Mathematics, 31.08.2020 01:01 Tayj91
1) Three notebooks, 2 binders and 1 pack of pencils costs $6. Two
notebooks, 1 binder and 2 packs of pencils costs $6.92. One notebook, 3
binders and 3 packs of pencils costs $10.84. How much does one binder
cost?
WHAT DO I KNOW
DEFINE MY VARIABLES
I
N = notebooks
B = Binders.
P = pencils.
WRITE THE SYSTEM
Answers: 3
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Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?
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Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?
Answers: 3
1) Three notebooks, 2 binders and 1 pack of pencils costs $6. Two
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