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Fofino [41]
3 years ago
13

Is 21.28 a rational number?

Mathematics
1 answer:
S_A_V [24]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

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If the probability that your DVD player breaks down before the extended warranty expires is 0.034, what is the probability that
schepotkina [342]

Answer:

0.966

Step-by-step explanation:

Given that:

Probability of DVD player breaking down before the warranty expires = 0.034

To find:

The probability that the player will not break down before the warranty expires = ?

Solution:

Here, The two events are:

1. The DVD player breaks down before the warranty gets expired.

2. The DVD player breaks down after the warranty gets expired

In other words, the 2nd event can be stated as:

The DVD does not break down before the warranty gets expired.

The two events here, have nothing in common i.e. they are mutually exclusive events.

So, Sum of their probabilities will be equal to 1.

\bold{P(E_1)+P(E_2)=1}\\\Rightarrow 0.034+P(E_2)=1\\\Rightarrow P(E_2)=1-0.034\\\Rightarrow P(E_2)=\bold{0.966}

7 0
3 years ago
Alan sells custom made kites online. He makes a flat profit of $20 per kite, but he pays $20 per day for his website. Write an i
Strike441 [17]
20x+20y=900
I hope that helps. You'll have to isolate each variable. X= kite, y=website.
3 0
3 years ago
Read 2 more answers
Please help me guys I beg you I will give you lots of credit plz
IRINA_888 [86]

Answer:

11m/min

Step-by-step explanation:

slope of the line = velocity of the turtle

slope = y/x

= 55/5

=11

4 0
3 years ago
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Analyze and sketch the graph of
Liono4ka [1.6K]

Answer:

Step-by-step explanation:

Please find the attached excel file.

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5 0
4 years ago
Savannah loves to talk on her cell phone . she has $100 in her budget to pay this month's cell phone bill. her cell phone plan i
Serhud [2]

Answer:

200 minutes

Step-by-step explanation:

$20/$0.10=200

3 0
4 years ago
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