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2 years ago

Which of the following fractions is equivalent to 0.45? 45/1000 3/10 9/20 5/9

2 answers:

8 0

In Order To Find The Answer To this quetsion,you have to divide each set of fractions by them selfs and there for 9/20 and 45/1000 are the closest ones.
Divide 45/1000=0.045 but Divide 9/20=0.45 and that is your answer.

Citrus2011 [14]2 years ago

6 0

Answer:

45/1,000

Step-by-step explanation:

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What is the perimeter of the triangle? Round to the nearest tenth.

Cerrena [4.2K]

Answer: 19.8 Units

Step-by-step explanation:

The triangle is shown in the attached figure, and have three vertices: $AB$ , $AC$ and $BC$ .

Each vertice represents a point in the cartesian plane and the length of each side of the triangle is the modulus of each vector.

In this sense, the modulus $m$ is calculated as shown:

$m=\sqrt{(x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2}}$

Hence, for each vector:

$AB=\sqrt{(-2-3)^{2} + (3-0)^{2}}=\sqrt{34}$

$AC=\sqrt{(-2-(4))^{2} + (3-(-3))^{2}}=\sqrt{40}$

$BC=\sqrt{(-4-3)^{2} + (-3-0)^{2}}=\sqrt{58}$

Now, the perimeter of a triangle is the sum of its three sides:

$AB+AC+BC=\sqrt{34} + \sqrt{40} + \sqrt{58}$

Finally:

$AB+AC+BC=19.77 \approx 19.8$

6 0

2 years ago

Abby practiced for 11/12 of an hour and Lauren practiced for 2/3 of an hour. How long did they practice on Wednesday

Olin [163]

You first have to equalize all of the denominator

2/3 will be equal to : 8/12

Total of their practice time would be :

11/12 + 8/12 = 19/12 hours

Hope this helps

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2 years ago

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Dmitry_Shevchenko [17]

I'm thinking it's B for that question

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Temka [501]

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2 years ago

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Kobotan [32]

Answer:

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Step-by-step explanation:

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