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Mathematics 23 Online
OpenStudy (anonymous):

Help Please! Urgent!!!

OpenStudy (anonymous):

OpenStudy (anonymous):

I thinks its C.

TheSmartOne (thesmartone):

What is \(\Large\sqrt{63}=?\)

OpenStudy (anonymous):

7.93

TheSmartOne (thesmartone):

Hint: \(\sf\Large \sqrt{64}=8\)

OpenStudy (anonymous):

8x10?

TheSmartOne (thesmartone):

Exactly! :)

OpenStudy (anonymous):

80?

TheSmartOne (thesmartone):

80 is correct :) Even if you did 10 x 7.93 you would get a number close to 80

OpenStudy (anonymous):

Can u help with some more?

OpenStudy (anonymous):

TheSmartOne (thesmartone):

Hint: \(\sf \pi = 3.14\) What can we round 3.14 to? So that way we can estimate the answer :)

OpenStudy (anonymous):

3

OpenStudy (anonymous):

Its B!!

TheSmartOne (thesmartone):

Yes it is. :P

TheSmartOne (thesmartone):

Because 3.14 x 42 would get you that (:

OpenStudy (anonymous):

D?

OpenStudy (anonymous):

D?

TheSmartOne (thesmartone):

Correct :)

OpenStudy (anonymous):

A?

OpenStudy (anonymous):

@TheSmartOne

TheSmartOne (thesmartone):

Correct :)

OpenStudy (anonymous):

Thanks!

TheSmartOne (thesmartone):

No problem!

OpenStudy (anonymous):

1 more?

TheSmartOne (thesmartone):

Sure :)

OpenStudy (anonymous):

TheSmartOne (thesmartone):

Remember x% = x/100

OpenStudy (anonymous):

d?

TheSmartOne (thesmartone):

x% =\(\sf\Large \frac{x}{100}\) Hint: Replace x with 139

OpenStudy (anonymous):

A?

TheSmartOne (thesmartone):

Look at the denominator of A...

OpenStudy (anonymous):

not a or d?

TheSmartOne (thesmartone):

I do not know, you tell me. Replace x with 139 and simplify it.

OpenStudy (anonymous):

Ohh, B?

TheSmartOne (thesmartone):

Correct :)

OpenStudy (anonymous):

is this correct?

TheSmartOne (thesmartone):

Correct :)

OpenStudy (anonymous):

thx, what about this 1?

OpenStudy (anonymous):

@TheSmartOne

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