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Luba_88 [7]
3 years ago
5

The answers and work to all please quick

Mathematics
1 answer:
galben [10]3 years ago
3 0
1.) 12s= 60
Divide 12 on both sides
Final Answer: s= 5 

2.) 7y= 42
Divide 7 on both sides
Final Answer: y= 6

3.) x/9=72
Multiply 9 on both sides
Final Answer: x= 648

4.) -5j=30
Divide -5 on both sides
Final Answer: j= -6

5.) n/20=1
Multiply both sides by 20
Final Answer: n= 20

6.) 15=n/5
Multiply 5 on both sides
Final Answer: 75 =n

7.) 100=25u
Divide 25 on both sides
Final Answer: 4 =u

8.) -36= -6p
Divide -6 on both sides
Final Answer: 6 =p

9.) -10=t/13
Multiply 13 on both sides
Final Answer: -103 =t
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WILL MARK BRAINLIEST
Anit [1.1K]

Answer:

x = 20

Step-by-step explanation:

50 - 38 = 12

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400 = x^2

x = \sqrt{400}

x = 20

8 0
3 years ago
Read 2 more answers
Explain how you would graph: n ≥ -8
vodomira [7]

Answer:

(attached file #2)

Step-by-step explanation:

let's change the variable n to a variable x (it can be x and y):

x ≥ -8

go to the X-axis which is the line going horizontal, just as the first picture attached!

2. Now go to the -8 on that line and draw a straight bold line going up (vertical)

and there you have the answer to the question.

if the question was with this symbol: < or > then the line would be dashed instead of being a bold solid straight line!

Hope this helps,

Lucas

5 0
2 years ago
What equation is represented by the equation on the graph? A. y = - x – 2 B. y = - x – 2 C. y = - x + 2 D. y = - x + 2
kondaur [170]

Answer:

c

Step-by-step explanation:

4 0
3 years ago
What is the gcf of 9-27x^3?
KiRa [710]

Answer:

The factors of 3 are: 1, 3

The factors of 9 are: 1, 3, 9

The factors of 27 are: 1, 3, 9, 27

Then the greatest common factor is 3.

Step-by-step explanation:

8 0
2 years ago
Find the error and explain what there is incorrectly. Then, solve the problem correctly.
frez [133]
The problem is that 7^2 is 7*7, and the same for 8^2. The right answer is the square root of 15, or 3.87
3 0
3 years ago
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