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Setler79 [48]
3 years ago
13

carey is trying to decide between two guitars. the first had an original price of $160, but is on sale for $100. the second had

an original price of $250, but is on sale for $150. which guitar has a greater percent change in price?
Mathematics
2 answers:
MrMuchimi3 years ago
4 0
To determine the percent change in price, solve for the differences between the original prices and the sale prices. Then, divide the difference by the original price and multiply by 100%.

Guitar 1:       (($160 - $100) / $160) x 100% = 37.5%
Guitar 2:       (($250 - $150) / $250) x 100% = 40%

Thus, guitar 2 has a greater percent change in price.
Artemon [7]3 years ago
4 0

Answer:

The second guitar has a greater percent change of approximately 40%.

Step-by-step explanation:

Hope this helps

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A parabola has a vertex at (4, 0) and passes through the point (6, 1). Which of the following is the equation of this parabola i
Doss [256]
Easy

y=a(x-h)^2+k
vertex is (h,k)
we know that vertex is (4,0)
input that point for (h,k)
y=a(x-4)^2+0
y=a(x-4)^2
passes thorugh the point (6,1)
input that point to find a
1=a(6-4)^2
1=a(2)^2
1=a(4)
divide both sides by 4
1/4=a

thefor the equation is
y=(1/4)(x-4)^2
or
y=(1/4)x^2-2x+4
7 0
3 years ago
40 points! Brainliest for most helpful answer!
telo118 [61]

Answer:

the answer is in the image if you have any questions let me know

Step-by-step explanation:

5 0
3 years ago
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How many 3 letter codes are possible using a-j without repeats?
Dennis_Churaev [7]
There are 10 letters in the set {a, b, c, d, e, f, g, h, i, j} which is the pool of letters to choose from when making these three letter codes.

We have 10 choices for slot 1
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Then 8 choices for slot 3

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polet [3.4K]

Answer:

76776 is the answer

Step-by-step explanation:

have a nice day mate

7 0
2 years ago
4.
rusak2 [61]

Answer:

  • recursive: a[1] = 7440; a[n+1] = a[n] -120
  • explicit: a[n] = 7440 -120(n -1)

Step-by-step explanation:

The sequence of amounts in Jackson's account will be ...

  7440, 7320, 7200, ...

with a first value (a1) of 7440 and a common difference (d) of -120.

The recursive formula for an arithmetic sequence is ...

  a[1] = a1

  a[n+1] = a[n] +d

For our sequence, the recursive formula is ...

  a[1] = 7440

  a[n+1] = a[n] -120

__

The explicit formula for an arithmetic sequence is ...

  an = a1 +d(n -1)

For our sequence, the explicit formula is ...

  a[n] = 7440 -120(n -1)

5 0
3 years ago
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