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jeka57 [31]
3 years ago
9

What is 7-3x=2x+7-5x

Mathematics
1 answer:
vovikov84 [41]3 years ago
4 0
Combine like terms
7-3x=-3x+7

Since the equations are the same, the answer is infinitely many solutions.
Final answer: Infinitely many solutions
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The fence should be measured in just feet
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3 years ago
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Find the rational approximation of √15.
ICE Princess25 [194]

9514 1404 393

Answer:

  1921/496

Step-by-step explanation:

There are many rational approximations to √15, some better than others.

A linear approximation is often used:

  √15 ≈ 3 +(15-3^2)/(4^2-3^2) = 3 6/7 = 27/7

That can be refined by one iteration of the Babylonian method of determining the root:

  √15 ≈ (27/7 +15/(27/7))/2 = (3 6/7 +3 8/9)/2 = 3 55/63 = 244/63

This value is equivalent to the root rounded to 4 decimal places.

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Another iteration of the Babylonian method gives the approximation ...

  √15 ≈ 119071/30744, equivalent to the root rounded to 9 decimal places.

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The approximation 1921/496 is the best approximation that has a denominator under 1000.

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<em>Additional comment</em>

Successive rational convergents of the continued fraction approximation of √15 can be found as ...

  a'/b' = (3a +15b)/(a +3b)

This method adds approximately one more good decimal place per iteration.

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Successive rational approximations can be found using the Babylonian method (Newton's method iteration) as ...

  a'/b' = (a² +15b²)/(2ab)

This method has "quadratic" convergence. It approximately doubles the number of good decimal places with each iteration.

You can use 3/1, 4/1, or 27/7 to begin either of these iterations.

7 0
3 years ago
Round 35,894 to the greatest place
Gelneren [198K]
35,894 rounded to the greatest place is 36,000
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3 years ago
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Sara claims that the number of pages she has read in her book is proportional to the number of minutes that she has spent readin
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Answer:

Here's the answer I got for this problem!  Hope it helps! :)

Step-by-step explanation:

x = 77.789

y = 23

8 0
3 years ago
Could the value of x in the triangle below be 4, 6, 9, or 10?<br>brainliest
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Answer:

6

Step-by-step explanation:

I am not completely sure.

3x

if x=4 then it would be 12

if x=6 then it would be 18

if x=9 then it would be 27

if x=10 then it would be 30

the side is shorter than 19 but definitely longer than 6. To me, it looks like a little more than double, more of triple and 6 times 3 is 18.

7 0
2 years ago
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