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3 years ago

What is the value of the expression? 32+[4×(15÷3)]−5

Mathematics

1 answer:

Dima020 [189]3 years ago

3 0

Answer:

Step-by-step explanation:

32+[4×(15÷3)]−5

At first we have to apply "BODMAS" rule. According to the rule, we will work 1st bracket.

Hence,

32+[4×5]−5

Then, we will take 3rd bracket into consideration,

32+20−5

Then, we will use addition from the BODMAS rule-

52 - 5

Finally, subtracting 5 from 52, we can get

= 47

The value of the expression is 47.

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3 years ago

Read 2 more answers

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lubasha [3.4K]

Answer:

13, 13√3, 26

Step-by-step explanation:

30 60 90 right triangle

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3 years ago

Guesstimate how much total time do Americans spend driving in one year? Express the answer in hours, years and lifetimes.

Drupady [299]

Answer:

1,460 hours per year.

113,880 hours in a lifetime.

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Let's assume that on an average day Americans drive 4 hours a day. This includes going and coming from work as well as any groceries they might need to do. Since there are 365 days in a year we can multiply this by the hours a day driven.

$365*4 = 1,460$

We can "guesstimate" that on average an American drives 1,460 hours per year.

Based on my research the average lifetime of an American is 78 years old. We can now multiply this by the number of hours driven in a year to have an idea of the number of hours driven in a lifetime.

$1,460*78 = 113,880$

On average we "guesstimate" that an American drives 113,880 hours in a lifetime.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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3 years ago