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3 years ago

0.45 written as a common fraction, in its simplest form, is

Mathematics

1 answer:

Nookie1986 [14]3 years ago

5 0

Answer:

920

So, 0.45=920 as a proper fraction in simplest form.

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4. Make up a system of equations with infinite<br> solutions

Taya2010 [7]

Answer:

$\left \{ {{x+y=1} \atop {2x+2y=2}} \right.$

Step-by-step explanation:

As long as the two equations represent the same straight line on the coordinate plane (they overlap), there will be infinite many intersections and infinite number of solutions.

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3 years ago

A right triangle has a right exterior angle? <br> True or False?

adelina 88 [10]

False because 360-90 is 270

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3 years ago

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Use linear approximation to approximate √25.3 as follows.

Sophie [7]

The idea is to use the tangent line to $f(x)=\sqrt x$ at $x=25$ in order to approximate $f(25.3)=\sqrt{25.3}$ .

We have

$f(x)=\sqrt x\implies f(25)=\sqrt{25}=5$

$f'(x)=\dfrac1{2\sqrt x}\implies f'(25)=\dfrac1{10}$

so the linear approximation to $f(x)$ is

$L(x)=f(5)+f'(5)(x-5)=5+\dfrac{x-5}{10}=\dfrac x{10}+\dfrac92$

Hence $m=\frac1{10}$ and $b=\frac92$ .

Then

$f(25.3)\approx L(25.3)=\dfrac{25.3}{10}+\dfrac92=\boxed{7.03}$

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3 years ago

Please help ASAP!<br><br> what is x=-b/2a?

valina [46]

This is the formula to solve for the vertex.

Example Question:

Find the vertex of y = -0.5x^2 + 100x

-b/2a = -100/2(-0.5) = -100/-1 = 100

The x coordinate of the vertex is 100.

Best of Luck!

P.S. this is 1000th question i've answered :)

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4 years ago

What is 7/12 - 1/3?

Alexxandr [17]

0.25 or 1/4 as a fraction

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0.45 written as a common fraction, in its simplest form, is​

0.45 written as a common fraction, in its simplest form, is