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you can make at least 25 sums
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What 4 numbers can be used in combinations or differences to make all numbers from 1 to 30?
Using only sums and differences, and not necessarily all four numbers, 1, 3, 9 and 27 will make all numbers from 0 to 40.
How many sums equal 24?
There is an infinite amount of numbers that can sum up to 24. Only 23, if you are just counting positive numbers.
Sums numbers then divides by the number of values?
average function
How many ways to make number 9?
Infinitely many. Start with sums of two whole numbers: 5+4, 6+3, 7+2, 8+1, 9+0, 10+(-1), 11+(-2), ... and infinitely more. Then consider numbers to one decimal place (dp): 4.5+4.5, 4.6+4.4, 4.7+4.3, and infinitely more of those. And then numbers with 2 dp, 3 dp, ... infinitely many dp. Next, consider sums of 3 numbers, 4 numbers, 5 numbers, ... , infinitely many numbers - in each case using numbers with 1 dp, 2 dp, 3 dp, ... infinitely many dp. When you have done all those you can start with multiplications. And then move on to other mathematical operations.
What two numbers add to make negative eleven and multiply to make 28?
List numbers that multiply to make 28 and find their sums. Since negative times a negative is positive, list the negatives. -1, -28 = -29 -2, -14 = -15 -4, -7 = -11 Aha! -4 and -7 multiply to make 28 and add to -11; therefore, -4 and -7 are the two numbers.
How many unique sums can be found by adding three different numbers from multiples of three up to thirty?
There are 22 such numbers.
How many sums equal 23?
Infinitely many. 12+11, 13+10, 14+9, ... , 22+1, 23+0, 24+(-1), 25+(-2), ... and then you have sums with numbers to one decimal place (dp) such as 11.6+11.4, and so on. Not forgetting numbers to 2 dp, 3, dp, 4, dp, ... , infinitely many dp. But these are only sums of two numbers. There are sums of 3 numbers, 4 numbers, ... infinitely many.
What 6 numbers can make numbers 1-63?
Sums of one or more of the numbers: 1, 2, 4, 8, 16, and 32.
What is the sum of 10 composite numbers?
There are infinitely many composite numbers. There are, therefore, infinitely many subsets of ten such numbers. There are, therefore, infinitely many possible sums.
What are the different ways you can make twenty-four?
There are infinitely many ways. First consider sums of two numbers: 12 + 12, 11 + 13, 10 + 14, ... , 1 + 23, 0 + 24, -1 + 25, -2 + 26, ... Then cosider numbers to 1 decimal place (dp): 11.9 + 12.1, 11.8 + 12.2, ... then pairs of numbers to 2 dp, 3 dp and so on, to infinitely many decimal places. That's sums of pairs of number done. Next consider sums of triplets, and then quartets, quintets, and so on, to infinitely many numbers. So that's sums dealt with. Now start with multiplications. In much the same way as with addition, there are infinitely many pairs, triplets and so on. After that you can start looking at exponential, inverse, logarithmic, trigonometric functions.
What two prime numbers have a sum of 40 and 54 and 84?
Two prime numbers can have only one sum, not three different sums!
What two numbers add to 100 but add to 21?
121
How do you estimate mixed numbers sums?
you have to add
What 4 numbers can be used in combinations or differences to make all numbers from 1 to 30?
Using only sums and differences, and not necessarily all four numbers, 1, 3, 9 and 27 will make all numbers from 0 to 40.
How many different sums when you roll 3 dice?
216/3 = 72
How many sums equal 24?
There is an infinite amount of numbers that can sum up to 24. Only 23, if you are just counting positive numbers.
What are consecutive sums?
Many numbers can be expressed as the sum of two or more consecutive integers. For example, the number 15 can be written as the sum of consecutive integers in three different ways: 15=7+8 15=4+5+6 15=1+2+3+4+5 Look at numbers other than 15 and find out all you can about writing them as sums of consecutive whole numbers.
