The surface areas of two similar figures are given. the volume of the larger figure is given. find the volume of the smaller figure. s. a. = 192 m s. a. = 1728 m² v = 4860 m3

The volume of smaller figure is 180 m³

Step-by-step explanation:

Consider the provided information.

The ratio of the surface areas is equal to the square of scale factor K.

let K₁ and K₂ is the scale factor

Thus

Substitute the respective values as shown.

It is given that the volume of larger figure is 4860 m³.

Let V₁ and V₂ is the volume of small and larger figure respectively.

The ratio of the volume is equal to the third power of scale factor K.

Thus

Substitute the respective values as shown.

Hence, the volume of smaller figure is 180 m³

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

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