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These are critical thinking exercises. You're required to take a sentence equation and write it as a mathematical equation.
In most cases we use the sentence to tell us the operations. Here we have the word difference which tells us we're going to be subtracting. Ordering the numbers is the harder part. However, you should always start with a given number unless the problem was reversed (i.e. "How do you write the difference of a number k and 12")
So now we simply throw our computation together.
12 - k is the difference of 12 and a number k.
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How do you write 7 less than a number k?
I 277273
How do you write a verbal expression for each algebraic expression?
the + of a number and 10 k decreased by 4 = k-4
What is the equivalent fraction to three twelfths?
It is any number of the form (3*k)/(12*k) where k is a non-zero integer or the reciprocal of a common factor of 3 and 12.
How many 12 number combinations you get form 1 to 12?
The number of combinations of 12 numbers taken 12 at a time (i.e., choosing all 12 numbers from a set of 12) is calculated using the binomial coefficient formula, which is ( \binom{n}{k} = \frac{n!}{k!(n-k)!} ). For ( n = 12 ) and ( k = 12 ), this simplifies to ( \binom{12}{12} = 1 ). Therefore, there is only one combination of 12 numbers from 1 to 12, which includes all the numbers themselves.
Write an algebraic expression for this word expression a number k minus 2.5?
k-2.5 An algebraic expression is just using variables (in this case, k) for unknown numbers. Since the question is asking what the number k minus 2.5 is, your answer is k-2.5.
