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jenyasd209 [6]
3 years ago
5

A car travels 60 km on 8 litres of gas. How many km will ittravel on 18 litres of gas?​

Mathematics
2 answers:
lianna [129]3 years ago
5 0

Answer:

135 km

Step-by-step explanation:

The car can travel 60km with 8 litres. If you simplify that, the car can travel 15km with 2 litres.

In a ratio it would look like this, 60:8 and 15:2. Because you want to know how many km it will travel with 18 litres, the ratio would look like this. 9(15):18

135:18

vovikov84 [41]3 years ago
3 0

Answer:

135km

Step-by-step explanation:

Distance covered per litre of gas used =

60km/8 = 7.5km/litre

Hence, when the car uses 18 litres of gas, the car travels 7.5km × 18 litres = 135km.

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There are several different ways to calculate the correlation coefficient, but one of the simplest ways is with Excel.

Open Excel 2007 and sum in one column the numbers for the first set of data. For example, you would add the numbers 10, 20, 30, 40, 50 and 60 in the A2, A3, A4, A5, A6 and A7 cells of your Excel worksheet. In a second column, sum the numbers for the second set of data. For example, you would add the numbers 5, 2, 6, 6, 7 and 4 in the B2, B3, B4, B5, B6 and B7 cells of your Excel worksheet. Your goal is to find the correlation coefficient for these two sets of data.

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3 years ago
Construct a histogram for the following data set: 11, 17, 13, 2, 22, 18, 16, 14, 16, 21, 17, 9, 9, 7, 3
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Step-by-step explanation:

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Find the point, M, that divides segment AB into a ratio of 3.1 if A is at (-4,-2) and B is at (4. -10).
Natasha_Volkova [10]

Answer:

The coordinates of M are (2,-8)

Step-by-step explanation:

The coordinates of the point that divides the line segment joining

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(\frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n})

If A is at (-4,-2) and B is at (4. -10) and the ratio is 3:1.

Then

(\frac{3(4)+1(-4)}{3+1},\frac{3(-10)+1(-2)}{3+1})

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3 years ago
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The answer is A. You just need to add 117,000 + 71,500= 184,500. Is this answer fine?
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3 years ago
This is my question -- solve x^2+5x+6=0
TiliK225 [7]

Answer:

x = -2,-3

Step-by-step explanation:

Solve the equation by factorizing.

To factorize this equation, you have to find the two numbers that adds up to 5 and multiplies to 6.

This one is obvious, but for others you may use trial and error.

After finding the 2 numbers: 2 and 3.

Present them in this format:

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You may check if this is correct using the distribution method.

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for example:

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You may check this by substituting x with either of these values.

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