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Andrei [34K]
2 years ago
11

Can we say ((-16)÷4) ÷ (-2) is the same as (-16)÷ (4÷(-2)?​

Mathematics
2 answers:
elena-14-01-66 [18.8K]2 years ago
7 0

\longrightarrow{\blue{[( - 16)\div 4) \div ( - 2)] \:is\:not\:equal\:to\:( - 16) \div [4 \div( - 2) ]   }} 

\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}

[( - 16 )\div 4) \div ( - 2)] = ( - 16) \div [4 \div( - 2) ]

Let us first solve for L. H. S.

= [( - 16 )\div 4) \div ( - 2)]

= [ (\frac{ - 16}{4}  )\div ( - 2)]

=  \frac{( - 4)}{( - 2)}

= 2

Now, R. H S.

( - 16) \div [4 \div ( - 2)]

=  \frac{ - 16}{ - 2}

= 8

\sf\purple{L. H. S.\: ≠ \:R. H. S. }

Hence, [( - 16) \div 4) \div( - 2)] ≠(-16)\div [4 \div( - 2) ]

\red{\large\qquad \qquad \underline{ \pmb{{ \mathbb{ \maltese \: \: Mystique35♛}}}}}

vlada-n [284]2 years ago
6 0

Answer:

no we can't

Step-by-step explanation:

(-4)÷(-2). (-16÷(-2)

2. 8

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The questions which involve calculating the angles and the sides of a triangle either require the sine rule or the cosine rule. In this question, the two sides that are given are adjacent to each other and the given angle is the included angle. This means that the angle is formed by the intersection of the two lines. Therefore, cosine rule will be used to calculate the length of the largest side of the triangle. The cosine rule is:

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