Brainliest + points!

explain

what is the frequency of the musical note middle c if its period is 0.0038?

a.
224.42 hertz

b.
263.16 hertz

c.
281.74 hertz

d.
302.49 hertz

B.  263.16 hertz

Step-by-step explanation:

We are given the time period of a musical note T= 0.0038 seconds.

Since ,we know that the frequency is given by the reciprocal value of the time period.

Therefore, the frequency of the musical note middle  is given by :-

Hence, the  frequency of the musical note middle C = 263.16 Hertz

answer:

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

explanation:

service only with 20% tip  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

in the opening of the question the word 'service' is associated only with the pretax value.

the closing part of the question asks: how much did she pay for the  

service

−−−−−−  

so technically the answer is  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

however, the intention of the question provider may have been that your answer is to be  

$

87.12

(

1

+

8

100

)

=

$

94.09

to 2 decimal places.

'

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

tony b

mar 21, 2017

answer:

trying to explain it another way

explanation:

service charge  

.

→

$

72.60

20% tip  

20

100

×

$

72.60

=

$

14.52

−−−−−−  

←

add

$

87.12

tax  

8

100

×

$

87.12

=

$

6.97

−−−−−  

←

add

$

94.09

related questions