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Bezzdna [24]
3 years ago
13

Answer them all get more points

Mathematics
2 answers:
Ne4ueva [31]3 years ago
3 0
The numbre is -49
Sow u can get it correct
stira [4]3 years ago
3 0

12.)

x = total number of students

9 leave, which means x - 9

After the nine leave, there are 11 left, which means x - 9 = 11

Solve accordingly, add nine on both sides of the equation to isolate the variable.

x = 20

13.)

Product = multiplication problem, so w * 7 = 42

Solve accordingly, divide both sides of the equation by 7 to isolate the variable. w = 6.

To check your answer, all you have to do is plug in the value you found, if the equation is true, then your answer is correct!

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What single decimal multiplier would you use to increase by 18% followed by a<br> 12% decrease?
ValentinkaMS [17]

Answer:

The single decimal multiplier used to increase by 18% followed by a  12% decrease is 0.21.

Step-by-step explanation:

Let 'x' be the number

As first the number has to be increased by 18%

so

Step 1: write the percentage '18%' in decimal form

18% = 0.18    

Step 2: For percentage increases: add the decimal to 1

1 + 0.18 = 1.18    

Step 3: Multiply the number x by the multiplier, found in Step 2

x × 1.18 = 1.18x

<u><em>NEXT WE HAVE TO DECREASE 1.18x by 12%</em></u>

Apply the same method but with a number 1.18x

  • Write the percentage '12%' in decimal form

12% = 0.12

  • For percentage decreases: subtract the decimal to 1

1 - 0.18 = 0.18

  • Multiply the number 1.18x by the multiplier, found in Previous step

1.18x × 0.18 = 0.21x

Therefore, the single decimal multiplier used to increase by 18% followed by a  12% decrease is 0.21.

7 0
3 years ago
Emma has 7 bottles: 3 bottles that contain juice, 2 bottles
UNO [17]

Answer: Out of 7 bottles, 2 bottles contain soda. This means that 2 bottles= 29% out of 100%. 7/2 (7 divided by 2) = 0.285. 0.285 can be rounded up to 0.29, meaning that the approximate percentage of the bottles that contain soda is 29%.

4 0
4 years ago
What is an equation in pointelope form for the line that passes through the points (4. – 1) and (-3,0)
bulgar [2K]

Answer:

1/3

Step-by-step explanation:

2nd one

5 0
3 years ago
What does h-13=184 equal
34kurt

Answer:

h = 197

Step-by-step explanation:

add 14 to each side, and h = 197

5 0
3 years ago
Can someone help me for once ?​
hichkok12 [17]

Answer:

The answer is A)-4,6

Step-by-step explanation:

sorry if wrong

hope this helps

plz give brainliest

6 0
3 years ago
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