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aniked [119]
3 years ago
14

I appreciate the help please

Mathematics
2 answers:
Hitman42 [59]3 years ago
8 0
Answer:

X = 37

Explanation:

Hope this helps!
8_murik_8 [283]3 years ago
5 0
Tough luck fool i aint giving u no answer u fool
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Write an expression that can be used to multiply 6x198 mentally
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 Do a mental sum for 6 x 200 (1200) then subtract 6<span>x 2 (12) to give you 1188.</span>
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The area A of a sector of a circle is given by A=πr²s/360, where r is the radius of the circle and s is the angle measure(in deg
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What are the domain and range of f (x) = log (x minus 1) 2?.
statuscvo [17]

You can use the definition of logarithm and the fact that a positive number raised to any power will always stay bigger than 0.

The domain of the given function is  {x | x > 1 and a real number }

The range of the given function is \mathbb R (set of real numbers)

<h3>What is the definition of logarithm?</h3>

If a is raised to power b is resulted as c, then we can rewrite it that b equals to the logarithm of c with base a.

Or, symbolically:

a^b =  c \implies b = log_a(c)

Since c was the result of a raised to power b, thus, if a was a positive number, then a raised to any power won't go less or equal to zero, thus making c > 0

<h3>How to use this definition to find the domain and range of given function?</h3>

Since log(x-1) is with base 10 (when base of log isn't specified, it is assumed to be with base 10) (when log is written ln, it is log with base e =2.71828.... ) thus, we have a = 10 > 0 thus the input x-1 > 0 too.

Or we have:

x > 1 as the restriction.

Thus domain of the given function is {x | x > 1 and a real number }

Now from domain, we have:

x >  1\\&#10;x-1 > 0\\&#10;log(x-1) > -\infty\\&#10;log(x-1) + 2 > -\infty\\&#10;f(x) > -\infty (log(x-1) > -infinity since log(0) on right side have arbitrary negatively large value which is denoted by -infinity)

Thus, range of given function  is whole real number set \mathbb R (since all finite real numbers are bigger than negative infinity)

Thus, the domain of the given function is  {x | x > 1 and a real number }

The range of the given function is \mathbb R (set of real numbers

Learn more about domain and range here:

brainly.com/question/12208715

8 0
3 years ago
Matt wants to investigate the opinions of young adults in the country, ages 18 years to 25 years, about time spent playing video
just olya [345]

Answer:

A simple random sample without replacement (SRSWOR) of the people of the country aged 18 to 25 years.

Step-by-step explanation:

Matt wants to investigate the opinions of young adults in the country, aged 18 years to 25 years about time spent playing video games. He plans to administer a survey to a sample of people. The following may be a suitable sample :-

A simple random sample without replacement (SRSWOR) of the people of the country aged 18 to 25 years.

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At Arnold's Arcade, a child can buy 21 tokens for $6. At this rate, how many tokens would $20 get someone?
nydimaria [60]

Based on the information given, the number of tokens that will be bought if a child has $20 will be 70.

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