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Kitty [74]
3 years ago
7

NEED HELP ANSWER ASAP PLZ 1.the diameter of a sphere is 10.8 . calculate the spheres volume. use 3.14 for pie and round your ans

wer to the nearest tenth.
2.a manufacturer makes decorative Globes out of silver in the shape of a sphere. suppose each sphere has a radius of 1.5 cm. if silver is 8$ per cm^3 how much will it cost to make one solid sphere?.3.14 as pie and do not round answer​
Mathematics
1 answer:
Papessa [141]3 years ago
4 0

Answer:

1. 659.25

Step-by-step explanation:

1. V = \frac{4r^{3} }{3}*pi

   radius = diameter * 0.5 = 10.8 * 0.5 = 5.4

   (4*5.4*5.4*5.4*3.14)/3 = 659.25

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What is the value of the expression
Y_Kistochka [10]

Answer:

0.8

Step-by-step explanation:

We begin with the expression: 0.5+(-\frac{3}{4} )+0.25-(-\frac{4}{5} )

First, we need to convert the fractions into decimals to make this easier.

-\frac{3}{4}=-0.75 and -\frac{4}{5} =-0.8

Once we have this, we can simplify it

0.5-0.75+0.25-(-0.8)\\\\0.5-0.75+0.25+0.8\\\\0.75-0.75+0.8\\\\0.8

4 0
3 years ago
Steel is formed by combining masses of carbon and iron in the ratio 1:49. How many pounds of iron would it take to create 10 pou
Sergeu [11.5K]

Answer:

9.8

Step-by-step explanation:

1:49= ratio of carbon to to iron

1+49= steel

50=10pounds

49=?pounds

49 * 10/50

=49/5

=9.8pounds

4 0
3 years ago
Please help me on this one
Annette [7]
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3 0
3 years ago
Read 2 more answers
What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2
deff fn [24]

Answer: The only force on it is its weight, w=9800N

Step-by-step explanation:

7 0
3 years ago
Factor the GCF: 9x4y − 6x3y2 + 3x2y3.
Ganezh [65]
For this case we have the following expression:
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 For this case what you should do is observe the terms that are repeated in the given expression.
 We have then:
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 It is the term that is present in the whole expression.
 Therefore, by doing common factor we have:
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 Answer:
 
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 option A: a 3 is missing at the beginning of the option.
7 0
2 years ago
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