−1⋅[(3−4⋅7)÷5]−2⋅24÷6

  -3

Step-by-step explanation:

A calculator is useful for this.

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Inside parentheses, we evaluate the multiplication first.

  −1⋅[(3−4⋅7)÷5]−2⋅24÷6

  = −1⋅[(3−28)÷5]−2⋅24÷6

Then the addition inside parentheses.

  = −1⋅[−25÷5]−2⋅24÷6

Now, we do the division inside parentheses.

  = −1⋅[−5]−2⋅24÷6

Then we do the multiplication and division left to right.

 = 5−48÷6

  = 5−8

Finally, we do the sum.

  = -3

the answer is: the length is 5/6 yards.

give me a or a 5 star rating if this is correct!

step-by-step explanation:

answer: no, but if it does it's a obvious pattern.

step-by-step explanation: