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a_sh-v [17]
3 years ago
5

Write a. equation in point slope form of the line that passes through the given point and has the given slope

Mathematics
2 answers:
Goshia [24]3 years ago
4 0

Answer:

y-7=-4(x-2)

Step-by-step explanation:

Karolina [17]3 years ago
3 0

Answer:

Y=15-4X

Step-by-step explanation:

Let us say Y2 = 7

X2 = 2

m= (Y2-Y)/(x2-x)

-4=(7-Y)/(2-x)

-4(2-x)=7-Y

-8+4x=7-Y

-Y=-8+4x-7

-Y=-15+4x

Y=15-4x

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Lera25 [3.4K]

Answer:

68

Step-by-step explanation:

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2 years ago
The speeds of cars on a given i street we are normally distributed with a mean of 72 miles per hour and a standard deviation of
Ostrovityanka [42]

Answer: 72.78% of the drivers are traveling between 70 and 80 miles per hour based on this distribution.

Step-by-step explanation:

Let X be a random variable that represents the speed of the drivers.

Given: population mean : M = 72 miles ,

Standard deviation: s= 3.2 miles

The probability that the drivers are traveling between 70 and 80 miles per hour based on this distribution:

P(70\leq X\leq 80)=P(\frac{70-72}{3.2}\leq \frac{X-M}{s}\leq\frac{80-72}{3.2})\\\\= P(-0.625\leq Z\leq 2.5)\ \ \ \ \ [Z=\frac{X-M}{s}]\\\\=P(Z\leq2.5)-P(Z\leq -0.625)\\\\\\ =0.9938-0.2660\ \ \ [\text{Using p-value calculator}]\\\\=0.7278

Hence, 72.78% of the drivers are traveling between 70 and 80 miles per hour based on this distribution.

3 0
3 years ago
What is the scientfic notation of 0.05
vredina [299]

Answer:

5×10⁻²

Step-by-step explanation:

  • Move the decimal so there is one non-zero digit to the left of the decimal point.
  • The number of decimal places you move will be the exponent on the 10. a.  If the decimal is being moved to the right, the exponent will be negative.

        b.  If the decimal is being moved to the left, the exponent will be positive.

  • Therefore. The answer is 5×10⁻²
8 0
3 years ago
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Talja [164]

Answer:

y = x/5 -11

Step-by-step explanation:

y = mx + b (slope intercept form)

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4 0
3 years ago
The x- and Y negative coordinates have the same sign​
ale4655 [162]

Answer:

if the x and y coordinates that mean that number is the solution to whatever the question is.

Step-by-step explanation:

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3 years ago
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