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-?β
Answers: 3
Mathematics, 21.06.2019 20:00
Will possibly give brainliest and a high rating. choose the linear inequality that describes the graph. the gray area represents the shaded region. 4x + y > 4 4x β y β₯ 4 4x + y < 4 4x + y β₯ 4
Answers: 1
Mathematics, 21.06.2019 21:00
Which expression is equal to (21)(7)(3x) using the associative property? (21 Β· 7 Β· 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)
Answers: 2
Mathematics, 21.06.2019 21:30
(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.
Answers: 2
Mathematics, 21.06.2019 22:30
If a line is defined by the equation y = 5x + 2, what is the slope?
Answers: 2
A city's water supply is fluoridated by Adding NaF.
The desired concentration of F is 1.6ppm. How m...
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