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Mrac [35]
3 years ago
14

Which is the most efficient method?

Mathematics
1 answer:
marysya [2.9K]3 years ago
8 0
Hello! 

The answer to your question is A. Elimination.

Have a good day! -Wajiha
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What are some equivalent fractions for the problem :<br> 9/2 ?<br><br> Thank you for your time :)
Varvara68 [4.7K]
First, if you convert the improper fraction 9/2 to a mixed number, it will be equal to 9/2.

9/2 = 4 1/2

And if you multiply the top and bottom of a fraction with an integer number, you will have a fraction that is equal to fraction you began with.

I'll use 5 for this example.

9/2 * 5/5 = 45/10
5 0
3 years ago
A rectangular park is 150 yards on one side and 125 yards on the other.
Ket [755]
So, there is a rectangular park with longer side (length) 150 yards and shorter side (width) 125 yards.

so walking around the rectangular park once is like covering the Perimeter (p) of the rectangular park.

So, lets find the perimeter of the park.
Perimeter of rectangle = 2 ( l + w)
                                    = 2 ( 150 + 125 )
                                    = 2 * 275
                                    = 550 yards

Now, walking around the park two times is like doubling the Perimeter of the rectangle. So, when Debbie walks around the park 2 times, he covers the perimeter of the rectangular field twice.

i.e. Debbie walked 2 * Perimeter
                               = 2 * 550
                               = 1100 yards

Now, If Debbie wanted to walk 1,000,000 yards, she has to walk the  rectangular park (1,000,000 / the Perimeter of the park)
         i.e.  1,000,000 / 550
             = 1818.18 times

So, 
(a) she walks 1100 yards
(b) She have to walk 1818.18 times
4 0
3 years ago
jay spent 3/8ths of his life working for a company, if jay has been working for his current company for 15 years, how old is he
Oksana_A [137]

Answer:

40

Step-by-step explanation:

if 3/8 equals 15 that means 1/8 equals 5 because 15/3=5. now if we multiply 5 by 8 then we get 40 years

6 0
3 years ago
Read 2 more answers
What if it was for 20 months
olya-2409 [2.1K]

Answer:

dont really understand your question but 20 months is

608.334 days and 86.9049 months

6 0
2 years ago
The distribution of the number of occurrences of the letter t on the pages of a book is found to be a normal distribution with a
Leno4ka [110]
The distribution of the number of occurrences of the letter t on the pages of a book is found to be a normal distribution with a mean of 44 and a standard deviation of 18. If there are 500 pages in the book, which sentence most closely summarizes the data?

A. The letter t occurs less than 26 times on approximately 170 of these pages. 

B. The letter t occurs less than 26 times on approximately 15 of these pages. 

C. The letter t occurs more than 26 times on approximately 420 of these pages. 

D. The letter t occurs more than 26 times on approximately 80 of these pages.

.Answer: 
<span>mean = 44 </span>
<span>sd = 18 </span>
<span>that means that "26" is 1 s.d. down, or at the 16th %ile </span>


<span>so, there is a .16 chance that "t" will occur less than 26 times on any single page. </span>
<span>consequently, there is a .84 chance that it will occur more than 26 times on any single page. </span>

<span>Using that information, and knowing that 16% of 500 is 80, and 84% of 500 is 420, can you see where "C" is correct? </span>
4 0
3 years ago
Read 2 more answers
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