Write the slope intercept form of the equation of the line through the given point with the given slope

Mathematics

1 answer:

liraira [26]3 years ago

7 0

Answer:

y = -3/7 x + 41/7

Step-by-step explanation:

The Slope (m) is -3/7

y= mx+ b

They y intercept passing through the pt. (-2,5 ) is

5 = -3/7(2) +b

5 = -6/7 +b

b= 41/7

y = mx +b

y = -3/7 x + 41/7

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Bezzdna [24]

Let price of one scarf be $x
Price of the other is 3 more than $x
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x=22/2
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A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 46.046.0 and

Gala2k [10]

Answer:

The probability of selecting a class that runs between 50.2550.25 and 51.2551.25 minutes is 0.10

Step-by-step explanation:

The Uniform Distribution, also known as Rectangular Distribution, is a type of Continuous Probability Distribution. It has a continuous random variable restricted to a finite interval and its probability function has a constant density during this interval.

The formula of probability if given by:

f(x)=

$\left \{ {{\frac{1}{b-a}; \ a \leq x \leq b } \atop {0}; \ x \ otherwise } \right.$

In this exercise a= 46.0 and b= 56.0

The probability of selecting a class that runs between 50.2550.25 and 51.2551.25 minutes is:

$\int\limits^{51.25}_{50.25} {\frac{1}{56-46} } \, dx = \int\limits^{51.25}_{50.25} {\frac{1}{10} } \, dx = \frac{1}{10} \times (51.25 - 50.25)=\frac{1}{10}=0.1$