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3 years ago

I need help....

Mathematics

1 answer:

vredina [299]3 years ago

7 0

Its okay bro, we all failed

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Round 3.047 to the nearest hundredth

navik [9.2K]

3.05, but if you need sig figs, you should check that

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3 years ago

Y-3= 5(x - 2)<br><br> NEED HELP

DerKrebs [107]

Answer:

Y = 5x -7

Step-by-step explanation:

That is written in slope intercept form, which I'm assuming is what you need. If not comment on my answer.

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3 years ago

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3(x+2)^2+7 in standard form

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Step-by-step explanation:

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3 years ago

How do you change 5.5 into a fraction?

Scrat [10]

5.5 in fraction is 5 1/2

hope that helps :)

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4 years ago

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The price of a computer component is decreasing at a rate of 15% per year. State whether this decrease is linear or exponential

Margaret [11]

Answer:

Since the price is given by an exponential function, the decline in price is exponential.

The component will cost $36.8475 in three years.

Step-by-step explanation:

The equation for the price of a component has the following format:

$P(t) = P(0)(1-r)^{t}$

In which P(t) is the price after t years, P(0) is the initial price, and r is the rate that the price decreases.

Since the price is given by an exponential function, the decline in price is exponential.

The price of a computer component is decreasing at a rate of 15% per year.

This means that $r = 0.15$

Component costs $60 today

So P(0) = 60. Then

$P(t) = P(0)(1-r)^{t}$

$P(t) = 60(1-0.15)^{t}$

$P(t) = 60(0.85)^{t}$

What will it cost in three years?

This is P(3).

$P(t) = 60(0.85)^{t}$

$P(3) = 60(0.85)^{3} = 36.8475$

The component will cost $36.8475 in three years.

6 0

4 years ago