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soldier1979 [14.2K]
2 years ago
8

4•n-7=29

Mathematics
2 answers:
olasank [31]2 years ago
8 0

Answer:

N=9

Step-by-step explanation:

4n - 7 =29

    +7   +7

4n = 36

n= 9

3241004551 [841]2 years ago
6 0
N=36

36-7=29

expiation: i got this answer by adding 29+7 to get 36. which is also a way you can check your answer!
i hope this helps! have a wonderful day! :)
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If 2m = 4x and 2w = 8x, what is m in terms of w?
Mariana [72]
2^m=2^n  take the natural log of both sides

m*ln2=n*ln2  divide both sides by ln2

m=n
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3 years ago
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A hat is originally priced at $28 is on sale for $15% off. What is the total cost of the hat if the tax is 6.75%?
vampirchik [111]
You do 28, which is the original cost, then you take that 15% off to do that you multiply 28×.15 and you get 4.2 and subtract that from original cost and you get 23.8 then to get the cost after tax you do 23.8×.0675 and you get 1.6 then you add that to 23.8 and get 25.4 dollars
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3 years ago
On a coordinate grid, AB has an end point B at (24, 16). The midpoint of AB is P(4, -3). What is the y-coordinate of Point A?
inysia [295]

The y-coordinate of point A is -22

Step-by-step explanation:

Given

B = (24,16)

P = (4,-3)

The formula for mid-point of AB will be given by:

P = (\frac{x_A+x_B}{2} , \frac{y_A+y_B}{2})

As we already know the y-coordinate of midpoint

We can put the formula's y coordinate equal to the given value

\frac{y_A+y_B}{2} = -3\\\frac{y_A + 16}{2 } = -3\\y_A+16 = -3 * 2\\y_A +16 = -6\\y_A = -6-16\\y_A = -22

Hence,

The y-coordinate of point A is -22

Keywords: Mid-point, coordinate geometry

Learn more about coordinate geometry at:

  • brainly.com/question/5565320
  • brainly.com/question/5720422

#LearnwithBrainly

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2 years ago
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Thepotemich [5.8K]

Answer:

I'm not 100% sure but I think it's $6.20

Step-by-step explanation:

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(I'm rlly bad at explaining things so sorry if this wasnt clear enough. Also I'm not the best at math but I guess I know percentages.)

8 0
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Answer:

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Step-by-step explanation:

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