Question about Dk Multimedia I Love Math - 2nd (2071074) for PC, Mac

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Totaling, accumulation, supplement, surcharge ,extension , summation

Posted on Jul 21, 2010

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Posted on Jan 02, 2017

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Let's take it one step at a time.

First part of the sentence uses the word sum. Sum = Addition

Later, the word product. Product = Multiplicaton

Rephrasing, we want two number that add to 20 and multiply to 51.

Let a be the first number.

Let b be the second number.

a + b = 20

a x b = 51

You either solve this in your head, by trial and error. The next step I take is to factor the a x b or 51. The factors are 1, 3, 17, and 51.

Which of these numbers add to 20? 17 and 3.

Good luck,

Paul

First part of the sentence uses the word sum. Sum = Addition

Later, the word product. Product = Multiplicaton

Rephrasing, we want two number that add to 20 and multiply to 51.

Let a be the first number.

Let b be the second number.

a + b = 20

a x b = 51

You either solve this in your head, by trial and error. The next step I take is to factor the a x b or 51. The factors are 1, 3, 17, and 51.

Which of these numbers add to 20? 17 and 3.

Good luck,

Paul

Feb 28, 2018 | Homework

The words "torrential" and "adventure" are not stored in the game's "database" of valid words.

Aug 20, 2015 | Office Equipment & Supplies

SUM means adding not subtracting. so if you were wanting to add the total (the sum) of the amounts of the hundreds and the tens would be 170 plus 130 which would be 300 but the remainder from subtracting 130 from 170 would be 40. That would leave the single units 5 minus 4 of which the remainder is 1. So, the remainder from subtracting 134 from 175 is the reminder of subtracting the one hundred from the one hundred which is zero added to the remainder of subtracting the tens (70 minus 30) which is the remainder of 40 plus the remainder of subtracting the units of 5 minus 4 which is 1. So you need to add the 0 and the 40 and 1 which is the remaining sum of 41.

Sep 19, 2014 | Office Equipment & Supplies

I suppose you have 5 fingers in each hand.

If you put your two hands together, you make a new set of fingers out of the first two (the hands)

How many fingers in the new set, count them: 10.**When you count by 1, you are in fact adding 1 to the previous result**

You could see this new number of fingers as some combination (putting together, gathering) of the two numbers 5.

Mathematically you call this operation (combination)**addition**

The simplest things are sometimes the hardest to explain, or put into words.

**Terminology: words **

Let a and b be two numbers (Please do not ask me about their values: make up your own.)

The addition operation is symbolized by the + sign.

Addition of** a** and **b**, or of b to a is written as a+b.

The result of the operation is called its**sum **

If I write a+ b= c, where c is some number

b is called the**addend** ( it is short for addendum), c is the sum . For some authors both a and b are called addends. **You could say that any number involved in an addition (operation) is an addend.**

**Properties**

2+3= 3+2=5

For arbitrary numbers (numbers you may choose), you can write

a+b=b+a

The order of the terms (which comes first, and which second) has changed but the result is the same. This is a property that is common to (shared with) all additions. It has received a scientific name,**commutativity**.

The addition is a commutative operation and we write**a+b=b+a**

Now imagine you have to add three or more numbers

2+5 +17

You can do that in two steps

Add 2 and 5, then add the result to 17

(2+5)+17

You can also add in another way: add 5 and 17, then add the result to 2, which you write as 2+(5+17)

Let's compare the results of the two ways

(2+5)+17=7+17=24

2+ (5+17)=2+22=24

The two sums are identical. (2+5)+17=2+(5+17)=24

For other undisclosed numbers we can write

**(a+b)+c=a +(b+c)**

This property is verified by all sets of three numbers. It is a general property called**associativity**

There is another property

**Neutral element**.

In every set of numbers that has addition as a rule there is an element, call it**e,** such that

for any number a of the set**a+e=e+a=a**

the element e is called the neutral element, in that when added to a number it gives you back that number. For real numbers, the neutral element is the**number 0**.

**Summary** of words introduced :

**To add, addition, terms, addends, result, sum, commutativity, commutative property, associativity, associative property, neutral element.**

I will stop here, believing that you have ADDED many new terms (words) to you vocabulary.

If you put your two hands together, you make a new set of fingers out of the first two (the hands)

How many fingers in the new set, count them: 10.

You could see this new number of fingers as some combination (putting together, gathering) of the two numbers 5.

Mathematically you call this operation (combination)

The simplest things are sometimes the hardest to explain, or put into words.

Let a and b be two numbers (Please do not ask me about their values: make up your own.)

The addition operation is symbolized by the + sign.

Addition of

The result of the operation is called its

If I write a+ b= c, where c is some number

b is called the

2+3= 3+2=5

For arbitrary numbers (numbers you may choose), you can write

a+b=b+a

The order of the terms (which comes first, and which second) has changed but the result is the same. This is a property that is common to (shared with) all additions. It has received a scientific name,

The addition is a commutative operation and we write

Now imagine you have to add three or more numbers

2+5 +17

You can do that in two steps

Add 2 and 5, then add the result to 17

(2+5)+17

You can also add in another way: add 5 and 17, then add the result to 2, which you write as 2+(5+17)

Let's compare the results of the two ways

(2+5)+17=7+17=24

2+ (5+17)=2+22=24

The two sums are identical. (2+5)+17=2+(5+17)=24

For other undisclosed numbers we can write

This property is verified by all sets of three numbers. It is a general property called

There is another property

In every set of numbers that has addition as a rule there is an element, call it

for any number a of the set

the element e is called the neutral element, in that when added to a number it gives you back that number. For real numbers, the neutral element is the

I will stop here, believing that you have ADDED many new terms (words) to you vocabulary.

Dec 12, 2013 | Computers & Internet

That's called the commutative property of addition. The sum is the same regardless of the order of the addends (the numbers being added).

Sep 19, 2011 | Computers & Internet

Assuming that is the only change and the equation is strictly addition, then the sum remains unchanged.

The bottom line (literally) is you are adding zero to the total.

My turn, what happens when I answer your question?

Answer: You rate me very helpfful

The bottom line (literally) is you are adding zero to the total.

My turn, what happens when I answer your question?

Answer: You rate me very helpfful

Sep 17, 2010 | Computers & Internet

Whether you will get an increase in speed or not depends on which operating system you are using and what applications you are running. If you are just surfing the web and running spreadsheet or word processing - I doubt you would see much difference. If you go to www.crucial.com and let it scan your system - it will tell you what upgrade options you have.

Mar 11, 2010 | Acer Aspire T310 PC Desktop

a 2 digit number is a tens place digit plus a singles place digit:

10x + y

if you reverse the 2 digits, it looks like:

10y + x

So, the original 2-digit number, plus another 18, gets the 2nd 2-digit number:

10x + y + 18 = 10y + x

AND adding the 2 digits gets 14:

x+y = 14

Solve for x: x = 14-y

Substitute x back into the previous equation and solve for y:

10 (14 - y) + y + 18 = 10y + (14 - y)

140 - 10y + y + 18 = 10y + 14 -y

158 - 9y = 9y + 14

144 - 9y = 9y

144 = 18y

y = 8

So if y = 8, x must equal 6: x+ y = 14 --> 6 + 8 = 14

And the original number, 68, if you reverse the digits --> 86

86 is 18 greater than 68.

I love math!

10x + y

if you reverse the 2 digits, it looks like:

10y + x

So, the original 2-digit number, plus another 18, gets the 2nd 2-digit number:

10x + y + 18 = 10y + x

AND adding the 2 digits gets 14:

x+y = 14

Solve for x: x = 14-y

Substitute x back into the previous equation and solve for y:

10 (14 - y) + y + 18 = 10y + (14 - y)

140 - 10y + y + 18 = 10y + 14 -y

158 - 9y = 9y + 14

144 - 9y = 9y

144 = 18y

y = 8

So if y = 8, x must equal 6: x+ y = 14 --> 6 + 8 = 14

And the original number, 68, if you reverse the digits --> 86

86 is 18 greater than 68.

I love math!

Sep 01, 2009 | Google Computers & Internet

Dear pauline, you can link cells in formula bar to see immediate effect of additions and subtractions in dependent boxes.

Like for example you add three numbers in three boxes A1, B1, C1 and answer is supposed to go in D1, just type =SUM(A1+B1+C1)

in D1.

now when you will change the values of a b and c boxes, the value of d1 will automatically change. for adding more numbers you can leave boxes empty so that you can fill in later to see the change in the sum box.

please press fixya if that has helped you.

Like for example you add three numbers in three boxes A1, B1, C1 and answer is supposed to go in D1, just type =SUM(A1+B1+C1)

in D1.

now when you will change the values of a b and c boxes, the value of d1 will automatically change. for adding more numbers you can leave boxes empty so that you can fill in later to see the change in the sum box.

please press fixya if that has helped you.

Dec 11, 2007 | Computers & Internet

In Actionscript 2.0 the output to the script below will be 15. Make sure that the values for the variables do not contain strings or extra characters like quotation marks.
num1 = 5;
num2 = 10;
sum = num1 + num2;
trace(sum);

Sep 28, 2007 | Macromedia Flash MX

Jul 22, 2018 | Computers & Internet

Jul 22, 2018 | Computers & Internet

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