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alexdok [17]
3 years ago
7

Eight more than twice a number is eight. Find the number.

Mathematics
2 answers:
spin [16.1K]3 years ago
6 0

Answer:

0

Step-by-step explanation:

defon3 years ago
5 0

Answer:

Step-by-step explanation:

2x + 8 = 8

Subtract 8 from both sides.

2x = 0

Divide both sides by 2.

x = 0

You might be interested in
Approximate pi plus the square root of 70 to the nearest hundredth.
stich3 [128]

Answer:

  11.51

Step-by-step explanation:

In general, a calculator is required to evaluate the irrational sum ...

  π + √70

<h3>Calculator result</h3>

The result from a readily-available online calculator is shown in the attachment.

  π + √70 ≈ 11.51

__

<em>Additional comment</em>

You have probably memorized pi to several digits: 3.1416. To obtain the required estimate means you need to approximate √70 to about the same level of precision.

For a number n = a² +b, the square root can be approximated by the continued fraction ...

  √n ≈ a +b/(2a +b/(2a +...))

Effectively, the root (r) can be iterated from the recursive formula ...

  r' = a +b/(a +r)

For √70, we have 70 = 8² +6   ⇒   a=8, b=6

If the initial approximation of the root is r0≈a=8, then a couple of iterations gives ...

  r1 = 8 + 6/(8 +r0) = 8 + 6/(8 +8) = 8 3/8

  r2 = 8 + 6/(8 +r1) = 8 +6/(8 +8 3/8) = 8 48/131

This has sufficient accuracy for the purpose. The decimal equivalent of the sum then becomes ...

  3.1416 +8.3664 = 11.5080 ≈ 11.51

5 0
1 year ago
Can someone please answer. There is only one problem. There's a picture too. Thank you!
amm1812
The answer is 14137.17 because to find the volume of the sphere, the equation is 4/3 times pi times the radius cubed. 
3 0
3 years ago
1. استخدم ورقة منقطة متساوية القياس لرسم منشور مثلثي بارتفاع 6 وحدات ، وبقاعدتين عبارة عن مثلثين قائمی الزاوية بساقين طولهما 6 و
vladimir2022 [97]

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5 0
3 years ago
Hey guys how do I stop crying my favorite teacher left yesterday for five months for the military he always is by my side and he
NeX [460]

Answer:

Step-by-step explanation:

I understand you hardships your going through. I believe you feel like you've lost your best friend, and I have gone through a similar experience when I was in 7th grade.

What I did was I wrote a journal everyday to let my teachers see my English improving day by day (he was my English teacher), because I wanted him to be proud of my progress once he came back.

This made me motivated to see how much time was left for my to see him coming back! I hope this helps.

6 0
3 years ago
Mary wanted to add to her collection of model planes and trains. She wanted to add 5 model planes which cost $19 each and 3 mode
Eva8 [605]
What are the options? But I think a good estimate is $700.
8 0
3 years ago
Read 2 more answers
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