Which of the following is a true statement about the table? O The table represents a non-proportional relationship because 2 is not the same value for every row. O The constant of proportionality is -4. O > 0 for every row of the table. O The k-value is -
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- Express the statement as a formula that involves the given variables and a constant of proportionality k, and then determine the value of k from the given conditions.Find the constant of proportionality k.y=(k)/(x), and y = 3 when x = 4.k = ______ (Type an integer or a simplified fraction.)A statement describing the relationship between the variables x,y and z is given. (a) Express the statement as an equation of proportionality. (b) If x is tripled and y is doubled, by what factor does z change? z is jointly proportional to the cube of x and the fifth power of y.
- (b) During a nationwide program to immunize the population against a new strain of the flu,public health officials determined that the cost of inoculating x% of the susceptible populationwould be approximately C(x) =1.85x million dollars. 100 − x(iii) Suppose 17 million dollars are available for providing immunization. What percentageof the susceptible population will not receive immunization? (iv) If money was not a problem will they be able to providing immunization to the entiresusceptible population?A statement describing the relationship between the variables x,y and z is given. (a) Express the statement as an equation of proportionality. (b) If x is tripled and y is doubled, by what factor does z change? z is directly proportional to the square of x and inversely proportional to the fourth power of y.2. Ahmed took a total of 32 quizzes over the course of 4 weeks. How many weeks of school will Ahmed have to attend this quarter before he will have taken a total of 48 quizzes? Assume the relationship is directly proportional.
- A statement describing the relationship between the variables x,y and z is given. (a) Express the statement as an equation of proportionality. (b) If x is tripled and y is doubled, by what factor does z change? z is inversely proportional to the square of x and the cube of y.The pH of saliva is normally in the range of 6.4 to 7.0. However, when a person is ill, the person’s saliva becomes more acidic.(a) When Marco is sick, he tests the pH of his saliva and finds that it is 5.5. What is the hydrogen ion concentration of his saliva? (b) Will the hydrogen ion concentration in Marco’s saliva increase or decrease as he gets better?(c) After Marco recovers, he tests the pH of his saliva, and it is 6.5. Was the saliva more acidic or less acidic when he was sick?During a nationwide program to immunize thepopulation against a new strain of the flu, pubic health officials determined that the cost of inoculating x% of the susceptible populatioin would be approximately C(x) = 1.85x/ 100-x million dollars. a. suppose 17 million dollars are available for providing immunication. What percentage of the sesceptible population will not receive immunization? b. If money was not a problem will they be able to provide immunization to the entire susceptible population?
- If y is directly proportional to x ,and when x=20 then y=40 . what is the constant of proportionality ? Select one: a. 4 b. 8 c. 3 d. 2Differentiate (assume k is a constant) y=1/(p + ke^p)During a nationwide program to immunize the population against a new strain of the flu, public health officials determined that the cost of inoculating x% of the susceptible population would be approximately C(x)=1.85x /100 − x million dollars. (i) What would it cost to providing immunization to the first 20% of the susceptible population?(ii) What would it cost to providing immunization to the next 30% of the susceptible population?(iii) Suppose 17 million dollars are available for providing immunization. What percentage of the susceptible population will not receive immunization?