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Doss [256]
3 years ago
6

5

Mathematics
1 answer:
Svetach [21]3 years ago
8 0

Answer:

\frac{13}{45} more

Step-by-step explanation:

We need to get both of them to a common denominator. The simplest way to do this is just multiply the denominators by each other. this comes out to 135. But what you do to the denominator, you have to do to the numerator. 5(15)/9(15). 4(9)/15(9)

The 5/9 comes out to be 75/135 and the 4/15 comes out to be 36/135. Subtract the Smaller one from the bigger one to find the difference, in this case being 39/135. Then to simplify, we need see if we can find a common factor of 135 and 39, which we do: 3. divide both of them by three, and we get the final answer to come out as 13/45, which is the final answer (we know it cant simplify any further since 13 is a prime number).

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The formula for the circumference of a circle is C = 2nr. Find the circumference of a
Sholpan [36]

Step-by-step explanation:

circumference = 2\pi \: r \\ C = 2 \times 3.14 \times ( \frac{4}{2} ) \\ C = 12.56 \: ft

7 0
2 years ago
If the average (arithmetic mean) of 2, 7, and x is 12, what is the value of x?
posledela

Answer:

27. (2+7+27=36 36÷3=12) 36=total of the three numbers, 3=Amount of numbers, 12=Average

5 0
3 years ago
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
Point R lies on the directed line segment from L (-8,-10) to M (4,-2) and partitions the segment in the ratio 3 to 5. What are t
Dvinal [7]

Answer:

R = (- 3.5, - 7 )

Step-by-step explanation:

Using the Section formula

x_{R} = \frac{3(4)+5(-8)}{3+5} = \frac{12-40}{8} = \frac{-28}{8} = - 3.5

y_{R} = \frac{3(-2)+5(-10)}{3+5} = \frac{-6-50}{8} = \frac{-56}{8} = - 7

Thus coordinates of R = (- 3.5, - 7 )

7 0
3 years ago
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But get there on time
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3 years ago
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