Simplify the expression-3÷(-2/5)
2 answers:
Answer:
Step-by-step explanation:
(-3)÷(-2/5)
KFC method
Keep the first number, Flip the second number & Change division to multiplication
Count the number of negative sign.
If number of negative sign is even, then the result will be a positive number
Here 2 negative sign. So result will be an positive number
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The algebraic expression for given statement is: 10x + 25 or 3(x + 4) + (7x + 13)
<em><u>Solution:</u></em>
Given the statement:
Three sets of a sum of a number and four are added to the sum of seven times the same number and thirteen
Let us first understand the given statement,
Let the number be "x"
" sum of a number and four" means x + 4
"Three sets of a sum of a number and four" translated to 3(x + 4)
"sum of seven times the same number and thirteen" means 7x + 13
<em><u>Thus the algebraic expression for given statement is:</u></em>
<em><u>Using distributive property in above expression</u></em>
Therefore,
<em><u>Combine the like terms</u></em>
Thus the required expression for given statement is: 10x + 25 or 3(x + 4) + (7x + 13)