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Lilit [14]
3 years ago
10

PLEASE HELP FIRST CORRECT ANSWER GETS BRAINLIEST AND LOTS OF POINTS

Mathematics
1 answer:
Darina [25.2K]3 years ago
3 0

Answer:

i belive it is A

Step-by-step explanation:

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80 volunteers take a meningitis test to help doctors see how accurate this test is at identifying whether someone has meningitis
lubasha [3.4K]

Using it's formula, considering the results, it is found that the accuracy of the test is of 0.95 = 95%.

<h3>What is the accuracy of a test?</h3>

It is given by the <u>number of correct results divided by the number of tests</u>.

In this problem, there were 80 tests, of which 80 - 2 - 2 = 76 had correct results, hence the accuracy is given by:

A = 76/80 = 0.95 = 95%.

More can be learned about the accuracy of a test at brainly.com/question/3128152

#SPJ1

4 0
2 years ago
Larry made 3 batches of punch. Each batch uses 24 fluid ounces of lemon juice and 3 pints of orange juice. If each serving is 1
Helga [31]

24*3=72

72*3=216

3*2=6

216+6=222

the answer is 222

6 0
3 years ago
Convert 3 18/25 to a decimal using long division. A) 0.72 B) 1.38 C) 3.72 D) 3.85
DerKrebs [107]
The correct answer is c. 3.72. Sorry for the confusion
6 0
3 years ago
Read 2 more answers
What's the sum?<br><br> (5b-9)+(b+8)=
Svetllana [295]

Answer:

6b-1

Step-by-step explanation:

4 0
3 years ago
Which expression is equivalent to x+2+ [4x - x2+6x+8\x+4]
denpristay [2]
x+2+\left[4x-\dfrac{x^2+6x+8}{x+4}\right]=x+2+\left[4x-\dfrac{x^2+4x+2x+8}{x+4}\right]\\\\=x+2+4x-\dfrac{x(x+4)+2(x+4)}{x+4}=5x+2-\dfrac{(x+2)(x+4)}{x+4}\\\\=5x+2-(x+2)=5x+2-x-2=4x
Answer: 4x

7 0
4 years ago
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