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Anvisha [2.4K]
2 years ago
14

A circular puzzle is 20 inches in diameter. All of the pieces are about the same size. Find the circumference.

Mathematics
2 answers:
pochemuha2 years ago
8 0
The answers on the top or somebody already answered it thanks for the points have a really really good day
Norma-Jean [14]2 years ago
5 0

analyze problem

perfect circle with diameter of 20

so, radius is 10

circle circumference=10*pi*r

31.4*2

62.8

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Given matrices A and B shown below, find (3)A+(8)B.
Tasya [4]

Answer:

\left[\begin{array}{ccc}32&-55\\3&39\end{array}\right]

Step-by-step explanation:

\left[\begin{array}{ccc}0&-15\\3&15\end{array}\right] +\left[\begin{array}{ccc}32&-40\\0&24\end{array}\right] =\left[\begin{array}{ccc}0+32&-15+(-40)\\3+0&15+24\end{array}\right] = \left[\begin{array}{ccc}32&-55\\3&39\end{array}\right]

5 0
2 years ago
Which of the following are the subset of ,B={1,2,3,4,5,6,7,8,9,10}.
Verdich [7]

Answer:

A, C, T

Step-by-step explanation:

A subset simply means a set of which all of its elements are contained in a larger set :

To obtain the subsets of B={1,2,3,4,5,6,7,8,9,10}.

We observe the smaller sets whose entire elements can be found in B

D={0,2,4,6,8,10,12} = not a subset of B ; B does not contain 0

A={5,6,7} = subset of B, all elements Cann be found in B

C={2} = subsets of B, 2 can be found in B

T={1,2,3,4,5,...,8}​ = subset of B; all elements can be found in B

4 0
2 years ago
Examine the graph of the logarithmic function f(x).
Eduardwww [97]

Answer:

The function f(x) has a vertical asymptote at x = 3

Step-by-step explanation:

We can define an asymptote as an infinite aproximation to given value, such that the value is never actually reached.

For example, in the case of the natural logarithm, it is not defined for x = 0.

Then Ln(x) has an asymptote at x = 0 that tends to negative infinity, (but never reaches it, as again, Ln(x) is not defined for x = 0)

So a vertical asymptote will be a vertical tendency at a given x-value.

In the graph is quite easy to see it, it occurs at x = 3 (the graph goes down infinitely, never actually reaching the value x = 3)

Then:

The function f(x) has a vertical asymptote at x = 3

6 0
3 years ago
To<br> 83°<br> 89°<br> 119°<br> What is the value of x?
Kruka [31]

Answer: 145.5

Step-by-step explanation:

8 0
3 years ago
A vehicle is traveling 540 meters in 6 seconds.How far can it travel in 4 seconds
agasfer [191]
6 seconds = 540 m

-----------------------------
Find 1 second: 
-----------------------------
6 sec = 540 m
1 sec = 540 ÷ 6
1 sec = 90m

-----------------------------
Find 4 seconds:
-----------------------------
1 sec = 90m
4 sec = 90 x 4
4 sec = 360 m

----------------------------------------------------------
Answer: It can travel 360m in 4 seconds.
----------------------------------------------------------
7 0
3 years ago
Read 2 more answers
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