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alex41 [277]
3 years ago
5

Which graph represents 9x2 – 16y2 – 54x + 64y – 127 = 0?

Mathematics
1 answer:
klasskru [66]3 years ago
3 0

Answer:

Right now I'm wondering what kind of class you are taking to get such a weird graph, but I graphed it for you on the screenie.

Step-by-step explanation:

You should though recheck your question for exponents, as 9x2 could be interpreted differently.

Since exponents to not transition well here, I can assume that it was a 9x^2, so please add an exponent symbol ^ between the variables and exponents next time.

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2 years ago
Suppose the true proportion of voters in the county who support a restaurant tax is 0.54. Consider the sampling distribution for
Eva8 [605]

Answer:

The correct answer is:

(a) 0.54

(b) 0.0385

Step-by-step explanation:

Given:

Restaurant tax,

p = 0.54

Sample size,

n = 168

Now,

(a)

The mean will be:

⇒ μ \hat{p}= p

         =0.54

(b)

The standard error will be:

\sigma \hat{p} = \sqrt{[\frac{p(1-p)}{n} ]}

    = \sqrt{[\frac{(0.54\times 0.46)}{168} ]}

    = \sqrt{[\frac{(0.2484)}{168} ]}

    = 0.0385

6 0
2 years ago
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ycow [4]
................................
5 0
3 years ago
Read 2 more answers
Please help. Find the value of x in the triangle shown below.<br> 5<br> 8
Levart [38]

Answer:

x=+-\sqrt{89}

Step-by-step explanation:

x^{2}=8^{2} + 5^{2}

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4 0
3 years ago
Find the perimeter of a square of whose diagonal measures 12cm
Schach [20]

check the picture below.


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6 0
3 years ago
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