How many pairs of Whole numbers have a sum of 40

Answers

Answer 1

whole numbers are like counting numbers { 0, 1, 2,3, 4, ...} ; only positive.
since they add to make 40 there will be 40 pairs because every time you subtract one to add to the other.

40 + 0 = 40
39 + 1 = 40
38 + 2 = 40
...

Answer 2

Prime #s up to 40:

2,3,5,7,11,13,17,23,29,31,37.

There are 3 pairs of prime numbers having sum of 40. The pair are {3,37},{11,29},{17,23}.

Related Questions

Which statement is true? 500 is 10 times as much as 50

Answers

This Statement is true because

10 x 50 = 500

Good Luck! <3

This given statement IS TRUE:
___________________________________________
"500 is 10 times as much as 50."
___________________________________________

Note: "500" is , in fact, 10 times as much as "50" .
_______________________________________
Note: "50 * 10 = 500" .
_______________________________________

Tara read 1/3 of a book on Monday, 2/7 of the book on Tuesday, and 2/9 of the book on Wednesday. How much of the book did she read?

Answers

I can help you :) First, you need to find the common denominator in equation.

Hello! So what we have to do is find the least common denominator for 3, 7, and 9, which is 63. 1/3 is 21/63, 2/7 is 18/63, and 2/9 is 14/63. The denominator stays the same. But add the numerators together. 21 + 18 + 14 is 53. Tara has read 53/63 of the book.

Why are astrologers not considered to be scientists?

Astrologers do not use tools.

Astrologers do not observe the universe.

Astrologers do not use the scientific method.

Astrologers do not go to college.

Answers

The answer is: [C]: "Astrologers do not use the scientific method."
_____________________________________________________
Note: Choice [A] is incorrect. Astrologers do use tools.
_____________________________________________________
Choice [B] is incorrect. Some astrologers do observe the universe.
_____________________________________________________
Choice [D] is incorrect. Astrologers may or may not go to college; and whether or not they do or do not is irrelevant as regard to whether to they are considered "scientists".
_____________________________________________________

Answer:

Astrologers do not use the scientific method.

I would say, astrologers do not use methods that are accepted as a scientifical at this moment. Scientific methods (especially experiments) are not possible in a field of astrology, because there are too many variables to control. But, actually, psychoanalysis also des not meet scientific conditions.

What is the measure of ∠R? ° triangle RST with angle S of 76 degrees and angle T of 68 degrees

Answers

ok so 76+68=144 and there are 180 degress in a triangle so 180-144= 36. so angle R is 36 degrees. hope that was helpful if not lmk

Simplify 19 - 1.67 + (-2.4)

Answers

Since +(-2.4) is simply +1(-2.4), we get 19-1.67-2.4=14.93

19-1.67+(-2.4)=14.93

Nuts cost $1.75 per jar. How many jars can you buy with $14?

Answers

8 is the answer. Divide...

The equation is

1.75 J = 14

J = 14 ÷ 1.75

J = 8
You can buy 8 Jars with $14.00

Write a definition of rounding IN YOUR OWN WORDS!!!!

Answers

Round is just making a nummber simpler !!!

The definition of rounding is either making a number easier to use by making it smaller or larger based on the the digits. over 5 round up under 5 round down.

Help me pleaseeee :/

Answers

1.3+-2.4= -1.1 hope I helped :)

I think the answer is :1.1

5+3 = 3+5 what property is this

Answers

Commutative property of addition:

It states x+y = y +x

Hope this helps!

this is commutative property of addition...which basically states that u can " commute " -- move the numbers-- and the result comes out the same

Ms. Merullo rounded the number 647,483 to 650,000. What place did she round her number to?

Answers

The ten thousands place.

Hope this helps!

Various properties of a liquid are recorded during an experiment. The volume of the liquid is measured to be 25.5 milliliters. The density of the liquid is found to be 1.76 g/mL. The liquid is blue in color. Which item(s), if any, of the information recorded is/are qualitative data?

Answers

Qualitative has to do more with your senses, and quantitative is more about numbers. Quantitative would be something like the volume is 25.5 mL, but the liquid being blue would be qualitative since it has no numbers

don't answer if you don't know.
3x−8=8x+4/2

Answers

3x-8=8x+4/2The answerx= -2

Find the product to the nearest ten. (100.8) (24.5)

Answers

The product is 2,468.60.

Jonathan is looking for a part-time job in order to make some extra money after school. The shoe store wants to pay him $7.85 per hour;the clothing store wants to pay him $7.58 per hour;and the pet store wants to pay him $7.65 per hour. Where will Jonathan make the most per hour?

Answers

The shoe store. Which makes $7.85

In comparing the rates of pay offered by the shoe store, clothing store, and pet store, Jonathan will make the most money per hour working at the shoe store, which offers $7.85 per hour.

Jonathan is considering three different part-time job offers, each with a different hourly pay rate. The shoe store offers $7.85 per hour, the clothing store offers $7.58 per hour, and the pet store offers $7.65 per hour. To maximize his earnings, Jonathan should choose the job that pays the highest hourly rate. By comparing these rates, we can see that the shoe store, which offers $7.85 per hour, pays the most. Therefore, Jonathan will make the most per hour working at the shoe store.

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what percent of 92 is 69

Answers

75% of 92 is 69, hope this helps

The number 69 is 75 % or 75 percentage of the number 92

What is Percentage?

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, %

The difference between an exact value and an approximation to it is the approximation error in a data value. Either an absolute error or a relative error might be used to describe this error.

Percentage change is the difference between the measured value and the true value , as a percentage of the true value

Percentage change =( (| Measured Value - True Value |) / True Value ) x 100

Given data ,

Let the percentage be represented as A

Let the first number be n₁ = 92

Let the second number be n₂ = 69

And , the percentage value of 69 of the number 92 is given by

n₂ = ( A / 100 ) x 92

On simplifying , we get

69 = ( A / 100 ) x 92

Multiply by 100 on both sides , we get

6900 = 92A

Divide by 92 on both sides , we get

A = 6900 / 92

A = 75 %

Therefore , the value of A is 75 %

Hence , the percentage value of 69 of the number 92 is 75 %

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write 7 1/5 as a decimal

Answers

7 1/5 = 36/5 = 7.2 <== first, turn ur mixed number into an improper fraction...and then just divide ...36 divided by 5 = 7.2

The solution of the expression [tex]7\dfrac{1}{5}[/tex] which is in the mixed fraction as a decimal form is 7.2.

The combination of a whole number and a proper fraction is called as mixed fraction.

The solution of the expression [tex]7\dfrac{1}{5}[/tex] as a decimal is calculated as:

First, convert the given mixed fraction into the improper fraction.

[tex]7\dfrac{1}{5} =\dfrac{(7 \times 5)+1}{5}[/tex]

On further solving,

[tex]\dfrac{(7 \times 5)+1}{5} = \dfrac{36}{5}[/tex]

The improper fraction is converted into the decimal by dividing 36 by 5,

which results to 7.2.

The solution of the expression [tex]7\dfrac{1}{5}[/tex] as a decimal, is 7.2.

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Patrick subtracted 4,832-2,322 and got 2,510.is hus difference reasonable?explain

Answers

Yes, patrick's answer is reasonable because that is the difference of 4832 and 2232.
Hope this helped! :D

Death will most likely occur following exposure to: 100 R's 200 R's 500 R's

Answers

500 rs is the correct anwser

500rs hope this helps

A turkey costs $18.75 plus a 4% sales tax. How much will the turkey cost with the tax?

Answers

$18.75* 6.6%=
18:75* 0.065= 1.21875
1.21875 can be rounded to 1.22 or 1.22 for tax
$18.75 +1.22+ 19.97 total cost including tax

david counts the quarters in his change jar. He has 24 more quarters than his brother Rob. if r is the number of quarters Rob has, which expression represent the number of quarters and david and Rob have it all

Answers

Rob has R quarters, and David has R + 24 or 24 more than rob, so together they have 2R+24

solve each equation. 8.5 - 3z = - 8z

Answers

z=1.7 bam im so good

show how to move the parentheses in the expression 2+(3+4)9 so that the value of the expression is 9

Answers

I think this question is impossible because they all do not equal 9

what is the algebraic expression for:
1. 4 times a number cubed decreased by 7

2. 3 more than 5 times the number

3. 15 less than a number squared

4. The product of 5 and y added to 3

Answers

I wrote the algebraic expressions in order for you. When I show the up arrow, it represents that the number after the arrow is an exponent. Hopefully this helps. :D

4 • (n^3 - 7)

(5 x n) + 3

(n^2) - 15

3 + (5 x y)

What are the side lengths of the rectangle. Area=40 square inches. Perimeter=28 inches

Answers

4 4 10 10

10×4 = 40

4+4+10+10 = 28

A. Multiplication comes before division because in PEMDAS the M comes before D.

Answers

Multiplication and division have the precedence. We know which comes first because we go from left to right and which ever comes first is done first.

Students who use PEMDAS often think that multiplication must come before division but that's not necessarily the case. If division appears before multiplication when your reading the problem from left to right, do your division first and then move on to your multiplication.

how do i solve this equation

Answers

The answer is 4(x3−2)2+7

240-15m=200-5m
HELP ME

Answers

240-15m = 200-5m
we need to get the terms with the m on one side of the equations and the other terms on the other side:
240-200 = -5m+15m
40 = 10m
m = 40/10
m = 4

Hi there,

240 - 15m = 200 - 5m
- 15, + 5m = 200 - 240
- 10m = -40

M = 4

If teamwork and support are high on your priority list, a _______ may be a poor choice for a business.

A. close corporation.
B. corporation.
C. sole proprietorship.
D. partnership.

Answers

Answer:

C. Sole proprietorship

Explanation:

This was correct for the PF test.

Hope this helps! :)

If teamwork and support are high on your priority list, a closed corporation

maybe a poor choice for a business.

Option A is the correct answer.

What is a closed corporation?

A closed corporation is a smaller corporation held by a smaller number of shareholders and is not publicly traded.

We have,

Teamwork and support are high on your priority list.

This means,

We need more people and support from people.

So,

A closed corporation may be a poor choice.

Thus,

If teamwork and support are high on your priority list, a closed corporation

maybe a poor choice for a business.

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Which graph represents the solution set of the system of inequalities?

Answers

the bottom left graph, the lines cross at (-1,-1) and the right side of the graph is shaded

Write an integer whose absolute value is greater than itself

Answers

Any negative number is correct because a negative number's absolute value will be positive. Which automatically makes it larger than the negative number. For example: -1 < |-1|

All negative numbers are integers whose absolute value is greater than itself for example-3.

What is absolute value?

Absolute values are the value of any digit without considering the sign.

So all negative values will be considered positive for absolute value.

For example, the absolute value of -2 will be 2 and the absolute value of -7 will be 7.

Absolute value is value without considering sign so all negative values will be considered positive.

For example -3 → | -3 | = 3 and 3 > -3

All positive values will be greater than their negative value.

Hence "All negative numbers are integers whose absolute value is greater than itself".

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