2.5= -2B+6 Pls help me, №17886534, 07.04.2021 12:53

Mathematics

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P Answered by PhD

1

B= 1.75

hope that helps

Mathematics

Would anyone me with these math questions you very much. 1.which of the following is an example of an open operation? a. 5x+7=12 b. 12+(-8)=4 c. 25=5(5) d. 8+0=8 my answer for this one is a. 2. which of the following equations has 3 as a solution? a. -2b=6 b. 4a-5+12 c. 5y=y+8 d. z-15=-12 3.is (1,5) a solution to the equation y=x-2? yes no 4. is (-2, -6) a solution to the equation y=3x yes no 5. which of (3,5) , (4,6) (5,7), and (6,8) are solutions to y=x+2 a. (3,5) and (4,6) b. (4,6) and (5,7) c. none d. all 8. what does it mean to inductive reasoning

Step-by-step answer

P Answered by Master

5

1) I'm not sure what an open operation is.
2) D
3) No
4) Yes
5) D
6) hmm
7) there doesn't seem to be a 6 or 7
8) C

Mathematics

Would anyone me with these math questions you very much. 1.which of the following is an example of an open operation? a. 5x+7=12 b. 12+(-8)=4 c. 25=5(5) d. 8+0=8 my answer for this one is a. 2. which of the following equations has 3 as a solution? a. -2b=6 b. 4a-5+12 c. 5y=y+8 d. z-15=-12 3.is (1,5) a solution to the equation y=x-2? yes no 4. is (-2, -6) a solution to the equation y=3x yes no 5. which of (3,5) , (4,6) (5,7), and (6,8) are solutions to y=x+2 a. (3,5) and (4,6) b. (4,6) and (5,7) c. none d. all 8. what does it mean to inductive reasoning

Step-by-step answer

P Answered by Master

5

1) I'm not sure what an open operation is.
2) D
3) No
4) Yes
5) D
6) hmm
7) there doesn't seem to be a 6 or 7
8) C

Mathematics

Need answers as soon as possible, will give brainiest and rate 5/5. 1: solve x/-3 = -15. 45 -45 5 -5 2: find the value of -7 + 3(-12) ÷ (-3). -16 -19 -40 5 3: if f(n) = n^2 - n, then f(-4) is -20 20 12 -12 4: which equation does not have the same solution as the others? x/4 = 2 x - 9 = 17 x + 12 = 20 2x = 16 5: the solution to 2x - 5 = 27 is also a solution of which of the following equations? 3 + 5x = 58 3x - 2 = 31 2x + 3 = 35 27 - 2x = 5 6: find the value of -8 - 12 - (-20). 24 -40 16 0 7: evaluate -2x ^2y, if x = -3 and y = -1. -12 -18 18 12

Step-by-step answer

P Answered by Master

54

1. x/-3=-15
x=45

2. -7+3(-12)÷-3
-7+12
5

3. f(-4)=(-4)²-(-4)
f(-4)=16-(-4)
f(-4)=20

4. x-9=17

5. 2x+3=35

6. -8-12-(-20)
-20-(-20)
0

7. -2(-3)²(-1)
-2(9)(-1)
-18(-1)
18

8. x-(-2)

9. subtract 7 then divide by -2

10. 6+(-18)+(-13)+9
-12-4
-16

11. 5x=11

12. division property

13. -3³ = -27

14. x/2-3=7
x/2=10
x=20

15. 2x-5=15

16. x/-4-(-8)=12
x/-4=4
x=-16

17. 168

18. 16-20-(-8)-9
-4-(-8)-9
4-9
-5

Mathematics

Need answers as soon as possible, will give brainiest and rate 5/5. 1: solve x/-3 = -15. 45 -45 5 -5 2: find the value of -7 + 3(-12) ÷ (-3). -16 -19 -40 5 3: if f(n) = n^2 - n, then f(-4) is -20 20 12 -12 4: which equation does not have the same solution as the others? x/4 = 2 x - 9 = 17 x + 12 = 20 2x = 16 5: the solution to 2x - 5 = 27 is also a solution of which of the following equations? 3 + 5x = 58 3x - 2 = 31 2x + 3 = 35 27 - 2x = 5 6: find the value of -8 - 12 - (-20). 24 -40 16 0 7: evaluate -2x ^2y, if x = -3 and y = -1. -12 -18 18 12

Step-by-step answer

P Answered by Master

54

1. x/-3=-15
x=45

2. -7+3(-12)÷-3
-7+12
5

3. f(-4)=(-4)²-(-4)
f(-4)=16-(-4)
f(-4)=20

4. x-9=17

5. 2x+3=35

6. -8-12-(-20)
-20-(-20)
0

7. -2(-3)²(-1)
-2(9)(-1)
-18(-1)
18

8. x-(-2)

9. subtract 7 then divide by -2

10. 6+(-18)+(-13)+9
-12-4
-16

11. 5x=11

12. division property

13. -3³ = -27

14. x/2-3=7
x/2=10
x=20

15. 2x-5=15

16. x/-4-(-8)=12
x/-4=4
x=-16

17. 168

18. 16-20-(-8)-9
-4-(-8)-9
4-9
-5

Mathematics

Can anyone with my algebra homework? 1. simplify -23.9a + 46.8 + 42.6a - 26b - 18.7a a) 52a - 26b + r6.8 b) -26b + 46.8 c) -18.7a - 26b + 46.8 d) 23.9a - 26b + 46.8 2) simplify -10 + 3r + 2r^2 - r a) r^2 - 10 - 2r b) 2r^2 + 2r - 10 c) 2r^2 - 2r - 10 d) r^2 -10 + r 3) simplify -2b + 7 - 2a +5b -6a a) -8a + 3b +7 b) 8a - 3b + 7 c) -4a + 7b + 7 d) 4a - 3b + 7 4) simplify 24 - 4 (5y -6z) + 3y -7z a) -23y + 31z + 24 b) -17y - 31z + 24 c) 23y + 17z + 24 d)-17y + 17z + 24 5) simplify 14.2 + 6.5 (p + 3q) - 4.05q a) 6.5p - 15.45q + 14.2 b) 6.5 + 23.55q

Step-by-step answer

P Answered by Specialist

9

1.) B
2.) B
3.) A
4.) D
5.) C
6.) dont know what to simplify

Mathematics

Can anyone with my algebra homework? 1. simplify -23.9a + 46.8 + 42.6a - 26b - 18.7a a) 52a - 26b + r6.8 b) -26b + 46.8 c) -18.7a - 26b + 46.8 d) 23.9a - 26b + 46.8 2) simplify -10 + 3r + 2r^2 - r a) r^2 - 10 - 2r b) 2r^2 + 2r - 10 c) 2r^2 - 2r - 10 d) r^2 -10 + r 3) simplify -2b + 7 - 2a +5b -6a a) -8a + 3b +7 b) 8a - 3b + 7 c) -4a + 7b + 7 d) 4a - 3b + 7 4) simplify 24 - 4 (5y -6z) + 3y -7z a) -23y + 31z + 24 b) -17y - 31z + 24 c) 23y + 17z + 24 d)-17y + 17z + 24 5) simplify 14.2 + 6.5 (p + 3q) - 4.05q a) 6.5p - 15.45q + 14.2 b) 6.5 + 23.55q

Step-by-step answer

P Answered by Master

9

1.) B
2.) B
3.) A
4.) D
5.) C
6.) dont know what to simplify