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3 years ago

Use the graph to answer the question. About how many more website hits were there on Tuesday than on Monday?

Mathematics

2 answers:

EleoNora [17]3 years ago

8 0

1900 - 1300 = 6,000 more website hits on Tuesday.

Inessa05 [86]3 years ago

7 0

Its was more hits on Tuesday than Monday 1600-1800=200

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A square root is categorized as what kind of number?<br><br> Choices:<br> Irrational<br> Rational

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I belive its Rational number.

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3 years ago

a first class postage stamp was $0.02 in 1885. the same first class postage stamp in 2006 was $0.39. what is the percent of incr

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3 years ago

Number 123,456,789 what digit has the greatest value? what is it value

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3 years ago

Read 2 more answers

In a random sample of 500 handwritten zip code digits, 464 were read correctly by an optical character recognition (OCR) system

In-s [12.5K]

Answer:

z= 2.38

P = 0.008656

Step-by-step explanation:

Here n= 500 and p~= 464/500= 0.928 and q`= 1- 0.928 = 0.072

We formulate our null and alternate hypothesis as

H0 = 0.9 ; H0 > 0.9

The degree of confidence = 90%

z₀.₀₅ = 1.645 for α= 0.05

We use the test statistic

z= x- np/√npq

z= 466-500 *0.9/ √500 * 0.9(1-0.9)

z= 466- 450/ √45

z= 16/6.7082

z= 2.38

As the calculated value of z= 2.38 is greater than α =1.645 so we reject H0.

If H0 is true the P value is calculated as

P = 1- Ф( 2.38)

P = 1-0.991344=0.008656

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3 years ago

Which equation can be used to find the surface area of the cylinder?

miss Akunina [59]

Answer:

The fourth one

Step-by-step explanation:

Surface area of a cylinder: $SA=2\pi rh+2\pi r^2$

where r = radius and h = height

We have a given height of 14cm and a given diameter of 6cm

We need the radius, not the diameter

To convert diameter to radius we simply divide by 2

6 / 2 = 3

so R = 3

We now plug in the given values into the formula

$SA=2\pi (3)(14)+2\pi (3)^2$

This equation matches with answer choice D

7 0

3 years ago