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In Unknown Change problems, the middle number is the unknown number.
Example 1 - Unknown Change (minus)
162 apples were in an apple tree. A gust of wind blew the tree, and some apples fell to the ground. 124 apples remained. How many apples fell from the tree?
(Answer = 38)
Example 2 - Unknown Change (plus)
Rochester, NY received 1 foot of snow in 24 hours. Over the next few days, it continued snowing. When the skies finally cleared, there was a total accumulation of 5 feet, 6 inches of snow. How much snow fell after the first day?
(Answer = 4 feet, 6 inches)
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How is a division problem is like an unknown factor problem?
Because its cut
What is the volume of a pre 1982 penny?
it is unknown becasue of the change of pennys evry year
True Or False Any value that is unknown or can change is a variable?
True.
What does the word unknown mean in math?
Usually in algebra the term "unknown" is used for a variable ( commonly designated as x ) you are trying to solve for. For instance the mathematical expression 2 + x = 5 may be presented to the student as a problem. The answer is to solve for the unknown or x. The solution would be x = 3
How can you find an unknown factor in a multipliication problem?
It usually involves some kind of dividing. Take a basic problem like n x 5 = 45, where n is the unknown factor. Divide both sides of the equation by 5 so that n stands alone. 45 divided by 5 is 9, so n = 9
What is a unknown or change quantity?
An unknown or changing quantity is a variable in a mathematical equation or problem that is not fixed but can take different values. It is typically represented by a letter, such as x or y, and its value needs to be determined in order to solve the problem.
What is the unknown in the problem?
Which problem are you refering to, because otherwise we cannot answer.
What are the reasons to have an unknown problem?
There might not be a problem which makes you think there is one
How is a division problem is like an unknown factor problem?
Because its cut
What is an initial uknowproblem?
An unknown problem is just that. It is a problem that is unforeseen or that a person is not aware of. When there new programs being release there are sometimes problems that are unknown.
What is an unknown start problem?
In “unknown start” problems, the starting number is the unknown number. Unknown Start: Change Plus Greta’s chicken laid some eggs. Then the chicken laid 7 more. Now Greta has 13 eggs. How many eggs did the chicken lay at the start? Unknown Start: Change Minus Patricia was carrying some books. Her friend took 3 of them. Patricia has 8 books left. How many books was she
What was a problem William Shakespeare had in his life?
Unknown
What this change in temperature?
unknown "this"
Under what conditions people resist change in an organization how this resistant can be overcome?
People resist change within an organization because there is a fear of the unknown. This problem can be overcome by having training courses at the convenience of the employee about the new changes.
What does representative in math?
A variable is representative of an unknown quantity in a problem.
What is 'problem' in Latin?
as an adjective (problematic) it is problematicus. As a noun it is unknown to me
What is main problem of human?
the main problem of a human is war, weapons, violence, and mental problems The main problem of a human is the unknown.
