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balu736 [363]
2 years ago
5

40 cm = how many m ?

Mathematics
2 answers:
amm18122 years ago
7 0

Answer: .4m

Step-by-step explanation:

move decimal over

guajiro [1.7K]2 years ago
7 0

Answer:

⅖ m or 0.4 m

Step-by-step explanation:

1 m [meter(s)] = 100 cm [centimeter(s)].

_____________________________

(x) m = (100)(x) cm

(100)(x) = 40

x = 40 / 100

x = 4 / 10 = 2 / 5

x = 0.4

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The difference of depths between them, and which trench is deeper is (a) 2 km, and the Mariana Trench is deeper

<h3>What is the difference of depths between them, and which trench is deeper?</h3>

The given parameters are:

Mariana Trench = 11 km

Japan Trench = 9 km

The Mariana Trench is deeper because 11 is greater than 9

The difference between the depth is

Difference = 11 km - 9 km

Difference = 2 km

Hence, the difference of depths between them, and which trench is deeper is (a) 2 km, and the Mariana Trench is deeper

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3.1 Find the equation of the line passing through (4, 5) and parallel to the line 3x – 2y = 4.
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                   \rule{50}{1}\large\blue\textsf{\textbf{\underline{Question:-}}}\rule{50}{1}

            <em>Find the equation of the line passing through (4, 5) and parallel to </em>

<em>                 3x-2y=4.</em>

<em />

<em>  </em>\rule{50}{1}\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}\rule{50}{1}

First of all, We need to convert this equation from standard form (ax+by=c) into slope-intercept form (y=mx+b).

\rightarrow First, add 2y on both sides:-

                            \Large\textsf{3x+2y=4}

\rightarrow Now, subtract 3x on both sides:-

                  \Large\textsf{2y=-3x+4}

\rightarrow Divide by 2 on both sides

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\rule{300}{3}

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Remember, if lines are parallel to each other, then their slope's the same.

So the slope of the line that's parallel to the line whose equation we just found, is

\Large\text{$-\displaystyle\frac{3}{2}$}

Now let's write the equation in point-slope form:-

\hookrightarrow\sf{y-y_1=m(x-x_1)}

Replace numbers with letters, as follows:-

\sf{y-5=-\displaystyle\frac{3}{2} (x-4)}

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Incase you need it converted to slope intercept form, refer to the steps below ~

Multiply -3/2 times x and -4:-

\hookrightarrow\sf{y-5=-\displaystyle\frac{3}{2} x-6}

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\hookrightarrow\sf{y=\displaystyle\frac{3}{2} x+1}

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<h3>Good luck with your studies.</h3>

#TogetherWeGoFar

\rule{300}{1}

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