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NNADVOKAT [17]
3 years ago
15

What is 0.42857142857 as a fraction?

Mathematics
2 answers:
Jlenok [28]3 years ago
7 0

42857142857/100000000000

inna [77]3 years ago
3 0

Answer:

What is 0.42857142857 as a fraction?

To write 0.42857142857 as a fraction you have to write 0.42857142857 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.

0.42857142857 = 0.42857142857/1 = 4.2857142857/10 = 42.857142857/100 = 428.57142857/1000 = 4285.7142857/10000 = 42857.142857/100000 = 428571.42857/1000000 = 4285714.2857/10000000 = 42857142.857/100000000 = 428571428.57/1000000000 = 4285714285.7/10000000000 = 42857142857/100000000000

And finally we have:

0.42857142857 as a fraction equals 42857142857/100000000000

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Find the angle of elevation of the sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14
Hitman42 [59]

Answer:

The angle of elevation of the sun from the ground to the top of a tree is 36^{\circ}.

Step-by-step explanation:

As given

The sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14 yards long.

Now by using the trignometric identity .

tan\theta =\frac{Perpendicular}{Base}

As figure is  given below .

AB =  Perpendicular = 10 yards

BC =  Base = 14 yards

Putting all the values in the trignometric identity .

tan\theta =\frac{AB}{BC}

tan\theta =\frac{10}{14}

\theta =tan^{-1}(\frac{10}{14})

\theta =36^{\circ}

Therefore the angle of elevation of the sun from the ground to the top of a tree is 36^{\circ}.

7 0
3 years ago
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A rectangle has a length of 1.5abc and a width of 10abc find the area of the rectangle
Vikentia [17]

Answer:

A =  15 a²b²c² square units

Step-by-step explanation:

Area of a rectangle = LW

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2 years ago
3x+7-6=(8/7)-0<br>Value of x?​
ArbitrLikvidat [17]

Answer:

\boxed{\sf x = \dfrac{1}{21}}

Explanation:

\rightarrow \sf 3x+7-6= \dfrac{8}{7}  - 0

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\rightarrow \sf 3x+1= \dfrac{8}{7}

subtract 1 from both sides

\rightarrow \sf 3x+ 1 -1= \dfrac{8}{7}   - 1

simplify the following

\rightarrow \sf 3x= \dfrac{1}{7}

multiply both sides by 1/3

\rightarrow \sf 3x \cdot \dfrac{1}{3}= \dfrac{1}{7}\cdot \dfrac{1}{3}

simplify the following

\rightarrow \sf x = \dfrac{1}{21}

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Answer:

1

Step-by-step explanation:

You can't construct more than 1 triangle. If either of the angles shift, the triangle won't close. And a equilateral triangle must close to be considered, well, a triangle.

3 0
3 years ago
What is 2 and 3/4 times 4/5. <br><br><br> Please help me
skelet666 [1.2K]
The answer should be 2.2, or as a fraction from 2 and 1/5
as 2 and 3/4 can be changed to 2.75 and 4/5 can be changed to 0.8
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