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3 years ago

I NEED TO KNOW HOW THIS FRACTION IS WRITTEN AS A DECIMAL

Mathematics

2 answers:

DanielleElmas [232]3 years ago

6 0

13/250=0.052 is the answer

mamaluj [8]3 years ago

4 0

<span>
To write 13/250 as a decimal you have to divide the numerator by the denominator of the fraction.
We divide 13 by 250 and we get 0.052
And we get 13/250 as a decimal equals 0.052.

</span>

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Forces of 9 lbs and 13 lbs act at a 38º angle to each other. Find the magnitude of the resultant force and the angle that the re

fiasKO [112]

Answer: $R=20.84\ lb\quad 22.57^{\circ},15.43^{\circ}$

Step-by-step explanation:

Given

Two forces of 9 and 13 lbs acts $38^{\circ}$ angle to each other

The resultant of the two forces is given by

$\Rightarrow R=\sqrt{a^2+b^2+2ab\cos \theta}$

Insert the values

$\Rightarrow R=\sqrt{9^2+13^2+2(9)(13)\cos 38^{\circ}}\\\Rightarrow R=\sqrt{81+169+184.394}\\\Rightarrow R=\sqrt{434.394}\\\Rightarrow R=20.84\ lb$

Resultant makes an angle of

$\Rightarrow \alpha=\tan^{-1}\left( \dfrac{b\sin \theta}{a+b\cos \theta}\right)\\\\\text{Considering 9 lb force along the x-axis}\\\\\Rightarrow \alpha =\tan^{-1}\left( \dfrac{13\sin 38^{\circ}}{9+13\cos 38^{\circ}}\right)\\\\\Rightarrow \alpha =\tan^{-1}(\dfrac{8}{19.244})\\\\\Rightarrow \alpha=22.57^{\circ}$

So, the resultant makes an angle of $22.57^{\circ}$ with 9 lb force

Angle made with 13 lb force is $38^{\circ}-22.57^{\circ}=15.43^{\circ}$

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3 years ago

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-1/5(-2 1/4)? (-1/5 x -2 1/4)=?? Brainilist

strojnjashka [21]

$- \frac{1}{5} \times - 2 \frac{1}{4} \\ - \frac{1}{5} \times ( - 2) \times \frac{1}{4} \\ \frac{1}{5} \times 2 \times \frac{1}{4} \\ \frac{1}{5} \times \frac{1}{2} \\ \\ answer = \frac{1}{10} \\$

<h2>Final Answer: 1/10</h2>

Alternate Forms:

Decimal: 0.1

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2 years ago

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3 years ago

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Isolate the z. Note the equal sign. Subtract 1/7z to both sides

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2 = -7/7z

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3 years ago

sam can't keep up with the demand for the latest best selling book. he had to order more copies twice this week.on Monday he pla

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Answer:

Sam would receive 17 boxes of books.

Step-by-step explanation:

Given:

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3 years ago