Mathematics, 21.02.2021 23:30 Perdikaris
A city's water supply is fluoridated by Adding NaF.
The desired concentration of F is 1.6ppm. How many
mg of NaF should be added per gallon of
treated water if the water supply is 0.2ppm in F-?
Answers: 3
Mathematics, 21.06.2019 17:00
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Answers: 1
Mathematics, 21.06.2019 20:00
Find the value of x. round the length to the nearest tenth
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Mathematics, 21.06.2019 22:30
According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.
Answers: 1
Mathematics, 21.06.2019 23:00
I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )
Answers: 1
A city's water supply is fluoridated by Adding NaF.
The desired concentration of F is 1.6ppm. How m...
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