Four students all took a different approach to solve the equation below. 3 students did something correctly, but one student made a mathematical error. Choose the student who made a mistake. -9+3(4x-5)=21 A)Jesus: Divide everything by 3 B)Kim: Add 5 to both sides C)David: Add 9 to both sides D) Sonja: Distribute the 3

x=

2(3)

−−4±

(−4)

2

−4(3)(−2)

x=

6

4±

16+24

x=

6

4±

40

x=

6

4±2

10

x=

6

4

±

6

2

10

Step-by-step explanation:

x=

2(3)

−−4±

(−4)

2

−4(3)(−2)

x=

6

4±

16+24

x=

6

4±

40

x=

6

4±2

10

x=

6

4

±

6

2

10

x=

3

2

±

3

10

x=

3

2±

10

spinning a 1, 2, or 3. option d.

step-by-step explanation: when spinning a number graph up to 4, and aiming for any number less than 3, that automatically eliminates the number 4. now you have two numbers to spin on that are less than 3, but the number 3 is included in this question because it's no greater of an number than itself. i hope this you : )

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation: