3 years ago

(6+3)÷(4-5)Evaluate the following numerical expressions.

Mathematics

1 answer:

AlexFokin [52]3 years ago

7 0

Answer: -9

Step-by-step explanation:

(6+3)÷(4-5)

Since 6+3 is 9 and 4-5 = -1

You do 9 divided by -1. It equals -9.

It is -9 since a positive divided by a negative number.

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Step-by-step explanation:

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3 years ago

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Crazy boy [7]

Answer:

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Step-by-step explanation:

this one is mainly elimination. 3.8 and 4.9 cant be because they're too close to the mean. and 7.1 is too far. you can also use z-score. the z score of .975 is 1.96 we can plug that into out formula so

1.96=(x-3.8)/1.1

multiply both sides by 1.1 and then add 3.8

you can also use scientific calculator.

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