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Crazy boy [7]
3 years ago
9

Correct answers only please!

Mathematics
1 answer:
rewona [7]3 years ago
6 0

Answer:

  D.  8

Step-by-step explanation:

No formula is given, so we use an on-line calculator for the job. The check digit is 8.

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What is y equal two in this equation
Musya8 [376]

Answer:

2.04

Step-by-step explanation:


5 0
3 years ago
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
3 years ago
Mika taught her sister the steps for dividing a decimal by a decimal. Which instructions are correct?
FrozenT [24]

Answer:

I have no clue what so ever

Step-by-step explanation:

please tell me the answer

5 0
3 years ago
Use the points in the diagram to name the figure.<br><br> Answer choices attached below.
Elena-2011 [213]
It's the last answer DC. DC is a segment so there would be a line above it.
6 0
3 years ago
E is route 30<br>Please help mee​
Crazy boy [7]

Answer:

Options A, D and E

Step-by-step explanation:

If a number in square root can't be solved Or square root of the number can't be removed then it is a surd.

Option A

√17 = Surd [Can't be simplified further]

Option B

√36 = 6

Not a surd

Option C

√100 = 10

Not a surd

Option D

√15 = Surd

Option E

√30 = Surd  

Therefore, Options A, D and E are the surd.

3 0
3 years ago
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