body can be formed?

Possible Answers:

Correct answer:

Explanation:

2 men can be selected:

2 women can be selected out of 4 women:

Finally, after the selection process, these men and women can fill the executive body in

This gives us a total of

Which number is needed to complete the following sequence:

1,5,_,13,17

Possible Answers:

Correct answer:

Explanation:

This is a sequence that features every other positive, odd integers.  The missing number in this case is 9.  

Find the missing number:

Possible Answers:

Correct answer:

Explanation:

Find the missing number:

To find the missing number, we need to find the pattern.

If we look closely, our numbers are going up by the same number each time: 13

To check this, find the difference between neighboring numbers

You get the idea.

So, to find the missing number, simply do the following:

Find n in the following sequence:

Possible Answers:

Correct answer:

Explanation:

You need to evaluate the terms in the sequence to determine the pattern that is shown. In this case, the first term is multiplied by 2 and the second term is found by adding 3.

The first four numbers in the following set are parabolic:  

Possible Answers:

Correct answer:

Explanation:

Notice that the world parabolic is given.  This means that our parent function will be in the form:   

The terms resemble a pattern where the parent function 

We can find the two missing terms by substituting 

The first number is:

The second number is:  

The respective numbers are:  

Find the missing numbers in the set of numbers:   

Possible Answers:

Correct answer:

Explanation:

Notice that the second and third terms in the set of numbers can be subtracted to determine the displacement of each number in the set.

Subtract negative three from one.  Enclose the negative number with parentheses.

Each number is spaced four units.

Subtract four from negative three to find the first number.

Add four to one to find the number for the second question mark.

This number is also four units from nine.

The answer is:  

Find the missing numbers, respectively:   

Possible Answers:

Correct answer:

Explanation:

Determine the distance between each number.

The second and the third number are spaced 

Check the third and fourth number if this is also has the same displacement.

Since this is true, this means that the numbers are also spaced at 

Notice the fractions are in decreasing order.

Add 

Reduce this fraction.

The first term is:  

Subtract 

Reduce this fraction.

The fifth term is:  

The correct answer is:  

Paul
Certified Tutor

Aston University, Bachelor of Science, Theoretical and Mathematical Physics. Oglethorpe University, Master of Arts, Accounting.

Scott
Certified Tutor

University of Illinois at Urbana-Champaign, Bachelor of Science, Mathematics.

Samantha
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Bastyr University, Bachelor of Science, Premedicine.

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