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Softa [21]
3 years ago
12

14 fr to 21 ft ( simply )

Mathematics
1 answer:
zimovet [89]3 years ago
6 0
If you're asking the difference between 14 ft and 21 ft your answer is 7 ft, just subtract 14 from 21
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The selling price for houses in a neighborhood in West Richland, WA have an approximately normal distribution with a mean sellin
Liula [17]

The probability that the average selling price of the 35 homes will be within $2000 of the true mean is 0.5753

First, we need to find the z-score and this is expressed according to the formula;

z=\dfrac{x-\mu}{\sigma}

x is the sample space

\mu is the mean value

\sigma is the standard deviation

Given the following parameters

Mean = $275,000

Standard deviation = $10,500

If the true mean is $273,000, then;

z=\dfrac{273,000-275000}{10,500} \\z = \frac{-2000}{10500}\\z= -0.1905

If the true mean is $277,000

z=\dfrac{277,000-275000}{10,500} \\z = \frac{2000}{10500}\\z= 0.1905

This means that the z-score is between -0.1095 and 0.1095

Pr( -0.1095 ≤ z ≤ 0.1095)

According to the z table, the probability that the average selling price of the 35 homes will be within $2000 of the true mean is 0.5753

Learn more here: brainly.com/question/17436641

3 0
2 years ago
HELPPPP<br> Solve for x using the figure to the right.
Maurinko [17]

Answer:

x = 20 units

Step-by-step explanation:

By geometric mean theorem:

{x} =  \sqrt{40 \times 10}  \\  \\  \implies{x} =  \sqrt{400}  \\  \\ \implies{x} =  20 \: units  \\  \\

7 0
2 years ago
HELP QUICK AND FAST WHAT THE ANSWER
pychu [463]

The answer is C.

V= 3.14 * (7*7) * 14 / 3

6 0
3 years ago
Select the denominator of 4/9
Assoli18 [71]
The denominator is the one on the bottom so 9 is the denominator the top is the numerator
5 0
3 years ago
Form a polynomial f(x) with real coefficients having the given degree and zeros.
dimaraw [331]
There are many polynomials that fit the bill,
f(x)=a(x-r1)(x-r2)(x-r3)(x-r4)  where a is any real number not equal to zero.
A simple one is when a=1.
where r1,r2,r3,r4 are the roots of the 4th degree polynomial.
Also note that for a polynomial with *real* coefficients, complex roots *always* come in conjugages, i.e. in the form a&pm;bi  [&pm;=+/-]

So a polynomial would be:
f(x)=(x-(-4-5i))(x-(-4+5i))(x--2)(x--2)
or, simplifying
f(x)=(x+4+5i)(x+4-5i)(x+2)^2
=x^4+12x^3+77x^2+196x+164   [if you decide to expand]
6 0
3 years ago
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