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3 years ago

A triangle has sides with lengths of 60 miles, 75 miles, and 45 miles. Is it a right triangle?

Mathematics

1 answer:

erastovalidia [21]3 years ago

4 0

Answer:

I don't think it is

Step-by-step explanation:

tell me if I'm wrong

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The U.S. Census Bureau announced that the median sales price in 2014 for new homes was $282,800 and the mean sales price was $34

victus00 [196]

Answer:

a) 0.9964

b) 0.3040

Step-by-step explanation:

Given data:

standard deviation = $90,000

Mean sales price =$345,800

sample mean = $370,000

Total number of sample = 100

calculate z score for [/tex](\bar x = 370000)[/tex]

$z = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{370000 - 345800}{\frac{90000}{\sqrt{100}}}$

z = 2.689

P(x<370000) = P(Z<2.689)

FROM STANDARD NORMAL DISTRIBUTION TABLE FOR Z P(Z<2.689) = 0.9964

calculate z score for (\bar x = 350000)

$z = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{350000 - 345800}{\frac{90000}{\sqrt{100}}}$

z = 2.133

$P(350000 \leq \bar x \leq 365000) = P(0.467 \leq Z\leq 2.133) = P(Z\leq 2.133) - P(Z\leq 0.467)$

FROM NORMAL DISTRIBUTION TABLE Z VALUE FOR

$P(Z\leq 2.133) = 0.9836$

$P(Z\leq 0.467) = 0.6796$

SO, = 0.9836 - 0.6796 = 0.3040

4 0

4 years ago

Justin’s doctor said that the expression StartFraction x y 5 over 2 EndFraction, where x and y are his parents’ current heights

olya-2409 [2.1K]

He should have added the values in the numerator before dividing by 2.

<h2>Given </h2>

Justin’s doctor said that the expression;

Expression; $\rm \dfrac{x+y+5}{2}$

Where x and y are his parents’ current heights in inches.

Mom’s height = 54 inches Dad’s height = 71 inches.

Substitute all the values in the equation;

$\rm= \dfrac{x+y+5}{2} =\\\\=\dfrac{71+54+5}{2} \\\\= \dfrac{130}{2}\\\\= 65$

Hence, He should have added the values in the numerator before dividing by 2.

To know more about Equation click the link given below.

brainly.com/question/13455660

5 0

2 years ago

Read 2 more answers

An art student is searching for a rectangular canvas to paint on. His professor requires that both the height and width of the c

Pavlova-9 [17]

H>12 and w>12 however p≤60

p=2(h+w) but give what we have above for h and w

p>48 so p must satisfy the solution set:

48<p≤60 and since p=2(h+w)

48<2(h+w)≤60

24<h+w≤30

So there are infinitely many solutions if h and w are not restricted to integer values...

(h,w) vary from (12,18) to (18,12) Note that neither endpoints exist, 12 because it is explicitly excluded and 18 because that would make the other dimension 12 which is excluded...

Now if you are just talking integer values, there are only:

(13,17),(14,16),(15,15),(16,14),(17,13)

4 0

3 years ago

An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. With the given information, wh

GarryVolchara [31]

the answer is true i think

8 0

4 years ago

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HELPP PLEASE<br> pleasee hellpppppppp

Ber [7]

all 3 dots on the line are located at Y 2, which make the line horizontal.

The slope of a horizontal line is always 0

3 0

3 years ago