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deenarae

  • 2 years ago

can you please help me translate 48 divided by the sum of 3 and 9 into numerical expression

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  1. UnkleRhaukus
    • 2 years ago
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    \[48 \div (3+9)\]

  2. anjali_pant
    • 2 years ago
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    \[48\div(3+9)\]

  3. deenarae
    • 2 years ago
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    ok thanks i have another if u could help with it also plz

  4. UnkleRhaukus
    • 2 years ago
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    sure

  5. anjali_pant
    • 2 years ago
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    and dt gives 4

  6. UnkleRhaukus
    • 2 years ago
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    \[+ \text{d}t =4\]

  7. deenarae
    • 2 years ago
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    translate the quotient of 12 plus 8 and 5 into numerical expression

  8. anjali_pant
    • 2 years ago
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    *that (48/12=4)

  9. UnkleRhaukus
    • 2 years ago
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    \[(12+8) \div 5\]

  10. deenarae
    • 2 years ago
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    how did u get that answer im confused

  11. deenarae
    • 2 years ago
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    then it also says to write result in both horizontel and vertical format????

  12. UnkleRhaukus
    • 2 years ago
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    well the quotient between two numbers ( a and b ) can be written as \[a\div b\]or equivalently\[\frac{a}{b}\]

  13. UnkleRhaukus
    • 2 years ago
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    so the first one can also be written as \[\frac{48} {3+9}\]

  14. UnkleRhaukus
    • 2 years ago
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    and the last one \[\frac{12+8}{5}\]

  15. deenarae
    • 2 years ago
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    thanks unkle rhaukus i finally get it

  16. UnkleRhaukus
    • 2 years ago
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    yay did you also know \[(a+b )\div c = \frac{a+b}{c} =\frac{a}{c} +\frac{b}{c}\]

  17. deenarae
    • 2 years ago
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    1 last question just check one i already did: the sum of twice four and nine

  18. UnkleRhaukus
    • 2 years ago
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    \[( 2\times 4) +9\]

  19. deenarae
    • 2 years ago
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    the last part yopu just did we havent quite got that far yet thanks i didnt do it right but i can see where i messed up

  20. Rohangrr
    • 2 years ago
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    it will be some what like this it's only a hint! Problem: Ms. Jensen likes to divide her class into groups of 2. Use mathematical symbols to represent all the students in her class. Solution: Let g represent the number of groups in Ms. Jensen's class. Then 2 · g, or 2g can represent "g groups of 2 students". In the problem above, the variable g represents the number of groups in Ms. Jensen's class. A variable is a symbol used to represent a number in an expression or an equation. The value of this number can vary (change). Let's look at an example in which we use a variable. Example 1: Write each phrase as a mathematical expression. Phrase Expression the sum of nine and eight 9 + 8 the sum of nine and a number x 9 + x The expression 9 + 8 represents a single number (17). This expression is a numerical expression, (also called an arithmetic expression). The expression 9 + x represents a value that can change. If x is 2, then the expression 9 + x has a value of 11. If x is 6, then the expression has a value of 15. So 9 + x is an algebraic expression. In the next few examples, we will be working solely with algebraic expressions. hope it helps!!

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