Mathematics, 30.01.2020 00:02 Skye251
Igot 5 figured out so far but my brain is pooped. any would be greatly appreciated! in advance.
1. 10ac Γ 6ab Γ (β2bc) = ?
a. 2a + 2b +2c β 120
b. 14a2b2c2
c. 2a + 2b + 2c + 14
d. β120a2b2c2
divide 12x4y4 by 3x2y.
a. 9x6
b. 9x2y3
c. 4x6y5
d. 4x2y3
combine the like terms in the expression 6a β 4b β 2a + c β 3b + a.
a. 3a + b + c
b. 8a + b + c
c. 5a β 7b + c
d. 9abc
remove the parentheses from the following expression, and combine like terms: (2x + 3y β 4z) β (x β y β z)
a. x + 4y β 3z
b. x + 2y β 5z
c. 3x + 4y β 3z
d. 3x + 4y + 5z
find the value of (+328.62) β (+98.6).
a. β427.22
b. 427.22
c. 230.02
d. β230.02
remove the parentheses from the following expression: (+6) β (+2)
a. β6 + 3
b. 6 + 2
c. 6 β 2
d. β6 β 2
find the value of (β3/8) Γ (+8/15).
a. 11/23
b. β1/5
c. β1/3
d. 11/15
10. find the answer to the problem (β5/6) + (β1/12).
a. β4/12, or β1/3
b. β11/12
c. 6/12, or 1/2
d. 9/12, or 3/4
11. what is the value of (1/2)3?
a. 1/6
b. 11/2
c. 1/8
d. 1/2
13. use the correct order of operation to solve the following problem: 3 Γ (50 β 62) Γ· 2
a. 21
b. 69
c. 18
d. 57
14. (β28)(+16) =
a. β448
b. β44
c. β12
d. β196
15. find the value of (β3/4)(β6/15).
a. β9/19
b. 3/10
c. β3/5
d. 31/3
what is the term aβ3 equal to?
a. 1
b. 152a
c. 3a
d. 1/a3
17. find the answer to this problem: (15/16) β (β 3/16)
a. β3/4
b. β11/8
c. 11/8
d. 3/4
18. remove the parentheses from the expression (β2) β (β3).
a. 2 + 3
b. β2 β 3
c. β2 + 3
d. 2 β 3
19. remove the parentheses from the following expression, and combine like terms: (a + b β c) + 3a β 2c
a. 4a + b β 3c
b. 4a + b + 3c
c. 2a β b + c
d. 2a β b β c
20. combine the like terms in this expression: β3x + 2xy + 4y β xy + 2x β 11y
a. 2xy + 15
b. 23x + y
c. β7xy
d. βx+xyβ7y
21. multiply (β4.2)(β6.8).
a. 285.6
b. β285.6
c. 28.56
d. β28.56
22. use the correct order of operations to solve the following problem: 6 + (15 Γ 3) Γ 2.
a. 126
b. 96
c. 102
d. 84
23. a number line is for
a. visualizing the relationship between positive and negative numbers.
b. multiplying fractions and decimals.
c. raising a number to a certain power.
d. adding and subtracting large signed numbers.
24. perform the following division: (β1/6) Γ· (β3/7)
a. 7/18
b. β3/42
c. 3/42
d. β7/18
25. multiply (β3) by (+1.4).
a. 0.42
b. β4.2
c. β0.42
d. 4.2
Answers: 2
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Igot 5 figured out so far but my brain is pooped. any would be greatly appreciated! in advance.
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