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satela [25.4K]
3 years ago
12

A web site was hit 300 times over a period of 15 days Show that over some period of 3 consecutive days, it was hit at least 60 t

imes.
Mathematics
1 answer:
marshall27 [118]3 years ago
6 0

Answer:

We will divide the 15 days in five periods of 3 consecutive days each.

Now to solve this we will use the pigeonhole principle.

This states that if (N+1) pigeons occupy N holes, then some hole must have at least 2 pigeons.

So, we have n=300 pigeons  and k=5 holes.

[\frac{n}{k} ]=[\frac{300}{5} ]

Hence, there is a period of 3 consecutive days in which the website was hit at least 60 times.

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The Environmental Club at a school has decided to plant bulbs, bushes, and trees in the spring. Each hallway has a flatbed for d
expeople1 [14]

Answer:

Step-by-step explanation:

Given:

Hallway A:

1/10 bulbs

2/10 small bushes

7/10 tree seedlings

Hallway B:

2/10 bulbs

1/10 small bushes

7/10 tree seedlings.

Total flatbed of tree seedlings = flatbed of tree seedlings in hallway A + flatbed of tree seedlings in hallway B

= 7/10 + 7/10

= 14/10

= 1 × 2/5 flatbed of tree seedlings

3 0
3 years ago
I know this is the math section, but does anyone here take psychology?? if you do i really need some help please..
drek231 [11]
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6 0
3 years ago
The depth of a lake is 15.8m
Leya [2.2K]

a. Jada got the measurement 16m.

b. The measured depth differ 0.2m from the actual depth.

c. There is a 12.66% error in calculation.

Step-by-step explanation:

Given,

The depth of lake = 15.8 m

a. Jada accurately measured the depth of the lake to the nearest meter. What measurement did Jada get

When a digit after the decimal point is 5 or more than that, the number before decimal is rounded to the next number.

Therefore,

15.8 rounded to nearest number is 16.

The depth of lake measured by Jada = 16 m

Jada got the measurement 16m.

b. By how many meters does the measured depth differ from the actual depth?

Difference = Approx - Exact

Difference = 16 - 15.8 = 0.2m

The measured depth differ 0.2m from the actual depth.

c. Express the measurement error ad a percentage of the actual depth.

Percent error = \frac{|approx-exact|}{exact}*100

Percent error = \frac{|2|}{15.8}*100 = \frac{200}{15.8}

Percent error = 12.66%

There is a 12.66% error in calculation.

Keywords: percent, error

Learn more about percent at:

  • brainly.com/question/9323337
  • brainly.com/question/9103248

#LearnwithBrainly

4 0
2 years ago
Nathan is going to invest in an account paying an interest rate of 4.8% compounded continuously. How much would Nathan need to i
Elena-2011 [213]

Answer:

you would just 4.8 x how many years

Step-by-step explanation:

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3 years ago
Round 3.468 to tenth
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Answer: 3.5


Step-by-step explanation:


5 0
2 years ago
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