![saintsfan2004](/avatars/34812.jpg)
saintsfan2004
20.12.2019 •
Mathematics
An hourglass, composed of two identical cones, is 12 cm tall. the radius of each cone is 3 cm. if you want to fill the bottom half of the hourglass full of salt, how much salt will you need? explain the method you would use to find the amount of salt.
Solved
Show answers
More tips
- S Style and Beauty Tricks and Tips: How to Get Rid of Freckles...
- H Health and Medicine What is Autism? Understanding the Basics of This Neurodevelopmental Disorder...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- S Society and Politics 10 Tips for Boosting Your Self-Esteem...
- F Food and Cooking Which Calamari Salad is the Most Delicious?...
- H Health and Medicine Mercury Thermometer Danger: What to do when a thermometer breaks?...
- S Style and Beauty How to braid friendship bracelets?...
- F Food and Cooking Delight for Gourmets: How to Prepare Liver Pate...
- C Computers and Internet How to Learn to Type Fast?...
- H Health and Medicine Angina: Causes, Symptoms, and Treatment...
Answers on questions: Mathematics
- M Mathematics Solve: 9^(2x + 1) = 9^(3x – 2)...
- M Mathematics Simplifying algebraic expression -8w-b/9 use b=36 & w=2 The b/9 is b over 9...
- H History 1. According to the document above, what are millets?...
- E English In The Road to Wigan Pier, how does Orwell use imagery and sensory details to support his main idea?...
- H History “river of sorrows floods again” “thousands missing after huang he overflows” “over 10 million reported homeless after 1931 flooding” these newspaper headlines describe...
Ответ:
it was given
h=12cm
radius=3cm
the volume of the first cone is V1= 1/3)pi r²h1
where h1= h/2=6cm
so its volume is V1=1/3)xpix3²x6=56.52cm^3
and since the two cones are identical so V1=V2=56.52cm^3,
we need 56.52cm^3 or salt
Ответ:
Step-by-step explanation:
The answer before was correct except for the final answer they must have had a typo because the area would actually be 7/2, or 3.5