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Marizza181 [45]
3 years ago
6

Nadia's bookshelf contains 10 fiction books, two reference books, and five nonfiction books.

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
3 0

Answer:

10/289

Step-by-step explanation:

hope this helps

V125BC [204]3 years ago
3 0

Answer:

<em><u>C</u></em><em><u>)</u></em><em><u> </u></em><em><u>5</u></em><em><u>/</u></em><em><u>136</u></em>

Step-by-step explanation:

Finished the test and got a 100%.

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7/8x-5/8x fractional coefficients
Karolina [17]

Answer:

<em>x</em>/4

Step-by-step explanation:

7/8x-5/8x fractional coefficients = x/4

4 0
3 years ago
Read 2 more answers
A marketing firm would like to test-market the name of a new energy drink targeted at 18- to 29-year-olds via social media. A st
Anon25 [30]

Answer:

(a) The probability that a randomly selected U.S. adult uses social media is 0.35.

(b) The probability that a randomly selected U.S. adult is aged 18–29 is 0.22.

(c) The probability that a randomly selected U.S. adult is 18–29 and a user of social media is 0.198.

Step-by-step explanation:

Denote the events as follows:

<em>X</em> = an US adult who does not uses social media.

<em>Y</em> = an US adult between the ages 18 and 29.

<em>Z</em> = an US adult between the ages 30 and above.

The information provided is:

P (X) = 0.35

P (Z) = 0.78

P (Y ∪ X') = 0.672

(a)

Compute the probability that a randomly selected U.S. adult uses social media as follows:

P (US adult uses social media (<em>X'</em><em>)</em>) = 1 - P (US adult so not use social media)

                                                   =1-P(X)\\=1-0.35\\=0.65

Thus, the probability that a randomly selected U.S. adult uses social media is 0.35.

(b)

Compute the probability that a randomly selected U.S. adult is aged 18–29 as follows:

P (Adults between 18 - 29 (<em>Y</em>)) = 1 - P (Adults 30 or above)

                                            =1-P(Z)\\=1-0.78\\=0.22

Thus, the probability that a randomly selected U.S. adult is aged 18–29 is 0.22.

(c)

Compute the probability that a randomly selected U.S. adult is 18–29 and a user of social media as follows:

P (Y ∩ X') = P (Y) + P (X') - P (Y ∪ X')

                =0.22+0.65-0.672\\=0.198

Thus, the probability that a randomly selected U.S. adult is 18–29 and a user of social media is 0.198.

6 0
3 years ago
What is the unknown fraction?
vaieri [72.5K]

Answer:

38/100

Step-by-step explanation:

.................................................

3 0
2 years ago
Please help with math​
m_a_m_a [10]

Answer:

24420.5

Step-by-step explanation:

Multiply all the numbers together to get the length of the cubiod

221*8.5*13= 24420.5

Hope this helped!

5 0
3 years ago
Read 2 more answers
If 10% of my money is $15, then what is 40% of my money?
saul85 [17]

\begin{array}{ccll} \%&amount\\ \cline{1-2} 10&15\\ 40&x \end{array}\implies \cfrac{10}{40}=\cfrac{15}{x}\implies \cfrac{1}{4}=\cfrac{15}{x}\implies x=60

4 0
2 years ago
Read 2 more answers
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