Mathematics, 15.07.2020 01:01 parosil
Determine whether the study depicts an observational study or an experimentA poll is conducted by a school's math department in which forth - grade students are asked if they prefer to be in their math class or science classchoose the correct description of studya. the study is am experimental because the study examines indiveduals in a sample ,but does not try to influence the variableb. the study is an observational study because the study examines individuals in a samplec. the study is an experiment because the researchers control one variable to determine the effect on the respondsd. the study is observational study because the researcher scontrol one variable to determine the effect on the response variable
Answers: 2
Mathematics, 21.06.2019 15:10
Can (2,3 and square root 10) be sides ona right triangle?
Answers: 1
Mathematics, 21.06.2019 16:30
Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?
Answers: 3
Mathematics, 21.06.2019 16:50
Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.
Answers: 3
Determine whether the study depicts an observational study or an experimentA poll is conducted by a...