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emmainna [20.7K]
3 years ago
6

State the domain and range in the graph.​

Mathematics
1 answer:
Vitek1552 [10]3 years ago
7 0
The domain is x range is y so let’s start! Hmm...that’s a weird one. What grade level are you?
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A serological test is being devised to detect a hypothetical chronic disease. 500 individuals were referred to a laboratory for
andriy [413]

Answer: the predictive value positive of the test is 0.7

Step-by-step explanation:

Given that;

                                              Predicted

                                             Diesease                No-Diesease                Tt

Actual              Diesease           225                           75                         300

No-Diesease         25                175                            200

                                                  250                           250                       500

so finding the predictive value positive of the test,

predictive negative value = (175 / (75+175) )

= 175 / 250

= 0.7

Therefore the predictive value positive of the test is 0.7

7 0
4 years ago
Helpp me please
garik1379 [7]

Answer:

4. D

5. B

6. B

Step-by-step explanation:

Flowcharts are used to show the steps of a process in a subsequential order. They are not used to represent relations or functions therefore the answer is D

In a function each x value had its own corresponding y value. To be more specific the x value cannot repeat.

In answer choice A the x value 3 and -3 repeats therefore is is not a function

in answer choice b each x value has it's own y value. So this might be the answer but just to be safe let's check the other

In answer choice C the x value 2 repeats multiple times therefore it is not a function

In answer choice D the x value 4 repeats therefore it is not a function

So we can conclude that the answer is B

The dependent variable is the variable the depends on another variable to get it's value. in the description of the question it says that the number of products on his plastic bag lists INFLUENCES how many plastic bags he brings to the store.This means that the number of plastic bags depends on the number of products on the plastic bags lists. Hence the answer is B

6 0
3 years ago
A company uses the declining-balance method of calculating depreciation expense. On January 1, the company buys machinery for $7
NeX [460]

Answer:

$516,000

Step-by-step explanation:

Given:

- Beginning boo value of asset A = $750,000

- The salvage value of the asset B = $100,000

- The estimated life of asset t = 10 years

Find:

What is the book value in year 3?

Solution:

- Under the declining balance method, double declining method depreciation rate (R) is calculated by:

                                  R = 1 / t

                                  R = 1 / 10 = 10%

- The accumulated depreciation for 3 years is as follows:

                                 Depreciation: ( A - B ) * R * 2

                 Year 1:     DDB = ( 750,000 - 100,000 ) * 0.2 = $130,000

                 Year 2:    DDB = ( 620,000 - 100,000)*0.2 = $104,000

- The book value in year 3 is:

                                 $ 620,000 - $104,200 = $516,000

                                             

                                   

7 0
4 years ago
For z = 2cispi/6, find z^5 in reactangular form.
andrey2020 [161]

Answer:

heyyyyyheyyyyyyyyyyyyyyyyyyyyyyyyyyheyyyyyyyyyyyyyyyyyyyyyyyyyyy

D that's the answer dont worry Ik I got u

6 0
3 years ago
What is a undo table in math
jenyasd209 [6]
<span>An "undo" table just reverses the ORDER of the steps, doing the OPPOSITE operation as you go. </span>
4 0
4 years ago
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