PLEASE HELP ASAP WILL GIVE BRAINLIEST!!!

Mathematics

1 answer:

Tatiana [17]3 years ago

4 0

Answer: 18 over x = -2x

Explanation:

Multiply all terms by the same value to eliminate fraction denominators,Cancel multiplied terms that are in the denominator and Re-order terms so constants are on the left,Combine exponents

Move terms to the left side

Rearrange terms

Common factor

Divide both sides of the equation by the same term

Use the quadratic formula

Simplify

Hope this helps (all the Steps to solve)

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Step-by-step explanation:

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Answer:

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The NAR estimates that 23% of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold i

Natali [406]

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Step-by-step explanation:

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Now , the probability that at least 175 homes are going to be used as investments will be :

$P(p\geq 0.21875)=P(\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\geq\dfrac{0.21875-0.23}{\sqrt{\dfrac{0.23(1-0.23)}{800}}})\\\\=P(z\geq-0.756)\ \ [\because\ z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}]\\\\=P(z-z)=P(Z$ [using p-value calculator or z-table]