[Answered] A urine sample is diluted 1:4 before testing. Testing indicates that the concentration of protein ...

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Author Question: A urine sample is diluted 1:4 before testing. Testing indicates that the concentration of protein ... (Read 111 times)

nevelica

Hero Member
Posts: 563

on: Jun 27, 2018

A urine sample is diluted 1:4 before testing. Testing indicates that the concentration of protein present is 10 g. What is the true concentration of protein in the urine?

A) 2.5 g
B) 10 g
C) 20 g
D) 40 g

Question 2

Consider the following expression. 9 - (-3) Which of the following expressions is another way of writing this?

A) 3 + 9
B) 3 - 9
C) 9 + 3
D) 9 - 3

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janeli1

Sr. Member
Posts: 330

Reply #1 on: Jun 27, 2018

Answer to Question 1

D

Answer to Question 2

C

nevelica

Hero Member
Posts: 563

Reply #2 on: Jun 27, 2018

Thank you

janeli1

Sr. Member
Posts: 330

Reply #3 on: Jun 27, 2018

No problemo

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Author Question: A urine sample is diluted 1:4 before testing. Testing indicates that the concentration of protein ... (Read 111 times)

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