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A Fact Family!
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∙ 14y ago
Anonymous
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What is the importance of Dimensionless numbers?
Dimensionless numbers allow you to compare two systems that are vastly different by combining the parameters of interest. For example, the Reynolds number, Re = velocity * length / kinematic viscosity. If you are testing an airfoil with a particular Re, and you want to run a simulation on a scaled-down model (length is smaller), you could increase fluid velocity or lower kinematic viscosity (change fluids) or both to establish the same Re and ensure you are working under comparable circumstances.
What is the meaning of Least Common Multiple?
Is more alike or for example, 10 and 15. well you find all the numbers that equal to 10 and 15 then look for the one that is the same number as the two. so for 10 and 15 the greatest common multiple is 5. so it means to find the one that is more alike it is the opposite of least common.
Why two negatives is a positive?
I feel that two negatives are positive because you add* your two negative integers* together, you would be doing this: -+- (negative + negative) so the response is, is that if two integers where both negative, you would add, just like if there were two positives, you would add, but not if you have different signs. (positive+negative) you would subtract. Just as the same with negative + positive. [REVIEW: if the sign is the same, add, if the sign is different, you subtract.] *=you may not always add *=integers- a fancy word for numbers.
In math is A-B the same as B-A?
yes they are the same is that ok with you
A test may be reliable but not necessarily validIs it possible for a test to be valid but not reliable?
A test may be reliable but not valid. A test may not be valid but not reliable. For example, if I use a yard stick that is mislabeled to measure the distance from tee to hole in golf on different length holes, the results will be neither reliable nor valid. If you use the same stick to measure football fields that are the same length the result will reliable (repeatable, consistent) but not valid (wrong numbers of yards). There is no test that is unreliable (repeatable, consistent) and valid (measures what we are looking for).
What is a group of related facts using the same numbers?
Fact families
What is a group of related multiplication and division facts that use the same numbers?
array
What is a set of related multiplication and division equations using the same number?
Related facts
What are facts with square numbers?
the same number
What is a set of related multiplication and division sentences that use the same numbers called?
Fact family
What is a set of related multiplication and division sentences using the same numbers called?
i dont know eather
What are numbers called that have the same value?
Equivalent numbers.
How are whole numbersintegers and rational numbers related?
Whole numbers and integers are the same. They are a proper subset of rational numbers.
How are whole numbers rational numbers and integers related?
Whole numbers are the same as integers. Whole numbers are a proper subset of rational numbers.
What is a related fact of a fact family?
They always have the same numbers.
How are the reciprocal of nonzero number and the multiplicative inverse of the numbers related?
For numbers with ordinary multiplication defined on them, they are the same.
Is 2x2 equals 4 a fact from a fact family that has only facts?
because they use the same numbers
