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Alecsey [184]
3 years ago
7

4х – 9у – 2 = 0 12х - 5у + 38 = 0 answer in x and y intercept​

Mathematics
1 answer:
garri49 [273]3 years ago
3 0

Answer:

x=5

y=2

Step-by-step explanation:

-3(4х – 9у – 2 = 0)

=-12x+27y+6

12х - 5у + 38    

-12x+27y+6

22y=44

y=2

x:

4x-9(2)-2=

=4x-20

4x=20

x=5

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zepelin [54]

Answer:

The required equation is: \mathbf{f(x)=\frac{3}{4}x-\frac{29}{4}}

Step-by-step explanation:

We need to find equation from the table given

x     f(x)

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We can write equation in the form of y=mx+b

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Finding Slope

We can used the slope formula to find slope: Slope=\frac{y_2-y_1}{x_2-x_1}

From the table we have: x_1=3, y_1=-5, x_2=7, y_2=-2

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Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{-2-(-5)}{7-3} \\Slope=\frac{-2+5}{7-3}\\Slope=\frac{3}{4}

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Now, finding y-intercept

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So, the equation having slope m=\frac{3}{4} and y-intercept b=\frac{-29}{4} will be:

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The required equation is: \mathbf{f(x)=\frac{3}{4}x-\frac{29}{4}}

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For the reaction 2Fe + O2 → 2FeO, how many grams of iron oxide are produced from 42.4 mol of iron?
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Answer:

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