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Oksanka [162]
3 years ago
8

15 mm

Mathematics
1 answer:
Kamila [148]3 years ago
3 0
Does it have to be a certain length
You might be interested in
The distance between town X and town Y is 124 kilometres and a car uses 25 litres of petrol to make the journey. after the engin
Jlenok [28]

Answer:

49 litres of petrol are needed to travel from town X to town Y and back.

Step-by-step explanation:

Well, first off, the variable X and Y, as well as the distance given (124 km) aren't important pieces of information in this equation. They're only there to throw you off and confuse you.

25L of <em>p</em> (petrol) to make the entire journey. After the engine has been tuned, it requires 2% less <em>p</em> than before it was tuned.

2%/100 = 0.02

0.02 * 25L = 0.5L

25L - 0.5L = 24.5L

Now, don't forget, at the end of the word problem we're asked how many litres of <em>p</em> would be required to travel from <em>x</em> to <em>y</em> <em><u>AND BACK</u></em>. So it's not only 24.5L, it's double that (24.5 * 2 = 49L)

Good luck!!

6 0
3 years ago
Read 2 more answers
Please answer. i need answer now. very important
Kamila [148]

Answer:

True

Step-by-step explanation:

Every input (x) has one output(y). If you were to plug in any of the x values from a point from this graph to this function(not given) you'd get one y value

5 0
3 years ago
Which table represents an arithmethic sequence?
Fiesta28 [93]

Table 3  represents an arithmetic sequence.

Solution:

To find which table represents an arithmetic sequence:

In arithmetic sequence difference of each term is equal.

d=a_n-a_{n-1}

Table 1:

d=a_2-a_1

  = –12 – (–6)

d = –6

d=a_3-a_2

  = –24 – (–12)

d = –12

Here differences are not equal.

So table 1 not represents an arithmetic sequence.

Table 2:

d=a_2-a_1

  = 9 – 7

d = 2

d=a_3-a_2

  = 13 – 9

d = 4

Here differences are not equal.

So table 2 not represents an arithmetic sequence.

Table 3:

d=a_2-a_1

  = 7.3 – 8.7

d = –1.4

d=a_3-a_2

  = 5.9 – 7.3

d = –1.4

d=a_4-a_3

  = 4.5 – 5.9

d = –1.4

d=a_5-a_4

  = 3.1 – 4.5

d = –1.4

Here differences are equal.

So table 3 represents an arithmetic sequence.

8 0
3 years ago
What is the ratio of the eggs in the first burrow to the eggs in the second burrow?
Brut [27]

Answer: 2:1

Step-by-step explanation:

The original ratio would be 12:6 but can be simplified to 2:1

hope it helps :)

3 0
3 years ago
Write an equation parallel to the line determined by the points (15, -6) and (-3, 13), through: (4, 2)
gulaghasi [49]

Answer:

The answer is

<h2>y =  -  \frac{19}{18} x +  \frac{76}{2}</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

That's

Slope of the through points

(15, -6) and (-3, 13) is

<h3>m =  \frac{13 -  - 6}{ - 3 - 15}  =  -  \frac{19}{18}</h3>

Since the lines are parallel their slope are also the same

So slope of parallel line = - 19/18

Equation of the line using point (4,2) and slope -19/18 is

<h3>y - 2 =  -  \frac{19}{18} (x - 4) \\ y - 2 =  -  \frac{19}{18}  x +  \frac{38}{9}  \\ y =  -  \frac{19}{18} x +  \frac{38}{9}  + 2</h3>

We have the final answer as

<h3>y =  -  \frac{19}{18} x +  \frac{76}{2}</h3>

Hope this helps you

7 0
3 years ago
Read 2 more answers
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