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Lera25 [3.4K]
3 years ago
5

Solve for x in the equation 3 x squared minus 18 x + 5 = 47.

Mathematics
2 answers:
bekas [8.4K]3 years ago
7 0

Answer:

A. X = +/- sqr root 23

Step-by-step explanation:

I did the Edgenuity

ryzh [129]3 years ago
6 0

Answer:

x= 3 +\sqrt{23}, 3 -\sqrt{23}

Step-by-step explanation:

You use the quadratic formula to get x= \frac{18+6\sqrt{23} }{6} ,\frac{18-6\sqrt{23} }{6}

Then you simplify and get the answers x= 3 +\sqrt{23}, 3 -\sqrt{23}

​​  

​​  

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a ships triangular signal flag has a base of 8 inches and an area of 64 square inches.what is the height of the signal flag?
wel
Area of a triangle is 1/2b×h
a=1/2b×h
64=1/2 8×h
64= 4 × h
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Answer: the height is 16 inches

4 0
3 years ago
Wendy goes to the gym every 4 days and swims every 6 days. If she went to the gym and swam today, in how many days will she do b
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In 12 days, Wendy will do the both again.

Step-by-step explanation:

Given,

Wendy goes to gym every 4 days

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Thus,

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Keywords: multiples, LCM

Learn more about multiples at:

  • brainly.com/question/10196212
  • brainly.com/question/1021953

#LearnwithBrainly

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Answer:

B. and D.

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
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