3 years ago

Explain why the rules called the algebraic order of operations are necessary for computation

1 answer:

5 0

The rules are necessary, so that there is agreement as to how to evaluate an expression. By having rules, and having everyone follow the rules, an expression can have only one single correct value. If there are no rules, then different people will interpret the expression differently, and will get different values for its evaluation.

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The product of two factors is x2+ 6x + 8. If one of the factors is (x + 4), what is the other factor?

ch4aika [34]

(x + 4) (x + 2)
=x^2 +2x + 4x + 8
=x^2 + 6x + 8
the other factor is (x + 2)

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3 years ago

Five dogs were running in a race. Bandit completed the race 10 seconds after Sergeant and 30 seconds before Sally. Smokey comple

ipn [44]

Answer:

The Answer is D

Step-by-step explanation:

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3 years ago

Of the 800 participants in a marathon 220 are running to raise money for a cause. How many participants out of 100 are running f

nadezda [96]

Answer:

27.5 /100 are running for a cause

Step-by-step explanation:

We know that 220/800 are running for a cause

Divide the top and bottom by 8 to get the fraction out of 100

220 /8 =27.5

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2 years ago

Show that x = -2 is a solution of 3x² + 13x + 14 = 0

Oliga [24]

Answer:

x= -2 is correct answer

Step-by-step explanation:

3(-2×-2)+13(-2)+14=0

3(4)+13(-2)+14=0

12+(-26)+14=0

12-26+14=0

12+14-26=0

26-26=0

0=0

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3 years ago

Which of the following regular polygons circumscribed about a circle provides the best estimate for the area of that circle?

ki77a [65]

Hi i need more informacion :)01927. i tgink is octagon

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3 years ago