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4vir4ik [10]
3 years ago
10

Question 4 (Multiple Choice Worth 1 points)

Mathematics
2 answers:
shutvik [7]3 years ago
6 0
The right answer for the question that is being asked and shown above is that: "d.8 open parentheses x plus 4 close parentheses over quantity x minus 6" The simplified that completely quantity 8 x minus 56 over quantity x squared minus 49 divided by quantity x minus 6 over quantity x squared plus 11 x plus 28 is that <span>8 open parentheses x plus 4 close parentheses over quantity x minus 6</span>
Zepler [3.9K]3 years ago
6 0
Translating the worded problem into mathematical form, the following expression was obtained: ( 8x - 56 / x^2 - 49 ) / (x - 6 / x^2 + 11x + 28)

Simplifying:

( 8x - 56 / x^2 - 49 ) ( <span>x^2 + 11x + 28 / x - 6</span>)

Factoring out:

( 8(x-7) / (x+7)(x-7) ) ( (x+7)(x+4) / x - 6 )

Cancelling out (x-7) and (x+7):

8(x+4) / (x-6)

Therefore, the correct answer is D.
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The table shows how many books the students in Bergdalsskolan list during the summer. There were 48 students who list 4 books. a
Juliette [100K]

Step 1:

First, find the total number of students.

Let the total number of students = m

Step 2:

Find the total number of students using the percentage of 4 books.

48 students listed 4 books with a percentage of 16%

\begin{gathered} 48\text{ = 16\% of m} \\ 48\text{ = }\frac{16}{100}\text{   }\times\text{  m} \\ 48\text{ = }\frac{16m}{100} \\ \text{Cross multiply} \\ 16m\text{ = 48  }\times\text{  100} \\ 16m\text{ = 4800} \\ \text{m = }\frac{4800}{16} \\ \text{m = 300} \end{gathered}

Hence, there are 300 students.

a)

\begin{gathered} \text{Number of students that had 1 book = 24\% of 300} \\ =\text{ }\frac{24}{100}\text{  }\times\text{  300} \\ =\text{ }\frac{7200}{100} \\ =\text{ 72  students} \end{gathered}

72 students had 1 book.

b) What percentage more read 2 books than 4 books?

percentage that read 2 books = 36%

percentage that read 4 books = 16%

36 - 16 = 20%

There are 20% students that read 2 books than 4 books.

8 0
1 year ago
A company that makes​ hair-care products had 8,000 people try a new shampoo. Of the 8,000 ​people, 32 had a mild allergic reacti
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Answer:

i think it 0.4%

Step-by-step explanation:

7 0
3 years ago
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The answer is -22. :P

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3 years ago
Read 2 more answers
I will give Brainliest!!!
mixer [17]

Answer: C

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x + 6 = 2\sqrt{y+2}

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2 years ago
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