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Mathematics, 21.06.2019 18:00

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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Mathematics, 22.06.2019 00:30

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)

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Mathematics, 22.06.2019 00:30

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons

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Mathematics, 22.06.2019 01:00

38 points and brainliest plz answer question in word document

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Use the graph to write the factorization of x^2-x-6....

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