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GuDViN [60]
3 years ago
13

A triangle has side lengths of 6,8, and 9 what type of triangle is it

Mathematics
1 answer:
Strike441 [17]3 years ago
5 0
9^2 < 6^2 + 8^2 

so its acute angled.
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Tina placed a 15 meter rope along one side of the bicycle path. She hung a ribbon on each end of the rope and every 3 meters in-
dusya [7]
Hello!

She placed 6 ribbons

2 at the ends and 5 every 3 meters
7 0
3 years ago
In a particular region, 6% of the population is thought to have a certain disease. A standard diagnostic test has been found to
pochemuha

Answer:

The positive predictive value ≈ 30.012%

Step-by-step explanation:

(a) The given percentage of the people in the region that have the disease, P(D) = 6% = 0.06

The percentage people correctly identified as having the disease by the standard diagnostic test = 91%

The percentage of people incorrectly identified as having the disease by the standard diagnostic test, P(T + |H) = 8%

Therefore, the sensitivity of the test, P(T + |D) = 0.91

The specificity of the test, P(T - |H) = 1 - 0.08 = 0.92

Therefore, the probability that a person is healthy, P(H) = 1 - 0.06 = 0.94

Therefore, in a population of 1,000 people, 60 people have the disease, with a sensitivity of 91%, the test will correctly pic 0.91×66 = 60.06 people correctly with the disease and 0.91 × 940 = 855.4 people without the disease

The number of non-diseased that test positive by the test is 0.08 × 1000 = 80 people which are false positives

Therefore, the number of diseased diagnosed as negative is 0.08 × 60 = 4.8

Therefore, we have;

\begin{array}{cccc}&Deseased&Non-diseased& Diseased + Non-diseased\\Test  \ +ve&60.06&80& 140.06\\Test \ -ve&4.8&855.4&\end{array}

The positive predictive value = Diseased +ve/(Diseased +ve + Non-diseased  +ve)

The \ positive \  predictive  \ value = \dfrac{Diseased +ve}{Diseased +ve + Non-diseased  +ve} \times 100

Therefore;

The positive predictive value = 60.06/(60.06 + 140.06) × 100 ≈ 30.012%

7 0
2 years ago
On a quiz worth 5 points, two students earned a 5, zero students earned a 4, zero students earned a 3, zero students earned a 2,
olchik [2.2K]

The class average would be all the test scores added up and divided by the number of scores.

5+5+1+1+1+1+1+0+0+0+0= 15

15/11=1.37

The class average is 1.37

8 0
3 years ago
Read 2 more answers
An experiment consists of drawing 1 card from a standard​ 52-card deck. what is the probability of drawing a queenqueen​
Vaselesa [24]
Total number of cards in the deck = 52
Total number of queens = 4

P(Queen) = 4/52 = 1/13

Answer: 1/13
6 0
3 years ago
Find The Answer!!!<br> (((2310x189.78988)+734)x8):1=?
stealth61 [152]
<span>(((2310x189.78988)+734) x 8):1
= ((438414.6228 + 734) </span>x 8):1
= (439148.6228 x 8):1
= 3513188.98 : 1
= 3513188.98

In short, Your Answer would be 3513188.98

Hope this helps!
4 0
3 years ago
Read 2 more answers
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