Mathematics, 01.09.2019 17:00 yuvin
1. what are the factors in the expression x(y + 2)?
a) x and y
b) x and 2
c) x and y + 2
d) none of the above
2. which algebraic property does the expression 12 + 0 = 12 represent?
a) additive identity
b) additive inverse
c) addition property of equality
d) associative property of addition
3. if x = 10, what algebraic property does 5x = 5 • 10 represent?
a) multiplicative identity
b) multiplicative inverse
c) multiplication property of equality
d) associative property of multiplication
4. to which subset of real numbers does 0 belong? (select all that apply.)
a. integers
b. irrational numbers
c. natural numbers
d. rational numbers
e. whole numbers
5. what is the algebraic expression for the word phrase “6 times the difference of g and 3”?
a) 6g – 3
b) 6(g – 3)
c) 3 – 6g
d) 6(3 – g)
6. simplify 7 • 8 – 9 + 36 ÷ 3
a) 45
b) 47
c) 57
d) 59
7. a gym membership has an enrollment fee of $50 and costs $35 each month. which expression represents the cost of the gym membership for m months?
a) 35 + 50m = c
b) 35 + 50m
c) 50 + 35m
d) 50 + 35m = c
8. james owes his mom $47. he earned $26 for mowing his neighbor’s lawn and then lent his sister $13. which expression represents james’s financial situation? a) –47 – 26 – 13
b) –47 + 26 – 13
c) 47 – 26 + 13
d) 47 + 26 + 13
9. to which subset of real numbers does -13 belong? (select all that apply.)
integers
a. irrational numbers
b. natural numbers
c. rational numbers
d. whole numbers
10. part 1: provide your own unique example of the commutative property of multiplication.
part 2: provide your own unique example of the symmetric property of equality. note: an example is not the same as a definition.
11. part 1: create your own expression that can be simplified using the order of operations. your expression must include at least three different operations.
part 2: simplify your expression. you must show your work to receive credit.
Answers: 1
Mathematics, 21.06.2019 16:30
You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles
Answers: 3
Mathematics, 21.06.2019 20:20
20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}
Answers: 2
1. what are the factors in the expression x(y + 2)?
a) x and y
b) x and 2
c) x...
a) x and y
b) x and 2
c) x...
English, 14.12.2021 17:30
Mathematics, 14.12.2021 17:30
Social Studies, 14.12.2021 17:30
World Languages, 14.12.2021 17:30
English, 14.12.2021 17:30
Mathematics, 14.12.2021 17:40
Mathematics, 14.12.2021 17:40
English, 14.12.2021 17:40