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Luba_88 [7]
3 years ago
11

Insert 2 sets of parentheses to make each sentence true: 2 x 14 – 9 – 17 – 14 = 7

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
3 0

Answer:

- 12

Step-by-step explanation:

2x14= 28

28-9=19

19-17=2

2- -14= - 12

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Andreyy89
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Step-by-step explanation:
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I = interest paid.
From the given information,
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3 years ago
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3 years ago
If x^3=64, what is the value of x?
pickupchik [31]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Use PMT equals StartFraction Upper P (StartFraction r Over n EndFraction )Over [1 minus (1 plus StartFraction r Over n EndFracti
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Answer:

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8 0
3 years ago
The manufacturer of a CD player has found that the revenue R​ (in dollars) is Upper R (p )equals negative 5 p squared plus 1 com
AleksAgata [21]

Answer:

The maximum revenue is $1,20,125 that occurs when the unit price is $155.

Step-by-step explanation:

The revenue function is given as:

R(p) = -5p^2 + 1550p

where p is unit price in dollars.

First, we differentiate R(p) with respect to p, to get,

\dfrac{d(R(p))}{dp} = \dfrac{d(-5p^2 + 1550p)}{dp} = -10p + 1550

Equating the first derivative to zero, we get,

\dfrac{d(R(p))}{dp} = 0\\\\-10p + 1550 = 0\\\\p = \dfrac{-1550}{-10} = 155

Again differentiation R(p), with respect to p, we get,

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\dfrac{d^2(R(p))}{dp^2} < 0

Thus by double derivative test, maxima occurs at p = 155 for R(p).

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Thus, maximum revenue is $120125 that occurs when the unit price is $155.

6 0
3 years ago
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