Mathematics, 03.07.2019 16:50, Jadas960
In a chemistry course, a student scored 99 on one test, 98 on another test, and 88 on each of the other tests. the student’s test average for the course, where each test is weighted equally, is exactly 91. what is the total number of tests that the student has taken in the course?
Answers: 1
Mathematics, 21.06.2019 16:30, mildredelizam
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, 22.06.2019 01:40, tinamarie04ts
Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect
Answers: 1
Mathematics, 22.06.2019 01:50, QueensQueens
Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).
Answers: 2
In a chemistry course, a student scored 99 on one test, 98 on another test, and 88 on each of the ot...
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