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AleksAgata [21]
3 years ago
12

Is pi a irrational number or a rational number?

Mathematics
2 answers:
Tanya [424]3 years ago
6 0
Is an irrational number because rational numbers are able to be expressed as a quotient of two integers. 22/7 s not an accurate but an approximate expression of pi so it doesn't work. Also, pi is a decimal that goes on without end but doesn't repeat so it is irrational.
larisa [96]3 years ago
6 0
It is a irrational. Examples; 22/7= 3,1 ... ∞ <-- pi number and irrational. Good Luck! =)
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Write two equivalent expressions to represent the area of this rectangle.
KengaRu [80]

Answer:

The two expression to represent area  is (5 x  - 10)  sq. units   or  5( x- 2) sq. units

Step-by-step explanation:

Here, the length of the rectangle  = (x-2) units

The width of the rectangle  = 5 units

Now, AREA OF A RECTANGLE  = LENGTH x WIDTH

So, here AREA  =  5 ( x- 2)

                          =  (5 x  - 10)  sq. units  

( as by Distributive property: A (B-C) = AB - AC)

Hence, the two expression to represent area  is (5 x  - 10)  sq. units   or  5( x- 2) sq. units

6 0
3 years ago
1. If the ratio of the ages of Kissi and Esinam is 3:5 and that of Esinam and Lariba is 3:5 and
zloy xaker [14]

Answer:

1) 48 years.

2) Question incorrect.

11 isn't a factor of 64, and 368 isn't a multiple of 64. 11 also isn't a factor of 368, hence, it would be impossible to find the unknown second number with all of these false information in the question.

Step-by-step explanation:

Let the ages of Kissi, Esinam and Lariba be x, y and z respectively.

Ratio of the ages of Kissi and Esinam is 3:5

x:y = 3:5

(x/y) = (3/5)

5x = 3y

x = (3y/5) (eqn 1)

Ratio of the ages of Esinam and Lariba is 3:5

y:z = 3:5

(y/z) = (3/5)

5y = 3z

z = (5y/3) (eqn 2)

The sum of their 3 ages is 147

x + y + z = 147 (eqn 3)

Substituting the values of x and z from eqn 1 and 2 into eqn 3, we have

(3y/5) + y + (5y/3) = 147

(49y/15) = 147

y = (147×15/49) = 45.

x = (3y/5) = (3×45/5) = 27

z = (5y/3) = (5×45/3) = 75

The ages of Kissi, Esinam and Lariba are then 27, 45 and 75 respectively.

The difference in the ages of the oldest amf the youngest is thus, 75 - 27 = 48 years.

2) This question seems to be faulty and incorrect as 11 isn't a factor of 64, and 368 isn't a multiple of 64. 11 also isn't a factor of 368, hence, it would be impossible to find the unknown second number with all of these false information in the question.

Hope this Helps!!!

4 0
3 years ago
The depth of the Challenge Deep is 36,198 feet. How deep is it in fathoms and leagues (marines) (Round to the nearest hundredth.
lbvjy [14]

6 feet = 1 fathom, so 36,198 ft = 6,033 fathoms

A league has a variety of definitions. Variation is not only country-to-country, but also by land and sea, and by use in fiction (20,000 Leagues Under the Sea) and non-fiction. At sea, it is generally taken to be 3 nautical miles, which is now defined in SI units as 5556 meters, or 18,228.34645669... feet.

Using Google as the unit converter to leagues, the depth is about ...

... 1.99 leagues.

6 0
3 years ago
What is the area of the following parallelogram in square centimeters?
asambeis [7]

Answer: For the firstone i think it is A but idk for the second one.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus
xenn [34]
Sarah because if you add up the one time registration fee and the amount per month for one month it would be less than Joe's
8 0
3 years ago
Read 2 more answers
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