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3 years ago

2/3 divided by 1/3 in simply formed

Mathematics

2 answers:

Deffense [45]3 years ago

7 0

Answer:

Step-by-step explanation:

2/3 divided by 1/3

Generally,

a/b ÷ c/d

Changing the division sign to multiplication sign will reverse the c/d to d/c

i.e a/b×d/c

Which is equals ad/bc.

2/3÷1/3

2/3×3/1

Then 3 cancel 3

2/1=2

Then the answer is 2

NeX [460]3 years ago

5 0

Answer:

Step-by-step explanation:

2/3÷1/3

Changing the divide sign into multiply will invert the term after it

So we get

(2/3)*3

(2*3)/3

We get

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3 years ago

Through: (-5, -3), perp. to y=-9/4x-5

Mrrafil [7]

Given:

A line passes through (-5,-3) and perpendicular to $y=-\dfrac{9}{4}x-5$ .

To find:

The equation of the line.

Solution:

We have,

$y=-\dfrac{9}{4}x-5$

On comparing this equation with slope intercept form, i.e., $y=mx+b$ , we get

$m_2=-\dfrac{9}{4}$

It means, slope of this line is $-\dfrac{9}{4}$ .

Product of slopes of two perpendicular lines is always -1.

$m_1\times m_2=-1$

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$m_1=\dfrac{4}{9}$

Slope of required line is $\dfrac{4}{9}$ and it passes through the point (-5,-3). So, the equation of the line is

$y-y_1=m(x-x_1)$

where, m is slope.

$y-(-3)=\dfrac{4}{9}(x-(-5))$

$y+3=\dfrac{4}{9}(x+5)$

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$9y+27=4x+20$

$27-20=4x-9y$

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Therefore, the equation of required line is $4x-9y=7$ .

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