Mathematics, 15.07.2019 17:30 PoPFli21
1. which number sentence shows the commutative property of addition? 9 + 3 = 12 9 + 3 = 3 + 9 3 + (9 + 1) = (3 + 9) + 1 3 * 9 = 27 2. use the commutative property of multiplication to identify which expression is equivalent to 6(2)(x). 12x 6(2x) 2(6)(x) 6 + 2 + x 3. use the commutative property to identify which expression is equal to (6+4)*5 5 * (6 + 4) 5 * 6 + 4 * 6 5 + (6 * 4) (6 + 4 * 5) 4. what is missing for the following quantity to be true? 9x + 3y +5a =3y + _ + 5a a. 10x b. 3y c. 9x d. 5a 5. which number sentence shows the associative property of addition? choose all that apply. a. 8 + (2 + 3) = (8 + 2) + 3 b. 3x(5 + 2) = 3x(5) + 3x(2) c. 8z + 9p = 9p + 8z d. (6 + 5) + 9 = 6 + (5 + 9)
Answers: 1
Mathematics, 21.06.2019 17:00
You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?
Answers: 2
Mathematics, 21.06.2019 23:20
The cost of turkey is directly proportional to its weight. if a 12-pount turkey costs $27, how much does a 13-pound turkey cost? a. $33.75 b. $36.00 c. $31.00 d. $32.50
Answers: 1
Mathematics, 21.06.2019 23:30
Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.
Answers: 3
Mathematics, 22.06.2019 02:20
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. which number sentence shows the commutative property of addition? 9 + 3 = 12 9 + 3 = 3 + 9 3 + (...
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