3 years ago

Lol I need the answer please

Mathematics

1 answer:

liberstina [14]3 years ago

4 0

Answer: The last one

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NEED ANSWERED ASAP!

antoniya [11.8K]

The difference between masses of both cones is: 838 grams

Step-by-step explanation:

As both cones have same height and radius. Both will have same volume

Here

r=4 cm

h= 10 cm

The volume is given by:

$V=\frac{1}{3}\pi r^2h$

Putting values

$V=\frac{1}{3}*\frac{22}{7}*(4)^2*10\\V=\frac{22}{21}*16*10\\V=167.62\ cm^3$

Mass of Steel Cone:

$M_s=Density\ of\ steel*Volume\\=7.75*167.62\\=1299.055\ grams$

Mass of Granite Cone:

$M_g=Density\ of\ granite*Volume\\=2.75*167.62\\=460.955\ grams$

Difference between masses of both cones

$D = M_s-M_g\\=1299.055-460.955\\=838.1\ grams$

Rounding off to nearest gram: 838 grams

The difference between masses of both cones is: 838 grams

Keywords: Volume, Mass

Learn more about volume at:

#LearnwithBrainly

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3 years ago

To the nearest cubic inch, what is the volume of the small milk carton below?

otez555 [7]

Answer:

Step-by-step explanation:

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3 years ago

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In rectangle KLMN, KM = 10x+24 and KN = 64 find x

pishuonlain [190]

Hi there, I don't know if I am right but I will try to solve this, 10x+24=64, subtract 24 from both sides, 10x+24-24=64-24=10x=40, divide both sides by 10, 10x/10=40/10, x=4

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3 years ago

Graph the function <br>y=3/2x+1

Fiesta28 [93]

This is the graph for the function

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3 years ago

Nine times the difference of a number and 4 is the same as the product of 2 and the same

nevsk [136]

Answer:

x = 8

Step-by-step explanation:

9(x - 4) = 2(x + 10)

9x - 36 = 2x + 20

7x = 56

x = 8

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6 0

3 years ago