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inna [77]
3 years ago
12

If d=9cm, find the circumference

Mathematics
2 answers:
Tatiana [17]3 years ago
8 0

Answer:

Step-by-step explanation:

d = 9cm

Circumference = πd  

                         = 3.14*9 = 28.26 cm

sergij07 [2.7K]3 years ago
4 0

The circumference is the diameter times PI

The exact circumference would be 9PI cm

The approximate circumference would be 9 x 3.14 = 28.26 cm

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It was estimated that because of people switching to Metro trains about 33000 of CNG 3300 tons of diesel and 21000 tons of petro
Simora [160]

The question is incomplete. Here is the complete question

It was estimated that because of people switching to Metro trains about 33000 of CNG 3300 tons of diesel and 21000 tons of petrol was saved by the end of year 2007 (I) find a fraction of the quantity of diesel saved to the quantity of petrol saved (ii) find the quantity of cng to the quantity of diesel saved

Answer:

(I) 11/70

(II) 1/10

Step-by-step explanation:

Metro trains contain 330,000 tons of CNG

3300 tons of diesel was saved

21000 tons of petrol was saved at the end of 2007

(I) The fraction of the quantity of diesel saved to the quantity of petrol saved can be calculated as follows

= 3300/21000

= 11/70

(II) The fraction of the quantity of CNG saved to the quantity of diesel can be calculated as follows

= 3300/33000

= 1/10

5 0
3 years ago
what is the distance between the line going through points (1, -5/4) and (1/3, -3/4) and the point (2, -3)?
Mamont248 [21]

Answer:

1.60078105936

Step-by-step explanation:

6 0
3 years ago
If h(x) = x – 7 and g(x) = x2, which expression is equivalent (g o h)(5)
Zanzabum
(goh)(x) = (g(x))(h(x)) = (x^2)(x-7) = x^3 -7x^2
then (goh)(5) = (5^3)-7(5)^2 = 124-7(25) = 124-175 = -51
8 0
3 years ago
Evaluate the expression when m=3 and n=44.<br><br> 1. n-6m
seraphim [82]

Answer: 35

Step-by-step explanation: PEMDAS n-6(3)

44-9

8 0
2 years ago
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Svetradugi [14.3K]

Answer:

i think 2-3 min.

Step-by-step explanation: i wish it's help u

5 0
2 years ago
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