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Airida [17]
2 years ago
11

She paid 17.68 per plate and their are 8 plates. how much money did she spend

Mathematics
1 answer:
STALIN [3.7K]2 years ago
5 0

Answer:

$141.44

Step-by-step explanation:

- $17.68 each plate

- There are 8 plates

17.68 times 8 = $141.44

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Step-by-step explanation:

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3 years ago
Use the disk method or the shell method to find the volumes of the solids generated by revolving the region bounded by the graph
diamong [38]

Answer:

a) 8π

b) 8/3 π

c) 32/5 π

d) 176/15 π

Step-by-step explanation:

Given lines :  y = √x, y = 2, x = 0.

<u>a) The x-axis </u>

using the shell method

y = √x = , x = y^2

h = y^2 , p = y

vol = ( 2π ) \int\limits^2_0 {ph} \, dy

     = ( 2\pi ) \int\limits^2_0 {y.y^2} \, dy  

∴ Vol = 8π

<u>b) The line y = 2  ( using the shell method )</u>

p = 2 - y

h = y^2

vol = ( 2π ) \int\limits^2_0 {ph} \, dy

     = ( 2\pi ) \int\limits^2_0 {(2-y).y^2} \, dy

     = ( 2π ) * [ 2/3 * y^3  - y^4 / 4 ] ²₀

∴ Vol  = 8/3 π

<u>c) The y-axis  ( using shell method )</u>

h = 2-y  = h = 2 - √x

p = x

vol = (2\pi ) \int\limits^4_0 {ph} \, dx

     = (2\pi ) \int\limits^4_0 {x(2-\sqrt{x}  ) } \, dx

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vol = ( 2π ) ( 16/5 ) = 32/5 π

<u>d) The line x = -1    (using shell method )</u>

p = 1 + x

h = 2√x

vol = (2\pi ) \int\limits^4_0 {ph} \, dx

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attached below is the graphical representation of P and h

3 0
3 years ago
Solve the equation or formula for the indicated variable.
alex41 [277]
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next, divide both sides by t, (R-3)/t=s²

finally, take the square root of both sides

√(R-3)/t = s. 2nd choice.
3 0
3 years ago
Read 2 more answers
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shutvik [7]

\qquad \qquad\huge \underline{\boxed{\sf Answer}}

The false (wrong) equation among them is : A

\qquad \sf  \dashrightarrow \:  | - 93|  =  - 93

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4 0
2 years ago
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asambeis [7]

Answer:

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4 0
2 years ago
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