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3 years ago

What's two subtraction equations to show how to find 15-7

Mathematics

1 answer:

statuscvo [17]3 years ago

8 0

7 less than 15

The difference between 15 and 7

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1) Marcos deseja comprar uma guitarra. Seu amigo possui um e quer vender a vista por R$850,00. Caso Marcos prefira, pode parcela

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3 years ago

The monthly budget for the front of the house is $9,000. You spent 6% of the budget on fresh flowers. How much did you spend on

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he number of retro portable CD players you are prepared to supply to a retail outlet every week is given by the formula q = 0.1p

AlladinOne [14]

Answer:

Supply will decrease at the rate of 29 CDs per week.

Step-by-step explanation:

The number of retro portable CD players prepared to supply to a retail outlet every week is represented by the formula

q = 0.1p² + 9p

Here p = price offered

price it offers decreases at a rate of $1 per week.

In other words, $\frac{dp}{dt}=(-$1) per week$

Now we differentiate the given equation

$\frac{dq}{dt}=\frac{d}{dt}(0.1p^{2}+9p )$

$\frac{dq}{dt}=[0.1(2p)+9]\frac{dp}{dt}$

Since, $\frac{dp}{dt}=(-$1) per week$

$\frac{dq}{dt}=(-1)[0.1(2p)+9]$

For p = 100,

$\frac{dq}{dt}=(-1)[(0.1\times 200)+9]$

= (-1)[20+9]

= -29

Therefore, $\frac{dq}{dt}=(-29)$

Supply will decrease at the rate the rate of 29 CDs per week.

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3 years ago