3 years ago

100 POINTS

Mathematics

2 answers:

dedylja [7]3 years ago

5 0

Y= 2x-3
the slope of the line is 2, and b, the y-intercept, is -3

svet-max [94.6K]3 years ago

4 0

the answer is simple. it is a

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According Two data from the 2010 United States Census 83.7% of Americans lived in the metropolitan area suppose maria researcher

Murrr4er [49]

Answer:

Mean is 83.7%

And, the standard deviation is 0.033

Step-by-step explanation:

The computation of the mean and the standard deviation is as follows:

Let us assume the P be the sample proportion

Mean is 83.7%

And, the standard deviation is

$= \sqrt{\frac{p(1-p)}{n} } \\\\=\sqrt{\frac{0.837(1-0.837)}{125} }$

= 0.033

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3 years ago

Find the missing side and round to the nearest tenth

mario62 [17]

65 degrees is right

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3 years ago

compared to last year, the population of Boom Town has increased by 10%. The population is now 6,600. What was the population la

Rufina [12.5K]

Answer:

Step-by-step explanation:

6600 x 10% = 60&$;#;,$:#&#>$

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3 years ago

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If two marbles are randomly selected from the bag without replacement, what is the probability that the first marble is blue?

joja [24]

Answer:1,0.5, or 0 it depends

Explanation:

The probability that one event occurred depends on the total of random event, being 1 the most of the probabilities

If the two marbles are blue the probability to select a marble blue is 1

If one of the marbles is blue and the other marble is of any color the probability to select the blue marbles is:

P=1 - 1/2=1/2

Being 1/2 or 0.5 the answer

If any of the marbles are blue then the probabilities are 0

8 0

3 years ago

Given f(x) = 4x + 2, find f-1(3).

Alexxandr [17]

Answer:

1/4

Step-by-step explanation:

The inverse function tells you the input value that corresponds to the given output value of the function.

<h3>Application</h3>

You want f^-1(3), which is the value of x such that f(x) = 3.

f(x) = 3 = 4x +2

1 = 4x . . . . . . subtract 2

1/4 = x . . . . . divide by 4

The inverse function of 3 is 1/4:

$\boxed{f^{-1}(3)=\dfrac{1}{4}}$

4 0

2 years ago