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Vladimir79 [104]
3 years ago
15

Devaunte goes to Barnes and Noble to buy a book that is originally $14.50. Devaunte was trying to save money, so he made sure to

bring a coupon that gives him 20% off of his book.
Mathematics
2 answers:
adoni [48]3 years ago
7 0

the answer I think is he saved $2.9

slavikrds [6]3 years ago
3 0

Answer:

$2.9

Step-by-step explanation:

The Expression is:

14.5 − 0.8(14.5)

The Answer is:

$2.9

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A prize wheel is divided into 12 equally likely spaces labeled 1 to 12.
ikadub [295]

Answer:

Events E and F are independent.

Step-by-step explanation:

E = {multiple of 3}  = {3, 6, 9, 12}

P(E) = 4/12

F = {even number}  = {2, 4, 6, 8. 10, 12}

P(F) = 6/12

E and F = {even and multiple of 3} = {6, 12}

P(E∩F) = 2/12

In order for two events to be independent the following relationship must be true:

P(E)*P(F) = P(E\cap F)

Testing this property:

P(E)*P(F) = \frac{4}{12}*\frac{6}{12}=\frac{24}{144}=\frac{1}{6}    \\P(E\cap F) = \frac{2}{12}=\frac{1}{6} \\P(E)*P(F) = P(E\cap F)

The relationship holds true, thus events E and F are independent.

4 0
3 years ago
Give an example of a real number that is irrantional
dsp73

First let's see what does irrational mean.

An irrational number is any number that cannot be written as a fraction of whole numbers. The number pi and square roots of non-perfect squares are examples of irrational numbers. ... , however, is not a perfect square, and its square root, therefore, is irrational.

<h2>Now, the answer to your question. </h2>

√2 is an irrational number since it cannot be written as a ratio of two integers.

look at the picture below to see why√2 is an irrational number

<u />

Please mark me brainliest if this helped.

4 0
3 years ago
An item on sale cost 95% of the original price. The original price was $51.
hichkok12 [17]
The answer would be $48.45
3 0
3 years ago
Read 2 more answers
Help me with my aleks its due June 30th
Alex

Answer:

5 divided by 2 = 2.5         2.5 is the answer because you split the bigger number in half and in order to do that you need to divide by 2.

Step-by-step explanation:

                                   Hope this helps you!!!!!!!!!! :) :) :) :) :)

                                   SORRY IF IT'S WRONG!!!!! :) :) :) :) :)

6 0
3 years ago
Read 2 more answers
(Y^4 - 1)/(y + 1) long division
dmitriy555 [2]
I think this is what you mean

8 0
3 years ago
Read 2 more answers
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