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3 years ago

|x−1|, if x>1 Please Help, as soon as possible

Mathematics

2 answers:

adelina 88 [10]3 years ago

8 0

Answer:

x-1

Step-by-step explanation:

|x-1| if x>1. the expression must be positive, therefore you can remove the absolute values without trouble so you get x-1

nataly862011 [7]3 years ago

6 0

Answer:

x = 2 , y = 3 , z = 1

Step-by-step explanation:

I believe is the answer correct me if wrong

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Desperate please Hurry Question Down Below

aliina [53]

Answer:

Step-by-step explanation:

6+10=16

2+2=4

16/4 = 4

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2 years ago

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Construct a line through R that is perpendicular to the line

Tems11 [23]

Answer:

Can you retake the picture please, of the entire Problem?

Step-by-step explanation:

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3 years ago

During a rock concert, the noise level (in decibels) in front row seats has a mean of 92 dB with a standard deviation of 9 dg_ W

rodikova [14]

Answer:

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

Step-by-step explanation:

When we do not know the shape of the distribution, we use the Chebyshev's Theorem to find the minimum percentage of a measure within k standard deviations of the mean.

This percentage is:

$p = 1 - \frac{1}{k^{2}}$

Within 8 standard deviations of the mean

This means that $k = 8$ . So

$p = 1 - \frac{1}{8^{2}} = 1 - \frac{1}{64} = \frac{64 - 1}{64} = \frac{63}{64} = 0.9844$

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

6 0

3 years ago

A train covers a distance of 80 miles in 2 hours. At this rate, about how many hours will it take to cover a distance of 200 mil

Vadim26 [7]

Let's write miles over hours
80 / 2 = 200/ x
cross multiply
80x = 400
divide both sides by 80
x = 5

It will take 5 hours to cover 200 miles

Hope this helps :)

6 0

3 years ago

Please help with geometry homework will make brainliest

o-na [289]

Answer

Explanation

The two lines in the diagram are secants meeting outside the circle.

The products of a secant and the extension of the chord of one line is equal to the products of a secant and the extension of the chord of the other line.

∴ 4 × 9 = x × 12

36 = 12x

x = 36/12

= 3

4 0

3 years ago