1C w/o the typo
no ideas on the others?
A)5x^4y^2+3x^2y+2y
B)8x^2y+6y^2
C)5x^2y+3x^2=6y
D)14x^2y
2)Simplify the following expression
1/3 (21m+27)
A)7m+27
B)7m+9
C)63m+9
D)7m+81
3) What is the sum
7/4+(-1/5)
A)31/20
B)39/20
C)6/9
D)-7/20
4)Which property i illustrated by he following?
3x(-5) = (-5)3x
A)Commutative property of addition
B)Associative Property of addition
C)commutative property of multiplication
D)Inverse property of multiplication
10) what is the algebraic expression for the following word phase : the sum of 5 and 2x?
A)7x
B)5+2
C)5x+2x
D)5+2x
13) What is the difference?
9/4-1/7
A)-3/8
B)59/28
C)-8/3
D)67/28
no ideas on the others?
1/3 (21m+27) = B)7m+9
7/4+(-1/5) = A)31/20
9/4-1/7 = (63-4)/28 = 59/28 B)59/28
C
D
B
A
B
B
A
D
C
A
D
B
B
A
2.b
3.a
4.b
5.c
6.b
7.c
8.c
9.c
10.d
11.a
12.a
13.a
14.a
15.b
16.a
17.b
18.a
19.c
20.d
21.c
22.d
23.b
24.a
25.a
26.d
27.abd
28.b
29. written but I think its 25+(14Γ6)=109
good luck<3
2- c
3- c
4- b
5- c
6- c
7- d
8- c
9- c
10- b
11- b
12- b
13- b
14- d
15- b
16- b
17- b
18- d
19- c
20- d
21- b
22- d
23- b
24- a
25- d
26- d
27- a,b,d
28- d
29 essay $25 + 6($14)
These are the correct answers for Florida connexus academy unit 2 lesson 9 foundational concepts unit test
we'll never know whose right like this
1. 5x^2y+3x^2+6y β C
2. 9-7x β B
3. 47/24 β B
4. Commutative property of multiplication β A
5. Commutative property of addition β C
6. (-4/3), -0.4, 0.8, sqrt 2, sqrt 11 β C
7. 3+(-7)=-4 β D
8. Irrational numbers β C
9. x/2 + 3/4 β A
10. 4g + 6 β B
11. 6/5+y β B
12. x/6y β B
13. 59/28 β B
14. 1/12 β A
15. Associative property of multiplication β B
16. 489 β B
17. -12.47 β B
18. 27/125 β A
19. The product of 6 and the number y β C
20. 85 mph β D
21. -8n+5v β A
22. 169 β A
23. -5y β B
24. 204 - 70 - 25 β D
25. -1/6 β D
26. The product is rational β B
27. 3.12β¦ * 1.4 β A sqrt 9 * sqrt 25 β B 4+5 β D
28. In order to find out how much she paid per apple
29. (Essay. It is worth mentioning my answer was not graded so recommend checking my work before putting it in)
25+6*14 = 25+84 = 109
1: C
2: B
3: C
4: B
5: C
6: B
7: C
8: B
9: C
10: B
11: D
12: C
13: B
14: B
15: D
16: A
17: B
18: D
19: C
20: A
21: A
22: D
23: B
24: D
25: A
26: A
27: C, D, E
28: A
29: $109
Hope it helps :)
2. c
3.a
4. b
5. c
6. c
7. c
8. b
9. a
10. b
11. a
2-B
3-B
4-B
5-C
6-C
7-D
8-B
9-A
10-B
11-A
12-D
13-C
14-D
15-C
16-B
17-A
18-A
19-D
20-D
21-A
22-A
23-A
24-A
25-D
26-A,B
27-B
28- $25 + 6($14) = First, you multiply 6 and 14 together to get 84. 6 x 14 = 84 Next, you put that in the expression. $25 + $84 = Finally, you add, and you get your final answer of $109. $25 + $84 = $109
plz trust this over any other answer key for this test..