Mathematics
Grade-7
Easy

Question

The sum or difference of negative 3.5 plus open parentheses negative 5 6 over 10 close parentheses is _____.

  1. 10.2
  2. 3.8
  3. -9.1
  4. -1.7

Hint:

We will follow the simple BODMASS rule to solve the question.

The correct answer is: -9.1


    STEP BY STEP SOLUTION
    negative 3.5 plus open parentheses negative 5 6 over 10 close parentheses
W e space w i l l space c o n v e r t space m i x e d space f r a c t i o n space i n t o space s i m p l e space f r a c t i o n space
equals negative 3.5 space plus open parentheses negative 56 over 10 close parentheses
N o w space w e space w i l l space c o n v e r t space f r a c t i o n space i n t o space d e c i m a l space o r space w e space c a n space a l s o space t a k e space L C M space a n d space t h e n space s o l v e space
equals negative 3.5 minus 5.6
O n space s i m p l i f y i n g space w e space w i l l space g e t space
equals negative 9.1

    Related Questions to study

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    Determine the value of fraction numerator negative 6 over denominator 9 end fraction space plus space open parentheses fraction numerator negative 4 over denominator 2 end fraction close parentheses

    STEP BY STEP SOLUTION
    fraction numerator negative 6 over denominator 9 end fraction space plus space open parentheses fraction numerator negative 4 over denominator 2 end fraction close parentheses
O p e n i n g space b r a c k e t s space
space equals space fraction numerator negative 6 over denominator 9 end fraction space minus space 4 over 2 space
T a k i n g space L C M thin space o f space 9 & 2 space left parenthesis i. e space 18 right parenthesis
equals space fraction numerator negative 6 space cross times space 2 space minus space 4 space cross times space 9 over denominator 18 end fraction
space equals space fraction numerator negative 12 space minus space 36 over denominator 18 end fraction space
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    Determine the value of fraction numerator negative 6 over denominator 9 end fraction space plus space open parentheses fraction numerator negative 4 over denominator 2 end fraction close parentheses

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    fraction numerator negative 6 over denominator 9 end fraction space plus space open parentheses fraction numerator negative 4 over denominator 2 end fraction close parentheses
O p e n i n g space b r a c k e t s space
space equals space fraction numerator negative 6 over denominator 9 end fraction space minus space 4 over 2 space
T a k i n g space L C M thin space o f space 9 & 2 space left parenthesis i. e space 18 right parenthesis
equals space fraction numerator negative 6 space cross times space 2 space minus space 4 space cross times space 9 over denominator 18 end fraction
space equals space fraction numerator negative 12 space minus space 36 over denominator 18 end fraction space
equals space 48 over 18 space equals space fraction numerator negative 24 over denominator 9 end fraction
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    The cost of 7 over 2 meters of cloth is $ 231 over 4. The cost of one meter is __________.

    STEP BY STEP SOLUTION
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    Cost of 1 meter cloth = fraction numerator C o s t space o f space begin display style 7 over 2 end style m space c l o t h space over denominator begin display style 7 over 2 end style m end fraction
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    Cost of 7 over 2 space m cloth = $231 over 4
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    STEP BY STEP SOLUTION
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equals negative 2.2 plus 1.03 equals negative 1.17
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    STEP BY STEP SOLUTION
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    STEP BY STEP SOLUTION
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    STEP BY STEP SOLUTION
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    STEP BY STEP SOLUTION
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    STEP BY STEP SOLUTION
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equals space 15 open square brackets 5 over 4 space minus space 3 over 2 close square brackets space equals space 15 open square brackets fraction numerator 5 space minus space 6 over denominator 4 end fraction close square brackets space
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    STEP BY STEP SOLUTION
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    STEP BY STEP SOLUTION
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    STEP BY STEP SOLUTION
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    STEP BY STEP SOLUTION
    fraction numerator negative 4 over denominator 5 end fraction plus 7 over 5
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    MathematicsGrade-7
    STEP BY STEP SOLUTION
    fraction numerator negative 4 over denominator 5 end fraction plus 7 over 5
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    STEP BY STEP SOLUTION
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    The sum or difference of   negative 5 over 11 minus open parentheses fraction numerator negative 8 over denominator 11 end fraction close parentheses   is ____________.

    STEP BY STEP SOLUTION
    space minus 5 over 11 space plus space 8 over 11
T a k i n g space L C M thin space
fraction numerator negative 5 space plus space 8 space over denominator 11 end fraction
S i m p l i f y i n g space
space 3 over 11
    The answer of this question is 3 over 11

    The sum or difference of   negative 5 over 11 minus open parentheses fraction numerator negative 8 over denominator 11 end fraction close parentheses   is ____________.

    MathematicsGrade-7
    STEP BY STEP SOLUTION
    space minus 5 over 11 space plus space 8 over 11
T a k i n g space L C M thin space
fraction numerator negative 5 space plus space 8 space over denominator 11 end fraction
S i m p l i f y i n g space
space 3 over 11
    The answer of this question is 3 over 11
    parallel
    Grade-7
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    The product of 0.3 × 0.4 is _________.

    STEP BY STEP SOLUTION
    Product of 0.3 × 0.4 = ?
    0.3 space cross times space 0.4 space
C o n v e r t i n g space d e c i m a l s space i n t o space f r a c t i o n s
3 over 10 space cross times space fraction numerator 4 over denominator 10 space end fraction equals space 12 over 100
N o w space c o n v e r t i n g space f r a c t i o n space i n t o space d e c i m a l space
12 over 100 equals space 0.12

    The product of 0.3 × 0.4 is _________.

    MathematicsGrade-7
    STEP BY STEP SOLUTION
    Product of 0.3 × 0.4 = ?
    0.3 space cross times space 0.4 space
C o n v e r t i n g space d e c i m a l s space i n t o space f r a c t i o n s
3 over 10 space cross times space fraction numerator 4 over denominator 10 space end fraction equals space 12 over 100
N o w space c o n v e r t i n g space f r a c t i o n space i n t o space d e c i m a l space
12 over 100 equals space 0.12
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    The product of -0.2 × negative 5 over 6 is __________.

    STEP BY STEP SOLUTION
    negative 0.2 space cross times space minus 5 over 6
C o n v e r t i n g space d e c i m a l space i n t o space f r a c t i o n
equals space minus fraction numerator 2 over denominator 10 space end fraction cross times space minus 5 over 6
equals space 10 over 60
equals space 1 over 6

    The product of -0.2 × negative 5 over 6 is __________.

    MathematicsGrade-7
    STEP BY STEP SOLUTION
    negative 0.2 space cross times space minus 5 over 6
C o n v e r t i n g space d e c i m a l space i n t o space f r a c t i o n
equals space minus fraction numerator 2 over denominator 10 space end fraction cross times space minus 5 over 6
equals space 10 over 60
equals space 1 over 6
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    Mathematics

    The product of negative 1 over 12 space cross times space minus 1 half is __________.

    STEP BY STEP SOLUTION
    negative 1 over 12 space cross times space minus 1 half space equals space 1 over 24

    The product of negative 1 over 12 space cross times space minus 1 half is __________.

    MathematicsGrade-7
    STEP BY STEP SOLUTION
    negative 1 over 12 space cross times space minus 1 half space equals space 1 over 24
    parallel

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