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Dafna11 [192]
2 years ago
10

Maria has already written Two-fifths of her 1,000 word essay. If she continues writing at the same pace of 6One-half words per m

inute, which expression shows the amount of time it will take her to write the rest of the essay?
1000 times two-fifths times StartFraction 13 Over 2 EndFraction
1000 times two-fifths divided by StartFraction 13 Over 2 EndFraction
1000 times three-fifths times StartFraction 13 Over 2 EndFraction
1000 times three-fifths divided by StartFraction 13 Over 2 EndFraction
Mathematics
1 answer:
Molodets [167]2 years ago
4 0

Answer:in

745436

Step-by-step explanation:

Maria has already written Two-fifths of her 1,000 word essay. If she continues writing at the same pace of 6One-half words per minute, which expression shows the amount of time it will take her to write the rest of the essay?

1000 times two-fifths times StartFraction 13 Over 2 EndFraction

1000 times two-fifths

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100 random samples were taken from a large population. A particular numerical characteristic of sampled items was measured. The
Marta_Voda [28]

Answer:

The median is Median  =  0.903

Step-by-step explanation:

From the question we are told that  

   The sample size is n =  100

   The  1^{st} \to 45^{th} measurements is  =  0.859 \to   0.900

    Generally since that after 0.900 we have  0.901 , then the

     46^{th} \  measurement \  is  \  0.901

in the same manner the  47^{th} \  measurement \  is  \  0.902,

Given that 0.902  was observed three times it means that

                                         47^{th},48^{th},49^{th}  \  measurement \  is  \  0.902,

Given that 0.903  was observed two times it means that

                                          50^{th},51^{th} \  measurement \  is  \  0.903,

Given that 0.903  was observed four times it means that

                                         52^{nd},53^{rd},54^{th},55^{th} \  measurement \  is  \  0.904,

Given that the highest measurement is  0.958 then then the  56^{th} \to  100^{th} \  measurement \  is  \  between \  0.905 \to 0.958

Generally the median is is mathematically represented as

            Median  =  \frac{ [\frac{n^{th}}{2}]  + [(\frac{n}{2})^{th} + 1 ]}{2}

=>        Median  =  \frac{ [\frac{100^{th}}{2}]  + [(\frac{100}{2})^{th} + 1 ]}{2}

=>        Median  =  \frac{ [50^{th}]  + [51^{th} ]}{2}

=>        Median  =  \frac{ 0.903 + 0.903}{2}

=>        Median  =  0.903

8 0
2 years ago
Which recursive formula can be used to generate the sequence below, where f(1) = 6 and n ≥ 1?
Trava [24]

f (n + 1) = f(n) – 5  is the recursive formula can be used to generate the sequence below, where f(1) = 6 and n ≥ 1

<h3><u>Solution:</u></h3>

Given that,

f(1) = 6 and n ≥ 1

Given sequence is 6, 1, -4, -9, -14

<em><u>Let us first analyse the logic used in this sequence</u></em>

6 - 5 = 1

1 - 5 = -4

-4 - 5 = -9

-9 - 5 = -14

Thus the next terms in sequence are obtained by subtracting 5 from previous term

Thus a recursive formula can be formed as:

f (n + 1) = f(n) – 5

Where "n" is the nth term

Let us check our recursive formula:

f(1+ 1) = f(1) - 5

f(2) = f(1) - 5

f(2) = 6 - 5 = 1

Thus we have got f(2) = 1 which is correct as per given sequence

4 0
2 years ago
Read 2 more answers
In complete sentences, explain whether or not it makes sense to say that the density of helium is 0.1785 kilograms per square me
lubasha [3.4K]
No it does NOT make sense to state density in kilograms per square meter.  Density has to be stated in terms of mass per unit of volume and NOT per unit of area. 
5 0
2 years ago
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Ursula Works At A Print Shop. She Uses A Printer That Can Print 12 Pages Per Minute. Yesterday She Started Printing Flyers For A
BigorU [14]

Answer:

10:30 am.

Step-by-step explanation:

We have been given that Ursula uses a printer that can print 12 pages per minute.

Ursula started printing flyer for an order yesterday. Today at 8 am she continued working on the order, and by 9 a.m. she had 420 flyers for the order completed. The order was to print 1500 pages.

Let us find the number of pages left to print.

\text{Number of the pages left to print}=1500-420

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To find the time it will take to print 1080 pages we will divide number of pages left to print by number of pages printed per minute.

\text{Time it will take to print 1080 pages}=\frac{1080\text{pages}}{\frac{\text{12 pages}}{\text{minute}}}}

\text{Time it will take to print 1080 pages}=\frac{1080\text{pages}}{12}\times \frac{\text{minute}}{\text{page}}}

\text{Time it will take to print 1080 pages}=90\text{ minutes}

90 minutes will be 1.5 hours , so 1.5 hours after 9 am will be 10:30 am. Therefore, the job was finished at 10:30 am.

8 0
2 years ago
Which expression is equivalent to 12r + 8p –34r – 2p?
ELEN [110]

Answer:

It is C -14r+6p

Step-by-step explanation:

If you want the explanation just tell me

3 0
2 years ago
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