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What is perpendicular fractions?
perpendicular fractions are gradients and are negative recipricals of each other and that multiply to give -1 for example:2/1 times -1/2 gives -1
What is 5x 2 an example of?
There are many examples to give for the product of 5 and 2, which is 10. One example is: I want to give 5 apples to each of the couple [which is 2 people]. How many apples do I need, so each of two people has 5 apples? Another example: The length is 5 cm and the width is 2 cm. What is the dimension? Including extra details for the question is a plus to make the question more specific.
2 sons and 2 fathers they have 3 apples how do they share?
split each apple into four give each 3 quarters
Why does the sum of the coefficients on the reactant side of a balanced equation does not have to equal the sum of the coefficients on the product sum of the equation?
The requirement for a balanced equation is that the numbers of each kind of atoms in the reactants must match the number of each kind of atoms in the products. The number of atoms in each molecule in the equation is the product of the coefficient and the subscript affixed after each element symbol in the formula to which the coefficient applies. For example, 2 Na + Cl2 = 2 NaCl. The coefficients on the left side total 3 but those on the right side total only 2. However, the number of atoms of each of sodium and chlorine total 2 on each side.
Can you give an example to show that subtraction is not commutative?
5 - 3 = 2 3 - 5 = -2 2 is not the same as -2 so the operation is not commutative.
