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ololo11 [35]
3 years ago
7

Is 7/11 a irrational number

Mathematics
2 answers:
dedylja [7]3 years ago
6 0
Yes it is a rational number. 7/11 meet the requirements of a rational number, it can be replaced by the terms “a” and “b”
frozen [14]3 years ago
5 0

Answer: No, it’s rational number

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Write 5.641 in word form
WINSTONCH [101]

Answer:

Five and Six hundred Forty one thousandths

Step-by-step explanation:

5.641 in words can be written as

the first number is considered same, decimal is considered as and and digits after decimal are considered as regular number.

So, 5.641 in word form is:

Five and Six hundred Forty one thousandths

5 0
3 years ago
Read 2 more answers
A geometric progression has a third term of 20 and a sum of infinity which is 3 times the first term. Find the first term ​
Anna007 [38]

Answer: the first term is 45

Step-by-step explanation:

Step 1: The formular for the nth term is ar^n-1 and since we're solving for the third term ar^3-1 = ar² which is equal to 20

So ar²= 20 and we make this equation i

Step 2: the formular for the sum of infinity is Sn = a/(1-r) and according the question the sum of infinity is equals to 3 *A ( A means the first term)

Further simplification gives us

3a= a/(1-r)

We simplify Futher by multiplying both sides by (1-r)

3a.(1-r) = a/(1-r).(1-r)

3a(1-r)=a

= 3a-3ar=a

Make 3ar the subject of the formula

3ar= 2a and lets make this equation (ii)

Step 3: From the first equation since ar²=20, let's make a the subject of the formula by dividing both sides by r²

Ar²/r² = 20/r²

A=20/r²lets make this equation (iii)

Step 4: subtitle a as 20/r² into equation (ii)

Since 3ar=2a

Then 3.(20/r²).r = 2. 20/r²

= (60/r²) .r = 40/r²

60/r = 40/r2

Multiplying both sides by r² gives us

60r = 40

Divide both sides by 20 gives us

= 3r= 2

Divide both sides by 3 gives us

= r = 2/3

Step 5: substitute r for 2/3 in equation i

ar²= 20

a. (2/3)2 = 20

= a.4/9 = 20

= 4a = 180

= a = 180/4

a = 45

5 0
3 years ago
In the population of a particular country, the male-to-female ratio is 46 to 54. Write this ratio as a fraction in simplest form
Helen [10]
23/27 because 46/54 diveded by 2 equals 23/27 which can not be simplified any further
5 0
3 years ago
The coordinates of point P on a coordinate grid are (−5, −6). Point P is reflected across the y-axis to obtain point Q and acros
Llana [10]
Hey friend!
Let's figure this out!

P(−5, −6)
reflect about y axis
Q(5, -6)
reflect about x axis
R(5,6)


So that gives you the answer!
3. Q(−5, 6) and R(5, −6)



Hope this helped!
4 0
3 years ago
Read 2 more answers
A mail-order supplier of small electrical parts charges a shipping fee of $8, plus $5 for each pushbutton light switch ordered.
azamat
$38 in total including shipping fee
7 0
3 years ago
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