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2 years ago

Graph the three points. 2y=-3x+2

Mathematics

1 answer:

Alex787 [66]2 years ago

5 0

<span>2y=-3x+2 |:2
y = -1.5x+1

x=0 </span>⇒ y = -1.5*0 + 1 = 1 A(0; 1)
x=2 ⇒ y = -1.5*2 + 1 = -2 B(2; -2)
x=-2 ⇒ y = -1.5*(-2) + 1 = 4 C(-2; 4)

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2 2/3 of what number is 6 1/7

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Solution:

Given $2\frac{2}{3}$ of what number is $6\frac{1}{7}$ .

Let us first convert the mixed fraction into improper fraction.

$$2\frac{2}{3}=\frac{(2\times3)+2}{3}=\frac{8}{3}$

$$6\frac{1}{7}=\frac{(6\times7)+1}{3}=\frac{43}{3}$

Now, let us take the unknown number be x.

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Do the cross multiplication.

$$ x=\frac{43}{7}\times\frac{3}{8}$

$$ x=\frac{43\times3}{7\times8}$

$$ x=\frac{129}{56}$

Now, again change the improper fraction into mixed fraction.

$$ x=2\frac{17}{56}$

Hence $2\frac{2}{3}$ of $2\frac{17}{56}$ is $6\frac{1}{7}$ .

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