Unofficialllyy
  • Unofficialllyy
can someone please help?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Unofficialllyy
  • Unofficialllyy
A company that manufactures storage bins for grains made a drawing of a silo. The silo has a conical base, as shown below: Which of the following could be used to calculate the total volume of grains that can be stored in the silo?
DanJS
  • DanJS
If i am picturing the thing right, it is the vvolume of a cylinder plus the volume of the cone
DanJS
  • DanJS
|dw:1437755024017:dw|

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Unofficialllyy
  • Unofficialllyy
1 Attachment
DanJS
  • DanJS
Yes Total Volume = Volume Cylinder + Volume Cone
DanJS
  • DanJS
Cylinder - height = 8 ft , radius = 2 ft Cone - height = 1.5 ft, radius = 2 ft
Unofficialllyy
  • Unofficialllyy
I got \[\pi(2ft)^2(8ft)+\frac{ 1 }{ 3 } \pi(2ft)^2(9.5ft-8ft)\]
DanJS
  • DanJS
\[Volume = [\pi*r^2*h _{cyl}] + [\frac{ 1 }{ 3 }\pi*r^2*h _{cone}]\]
DanJS
  • DanJS
yep, looks good
Unofficialllyy
  • Unofficialllyy
Could you help me with some more?
DanJS
  • DanJS
sure
Unofficialllyy
  • Unofficialllyy
What is the weight (in grams) of a liquid that exactly fills a 202.0 milliliter container if the density of the liquid is 0.685grams over milliliter? Round to the nearest hundredth when necessary and only enter numerical values, which can include a decimal point.
DanJS
  • DanJS
weight = newtons, mass= grams.
DanJS
  • DanJS
nvm
DanJS
  • DanJS
Given: Volume = 202.0 mL Density = 0.685 g / mL Find: mass [g]
DanJS
  • DanJS
Density = mass / volume so mass = density * volume
Unofficialllyy
  • Unofficialllyy
I'm really confused lol
DanJS
  • DanJS
Just remember, the density is a mass per unit of volume Density = mass / volume
DanJS
  • DanJS
multiplying both sides by volume mass = volume x density
Unofficialllyy
  • Unofficialllyy
I got 138.37
DanJS
  • DanJS
|dw:1437755681677:dw|
DanJS
  • DanJS
right
Unofficialllyy
  • Unofficialllyy
I have one more that I need help with.
DanJS
  • DanJS
sure
Unofficialllyy
  • Unofficialllyy
A cone has a diameter of 8 centimeters and a height that is 4 times the diameter. Using 3.14 for pi, which of the following can be used to calculate the volume of the cone?
anonymous
  • anonymous
i agree with you because you work really explains well
DanJS
  • DanJS
v = (1/3) * pi * r^2 * h
DanJS
  • DanJS
diameter = 8, so radius = 4 height = 4*diameter = 4*8 = 32
Unofficialllyy
  • Unofficialllyy
My answer is: \[\frac{ 1 }{ 3 }(3.14)(8cm)^2(32cm)\]
DanJS
  • DanJS
yep, and as a check, your units come out to cm^3 which is correct for a Volume
anonymous
  • anonymous
yep
Unofficialllyy
  • Unofficialllyy
thank you so much!
DanJS
  • DanJS
no prob , anytime

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