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Alecsey [184]
3 years ago
5

Consider the composite figure;

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

Answer:It is the sum of the shape’s volumes.

The volume in terms of pi is the exact volume.

Using the calculator to multiply by pi provides the approximate volume.

Step-by-step explanation:

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1)
vaieri [72.5K]

Answer:

see explanation

Step-by-step explanation:

Note the common difference d between consecutive terms of the sequence

8 - 6 = 10 - 8 = 2

This indicates that the sequence is arithmetic with n th term

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 6 and d = 2, thus

a_{n} = 6 + 2(n - 1) = 6 + 2n - 2 = 2n + 4 ← explicit formula

Hence

a_{130} = (2 × 130) + 4 = 260 + 4 = 264

8 0
3 years ago
Tax" is an added amount when finding the grand total of a bill. True or false
galben [10]

Answer:

Step-by-step explanation:

True

5 0
2 years ago
Read 2 more answers
If ABC and EDC are similar, what is the value<br> of x?<br> A
abruzzese [7]

Answer:

x = 15

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

BC/DC = EC/AC , substitute values

3x×5/32 - 5x-5/56 ( cross- multiply )

56(3x - 5) = 32(5x - 5) ← distribute and simplify both sides

168x - 280 = 160x - 160 ( subtract 160x from both sides )

8x - 280 = - 160 ( add 280 to both sides )

8x = 120 ( divide both sides by 8 )

x = 15

3 0
3 years ago
(b) Given that
Gnesinka [82]

Answer:n=-2 or n=4

Step-by-step explanation:

Q is not inversible if det(Q)=0

\left|\begin{array}{ccc}6&7&-1\\3&n&5\\9&11&n\end{array}\right| =0\\\\\\\\6(n^2-55)-3(7n+11)+9(35+n)=0\\\\n^2-2n-8=0\\\\\Delta=36=6^2\\\\n=\dfrac{2-6}{2} =-2\ or\  n=\dfrac{2+6}{2}=4\\

4 0
3 years ago
5. Skylar has pool toys shaped like a sphere
slega [8]

Answer:

128π or 402.12

Step-by-step explanation:

Vol of a sphere = 4/3πr³

Sub 2 into ^

Multiply by 12 to find vol of all 12 shapes

This is the volume of water needed

6 0
3 years ago
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