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just olya [345]
3 years ago
15

Who know these questions answers is

Mathematics
2 answers:
Yanka [14]3 years ago
8 0

Answer:

4) The square root of 25 is rational

5) pi is irrational

Step-by-step explanation:

To know if the answer is rational or irrational, check to see if they can be turned into a fraction.

AnnZ [28]3 years ago
3 0

Answer:

4) \sqrt{25}

5) \pi

Step-by-step explanation:

4) \pi is irrational.

\sqrt{2} and \sqrt{3} are also irrational.

\sqrt{25} = 5. 5 is a whole number and thus is rational.

5) 16.5% = \frac{16.5}{100}

0.0675 is a terminating decimal so it is rational.

8\frac{3}{4} = 8.75 is also a terminating decimal so it is rational.

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Aliun [14]

Answer:

Consider a circle centered at C(-2,-4). If the point P(1,-1) lies on the circle, then which of the following points also lies on the circle?

<h3>A. (-2, -√18)</h3>

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C. (√18, -4)

D. (-2, 4+√18)

Step-by-step explanation:

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hope it's help you

7 0
3 years ago
There are 25 towns in a certain country, and every pair of them is connected by a train route. How many train routes are there?
7nadin3 [17]

Answer:

13

Step-by-step explanation:

a pair=2

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25/2=12+1=13

5 0
3 years ago
Find sin D sin E cos D and cos E
Andrew [12]

9514 1404 393

Answer:

  sin(D) = cos(E) = (√3)/2

  cos(D) = sin(E) = 1/2

Step-by-step explanation:

The mnemonic SOH CAH TOA is intended to remind you of the relationships between trig functions and right triangle sides.

  Sin = Opposite/Hypotenuse

  Cos = Adjacent/Hypotenuse

For this diagram, this means ...

  sin(D) = cos(E) = (13√3)/26 = (√3)/2

  cos(D) = sin(E) = 13/26 = 1/2

5 0
3 years ago
A group of farmers planted 62 fields of vegetables. of the fields they planted, 4/5 were planted with cabbage. how many fields o
chubhunter [2.5K]
Total number of fields of vegetables = 62

Thus,

The amount of fields that is cabbage = \frac{4}{5} * 62 =  \frac{248 }{5} = 49.8


4 0
3 years ago
Find an equation for the line below
spayn [35]
The equation of the line is: y=2/-5x + 3 3/5

7 0
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