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lilavasa [31]
3 years ago
13

A train travels 132 miles in 3 hours. What is its average speed in miles per hour?

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
7 0

Answer:

44 mph

Step-by-step explanation:

132/3 = 44/1

44 mi for every 1 hour

132/3=44

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Line f has a slope of -3. What is the slope of the line that is perpendicular to line f?
Fynjy0 [20]

Answer:

1/3

Step-by-step explanation:

slope of line f (m) = -3

Slope of perpendicular line to f m1 = -1/m = -1/-3 = 1/3

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What is the slope of 9 and 180
Kipish [7]

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a slope of 9 and 180 would just be 9 and 180 over 1

Step-by-step explanation:

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Can movement of matter cannot occur without energy transfer
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8 0
4 years ago
If f(x) = 2x - 9, which of the following are correct? Select all that apply. f(-1) = -11 f(2) = 5 f(3) = -3 f(0) = -9 f(-3) = 15
Yuri [45]

f(-1) = -11 and f(3) = -3 . these functions are true .

What does a math function mean?

  • A relationship between a group of inputs and one output each is referred to as a function.
  •  A function is an association between inputs in which each input is connected to precisely one output.
  • A domain, codomain, or range exists for every function. f(x), where x is the input, is a common way to refer to a function.
  • In mathematics, a function is an expression, rule, or law that establishes the relationship between two variables (the dependent variable).

given function  f(x) = 2x - 9

   f(-1) = -11 ⇒ x = -1 put in function

                       f( -1 ) = 2 * -1 - 9  ⇒ - 11

    f(2) = 5   ⇒ x = 2 put in function

                    f( 2 ) = 2 * 5 - 9 = 1

    f(3) = -3  ⇒  x = 3 put in function

                     f ( 3 ) = 2 * 3 - 9 = -3

       f(-3) = 15   ⇒  x =  -3 put in function

                     f( -3) = 2 * -3 - 9 = - 15

Learn more about function

brainly.com/question/21145944

#SPJ13

3 0
1 year ago
Let the vector v have an initial point at (3,−2) and a terminal point at (3,−7). Determine the components of vector v
kiruha [24]

Answer:

(0,-5)

Step-by-step explanation:

Terminal minus initial. (3-3, -7+2) = (0,-5)

3 0
3 years ago
Read 2 more answers
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