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Leni [432]
3 years ago
10

What is the value of StartFraction 6 Over x EndFraction + 2x2, when x = 3?

Mathematics
2 answers:
malfutka [58]3 years ago
8 0

Answer:

D.

Step-by-step explanation:

Shalnov [3]3 years ago
4 0
<h2>The value of StartFraction 6 Over x EndFraction + 2x2, when x = 3 is 20.</h2>

Explanation:

The given expression is \frac{6}{x}+2x^2\\

When x = 3, the expression becomes \frac{6}{3}+2(3)^2

2+2\times9

= 2 + 18 = 20

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Your company offers warranty coverage for MP3 players. The policy provides for the replacement of MP3 players that fail within 3
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Answer:

181 MP3 players

Step-by-step explanation:

Given data:

Replacement of MP3 that fail within 3 years

expected lifetime of MP3 = 5 years

number of MP3 players purchased = 1000

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To determine the number of MP3 replaced in the first year we will employ this formula:

E(To) = \frac{1}{u} = e_{x} ^{0} =\int\limits^a_0 {po} \, dt

a = ∞

since the given problem is an exponential distribution

1/u = 5 hence u = 0.2

next we will determine the number of MP3's to fail in its first year of purchase

qo = failure

po = success

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attached below is the remaining part of the solution

7 0
3 years ago
The radius of a circle is 2.5 cm. Find the circumference
Burka [1]

circumference of circle: 2πr              ("r" is the radius)

==========

  • 2πr    
  • 2π(2.5)
  • 5π
  • 15.7 cm
6 0
2 years ago
Read 2 more answers
Find f(x) if it is known that f(x−2)=2−x.
arlik [135]

\bf f(x-2)=2-x\impliedby \textit{now, let's set the value for }x=x+2 \\\\\\ f\left(\boxed{x+2}-2 \right)=2-\boxed{x+2}\implies f(x)=4-x

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3 years ago
What will the answer be w=235-2.5t=
DENIUS [597]

Answer:-2.5

Step-by-step explanation:

5 0
3 years ago
-0.25 (12y + 4) which expression is equivalent to this expression?
kari74 [83]
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