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vivado [14]
2 years ago
5

PLEASE HELP: It takes one examiner 44 hours to mark 100 exam papers.

Mathematics
1 answer:
Sidana [21]2 years ago
6 0

Answer:

4 hours

Step-by-step explanation:

100/44=exams per hour for one examiner

11 =100/4=exams per hour for 11 examiners

100/(100/4)=4 hours

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The graph of a function f(x) passes through the following points: (0,0), (1, -2), (2,0) Which of the following could be f(x)?
Sveta_85 [38]

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f(x)= 2x^2-4x

Step-by-step explanation:

3 0
2 years ago
The pendulum swings at an arc of 30 cm and its successive swings reduced to 10% of the previous swings. What is the total distan
OleMash [197]

Answer:

S_g=  33.333cm

Step-by-step explanation:

From the question we are told that

Arc of 30 cm

10% reduction after each swing

Generally sum of geometric sequence is given by the equation

    S_g=\frac{a(1-r^n)}{1-r}

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3 0
3 years ago
1 Katherine can run the perimeter of Kiker Park in
Vlad1618 [11]

The according to the perimeter, Parker takes 5 second longer than the Marin to run the perimeter.

According to the statement

We have to find that the comparison of the running time of the parker.

So, For this purpose, we know that the

Perimeter is the distance around the edge of a shape.

From the given information:

Katherine can run the perimeter of Kiker Park in 5.0 minutes and It takes Marin 1.45 minutes longer.

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Then from the statement it is clear that the

Time taken by Katherine = 5.0 minutes

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from the timing we can say that the Marin's running time to Parker's running time is compared and the Parker takes 5 seconds more than the Marin.

So, The according to the perimeter, Parker takes 5 second longer than the Marin to run the perimeter.

Learn more about Perimeter here

brainly.com/question/19819849

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5 0
1 year ago
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Nata [24]

Step-by-step explanation:

B. 426 people per square. mile

5 0
2 years ago
Question 11 plz, really need help
madam [21]

Answer:

ummm hold on im trying to figure it out sorry might take long  

7 0
2 years ago
Read 2 more answers
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