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zzz [600]
2 years ago
5

Find the minimum value of

Mathematics
1 answer:
vekshin12 years ago
3 0

Step-by-step explanation:

C=y[20]

Cy=[20] Answer is Cy=[20]

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If 7 litres of petrol cost $14.70 ,calculate the cost of 15 litres of petrol<br><br> Kindly answer
erastovalidia [21]

Answer:

The cost of 15 liters is $31.50

Step-by-step explanation:

1. Find the price for 1 liter of petrol.

Divide the cost by the number of liters:

$14.70 / 7 = $2.10 per liter.

2. Multiply the price for 1 liter by the new number of liters, 15.

$2.10 per liter x 15 liters = $31.50

3 0
3 years ago
Problem
Studentka2010 [4]
The answer is A and C
3 0
2 years ago
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How to find equation of line passing through the points (x,y)​
DochEvi [55]

First you must acknowledge that you are dealing with a line therefore you must write linear equation or linear function in this case.

Linear function has a form of,

y=mx+n

Then calculate the slope <em>m</em> using the coordinates of two points. Let say <em>A(x1, y1)</em> and <em>B(x2, y2)</em>,

m=\dfrac{\Delta{y}}{\Delta{x}}=\dfrac{y_2-y_1}{x_2-x_1}

Now pick a point either <em>A</em> or <em>B</em> and insert coordinates of either one of them in the linear equation also insert the slope you just calculated, I will pick point <em>A</em>.

y_1=mx_1+n

From here you solve the equation for n,

y_1=mx_1+n\Longrightarrow n=y_1-mx_1

So you have slope <em>m</em> and variable <em>n</em> therefore you can write down the equation of the line,

f(x)=m_{slope}x+n_{variable}

Hope this helps.

r3t40

3 0
2 years ago
Help me pls I kind of confused
Sunny_sXe [5.5K]
Ok so basically you have to anahajahabdbnxnxkskalakand
4 0
2 years ago
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marisol is finding the slope of the line containing the points (3,7) and (5,10). Find her mistake and correct it.
Alexxx [7]
The y-value must be the numerator.  

The correct way of solving this would be (7-10)/(3-5)=3/2 
6 0
3 years ago
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