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4 years ago

Solve by factoring x3 + 8x2 + 5x − 14 = 0.

Mathematics

2 answers:

QveST [7]4 years ago

5 0

Is it x^3+8x^2+5x-14?

stiv31 [10]4 years ago

5 0

X3+16+5x-14=0
8x+2=0
8x=-2
x= -2/8
x= -.25

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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

3 years ago

X / 12 equals 27 / 33

Alexxandr [17]

What is your question?

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3 years ago

Evaluate (4/25) 1/2<br><br> A 4/5<br><br> B 4/25<br><br> C2/5<br><br> D2/25

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D. 2/25

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3 years ago

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Vikki [24]

Considering that each student has only one birthday, each input will be related to only one output, hence this relation is a function.

<h3>When does a relation represent a function?</h3>

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For this problem, we have that:

The input is the student's name.

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More can be learned about relations and functions at brainly.com/question/12463448

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