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ziro4ka [17]
3 years ago
11

Solve for X X/2+ 7=9 Show your steps and explain why you did them.

Mathematics
2 answers:
Sophie [7]3 years ago
7 0

Answer:

Step-by-step explanation:

Solve for  X

by simplifying both sides of the equation, then isolating the variable.

X = 4 x 2 +7=9

Step 1: Simplify both sides of the equation.

1 2 x+7=9

Step 2: Subtract 7 from both sides.

1 2 x+7−7=9−7

1/2 x=2

Step 3: Multiply both sides by 2.

2*( 1 2 x)=(2)*(2)

x=4

Answer:  4

Gre4nikov [31]3 years ago
6 0

Answer:

X = 4

Step-by-step explanation:

X/2+ 7=9

X/2 = 9-7

X/2 = 2

X = 4

hope it helps!

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A professor wants to award prizes for 1st, 2nd, 3rd, 4th and 5th in the class of 30. In how many ways can the prizes be awarded
aniked [119]

Answer:

Selection =  17100720\ ways

Step-by-step explanation:

Given

Students = 30

Positions = 5 i.e. first to fifth

Required

Determine number of selection

1st position = Any of the 30 students

2nd position = Any of the 29 students

3rd position = Any of the 28 students

4th position = Any of the 27 students

5th position = Any of the 26 students

Number of selection is then calculated as:

Selection =  30 * 29 * 28 * 27 * 26

Selection =  17100720\ ways

8 0
3 years ago
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Klio2033 [76]

Answer:

Look bucko this story will help u, make sure to read it all!

Step-by-step explanation:

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lol bad

5 0
3 years ago
Simplify (-7b2)(-2b3)
Ivanshal [37]

Answer: 145

Step-by-step explanation:

(−72)(−23)

−72(−23)

1423

6 0
3 years ago
Multiply 17 minutes 19 second by 11
AlexFokin [52]
It would be 190 minutes, and around 48 seconds.
5 0
4 years ago
Read 2 more answers
Plz help plz plz plz pzl
marshall27 [118]

Answer:

1. -3 = -8, 0 = 1, 2 = 7

Step-by-step explanation:

1. Plug in the x values for x in the equation and graph the coordinates (examples; (-3, -8))

2. do the same thing as #1

example; y = -(-3) - 2

3. Plug in 2 into the equation, giving you your y value, and plug the coordinates in

4. you can make up the x coordinates, I would do -1, 0, 1, and 2. and just plug those in for the x in the equation and graph.

5. Follow the same steps as the last problems but just connect the points

6. Same steps as the other problems, just pick some points and plug them into the equation.

I hope this helps

5 0
3 years ago
Read 2 more answers
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