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3 years ago

A cylinder have a radius of 10 and a height of 8 what is the exact volume of the cylinder

Mathematics

2 answers:

marta [7]3 years ago

4 0

V= 3,14 x 10^2 x h
3,14 x 10^2 x8
Answer = 800pi m^3

rewona [7]3 years ago

3 0

800 $\pi 
$ m $x^{3}$ . the formula is V= $\pi$ $r^{2}$ h

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Sandra has 18 yards of fabric. how many 4-inch Pisces can she cut from her original piece

Korvikt [17]

She can cut up the 18 yards into 162 Pisces of 4 inches each. From those, if she works carefully, she can make 81 pairs of little Bootes.

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3 years ago

A set W of strings of symbols is defined recursively by 1. a, b, and c belong to W. 2. If x belongs to W, so does a(x)c. Which o

Vadim26 [7]

Answer:

a. a(b)c

b. a(a(b)c)c

d. a(a(a(a)c)c)c

Step-by-step explanation:

We are given the following in the question:

$a,b,c \in W\\\text{If } x \in W \Rightarrow a(x)c \in W$

a. a(b)c

It is given b belongs to W.

$b \in W\\\Rightarrow a(b)c \in W$

b. a(a(b)c)c

$a(b)c \in W\\\Rightarrow a(a(b)c)c \in W$

c. a(abc)c

a(abc)c does not belong to W because we cannot find x in W such that a(abc)c belongs to W.

d. a(a(a(a)c)c)c

$a \in W\\\Rightarrow a(a)c \in W\\\Rightarrow a(a(a)c)c \in W\\\Rightarrow a(a(a(a)c)c)c$

e. a(aacc)c

a(aacc)c does not belong to W because we cannot find x in W such that a(aacc)c belongs to W.

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2 years ago

Please help with Math questions!

m_a_m_a [10]

1) 4, because 4/5 is closer to 4 than it is 3 1/2.

2) 100

3) 5

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2 years ago

Please help first answer will be marked brainiest

Tresset [83]

Answer:

Step-by-step explanation:

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2 years ago

Find the first term of the following geometric sequence ----,42,126,378,1,134

sergey [27]

Since it is a geometric sequence each term will be a specific multiple of the term preceding it, called the common ratio...

126/42=378/126=1134/378=3

The sequence is a(n)=a(3)^(n-1) and we know the second term is 42 so:

42=a(3)^(2-1)

42=3a

a=14

So the first term is 14.

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3 years ago