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Rainbow [258]
3 years ago
15

The cost of oranges in a grocery store is directly proportional to the number of oranges purchased. Jerri payed $2.52 for 6 oran

ges. If p represents the cost, in dollars,and n represents the number of oranges purchased, which equation best represents this relationship? A.) P=0.42n B.)p=2.52n C.)p=6n D.)p=15.12n
Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0

Answer: option A is the correct answer.

Step-by-step explanation:

The cost of oranges in a grocery store is directly proportional to the number of oranges purchased. Jerri paid $2.52 for 6 oranges.

If p represents the cost, in dollars,and n represents the number of oranges purchased, then introducing a proportionality constant, k, the equation becomes

p = kn

2.52 = k × 6

k = 2.52/6 = 0.42

Therefore, the equation representing the relationship is

p = 0.42n

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3 years ago
The​ x-value(s) for which ​f(x)​g(x) ​is/are ___
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9514 1404 393

Answer:

  x = -1, 1, 9

Step-by-step explanation:

You want x such that f(x) = g(x). Subtracting g(x) from both sides of this equation lets us rewrite it as ...

  f(x) -g(x) = 0

  x³ -9x² -(x -9) = 0

  x²(x -9) -1(x -9) = 0 . . . factor the first pair of terms

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Values of x that make these factors zero will make f(x) = g(x):

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7 0
3 years ago
Find the value of x using the polygon above.
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Answer:

x=5

Step-by-step explanation:

The sum of the interior angles of a polygon is found by

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The sum of the angles is 720

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Combine like terms

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8 0
3 years ago
Read 2 more answers
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i.e. the sequence prize willbe : $20 , 2 x ($20) , 2² x ($20)x ....

That is its is an geometric progression with the common ratio r= 2,

Since the sum of n terms in GP is given by :-

S_n=\dfrac{a(r^n-1)}{r-1}, \text{ when }r>1

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Hence, the total money it will hand out in prizes = $5100

8 0
3 years ago
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