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3 years ago

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If possible, use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.

Statement 1: If x = 7, then 7x – 2 = 47. Statement 2: x = 7

2 answers:

Julli [10]3 years ago

5 0

Answer:

x=7

Step-by-step explanation:

bogdanovich [222]3 years ago

3 0

Whats 9 + 10? 21! U stupid Im not

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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

What is the distance between (-6, 8) and (-3, 9)? Either 4, 6, root 10, or root 15

notka56 [123]

Hope this helps you

8 0

3 years ago

What percent is 25 of 80? Please help

Neko [114]

The answer would be 20 .

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3 years ago

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Fiesta28 [93]

False, bc when you plug in the x and y values the equation isnt true.

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2 years ago

What is 8−4(−x+5) in equivelent expression

jonny [76]

Answer:

$4x - 12$

$4(x - 3)$

Step-by-step explanation:

$8 - 4( - x + 5) \\ 8 + 4x - 20 \\ 4x - 12$

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em>

<em>brainliest</em><em> </em><em>appreciate</em><em>d</em><em>.</em>

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3 years ago

Read 2 more answers