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SIZIF [17.4K]
3 years ago
12

Round your answer to the nearest hundredth.

Mathematics
1 answer:
Umnica [9.8K]3 years ago
4 0

Answer:

5.52umit

sin65  =  \frac{ac}{ab}  =  \frac{5}{ab}  \\ ab =  \frac{5}{sin65}  = 5.52 \\ ab = 5.52umit

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In the measurement of 67.93 cm, which digit is estimated? click on the estimated digit
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When it comes to measurement, the most accurate estimate would be the whole number. A ruler has calibrated marks. It would be easy to locate 25. But when it is located between 25 to 26, you would have to estimate the decimal points. Generally, calibration marks are up to the tenths digit. For further digits, that would only an estimation. So, the estimated digit in this problem is 3 in the hundredths place.
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Find the number of five-digit numbers which are not divisible by 5?
storchak [24]

Answer:

72000

Step-by-step explanation:

First five digit number is 10000

And the last five digit number is 99999.

There are 99999-10000+1 five digits in all.

That simplifies to 89999+1=90000.

Any number whose units digit is 5 or 0 is divisble by 5.

10000 is the first five digit number that is divisble by 5.

10000+5k where k is a positive integer can be used to find any after.

The last five digit number divisible by 5 is 99995. What is k then?

10000+5k=99995

5k=89995

k=89995/5

k=17999

How many 5 digit numbers are divisble by 5?

So the first one happens at k=0 and the last one happens at k=17999.

How many numbers is that? 17999+1=18000.

So the number of 5 digit numbers that aren't divisble by 5 is 90000-18000=72000

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