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ipn [44]
2 years ago
9

1. 2, 3, 2007. 5, 18. 75,. Which formula can be used to describe the sequence? f(x) = 1. 2(2. 5)x – 1 f(x) = 2. 5(1. 2)x – 1 f(x

) = 1. 2(2. 5)x f(x) = 2. 5(1. 2)x.
SAT
1 answer:
Alja [10]2 years ago
8 0

Answer:

B

Explanation:

You might be interested in
determine the x- and y-intercepts of the graph of x + 3y = 9 . then plot the intercepts to graph the equation.
UkoKoshka [18]

Answer:

the x-intercept is (9,0) and the y-intercept is (0,3)

then you must plot them

Explanation:

x-intercept is when y=0

y-intercept is when x=0

6 0
3 years ago
Which of these is not a characteristic of science?.
Degger [83]

Science is not testable is not a characteristic of science.

The omitted options include :

  • science is a process.
  • science is a body of knowledge.
  • science must follow the scientific method.
  • science is not testable.

<h3>What is a Scientific method? </h3>

A scientific method refers to the step  by step process that   scientists must follow in order to give scientific explanation of a phenomena or invention of an idea that is testable.

The scientific method includes:

  • Observation
  • Constructing  a hypothesis/ testable explanation
  • Conducting experiments to test the hpothesis
  • Formulation of theories based on experiments
  • Conducting further experiments and research
  • Making conclusions/Formulation of laws.
  • Reporting, and evaluating.

Thus, the characteristics of science include:

  • science is a process.
  • science is a body of knowledge.
  • science must follow the scientific method.

Therefore it is wrong to say that science is not testable.

Read more on scientific methods here: brainly.com/question/26174465

6 0
3 years ago
a helicopter flies parallel to the ground at an altitude of 1/2 kilometer and at a speed of 2 kilometers per minute. if the heli
Murrr4er [49]

The Pythagoras' theorem and the uniform motion allows to find the answer for the rate of change of distance is

               v = 32.3 m / s

The distance is the length of the segment that a white house wing with the helicopter, this can be found using the Pythagoras' theorem

               R = \sqrt{x^2 + y^2}

Where R is the distance, x is the horizontal distance where the helicopter flies and y is the vertical distance that corresponds to the flight height

y = 500 m

Since the helicopter flies at constant speed, we can use the uniform motion relation

              v_h = \frac{x}{t}

              x = v_ht

Where v_h is the speed of the helicopter and t is the time

We substitute  

                r = \sqrt {(V_h \ t)^2 + y^2}

Kinematics defines velocity as the change of position in the unit of time

            v = \frac{dR}{dt}

           v = \frac{1}{2} \  \frac{2 ( v_h t) v_h}{ \sqrt{(v_h t)^2 + y^2} }

           v = \frac{v_h^2 \ t}{ \sqrt{(v_h t)^2 + y^2} }

This expression is the change in distance as a function of time for a given speed. In the exercise, this speed is requested for a time of one minute, for the helicopter speed of

        v = 2km/min (\frac{1000m}{1km} ) ( \frac{1 min}{60s}) = 33.33 m / s

Let's calculate

            v = \frac{33.33^2 \ 60 }{ \sqrt{ )33.3 \ 60)^2 +500^2} }

         

            v = 32.3 m / s

In conclusion using the Pythagoras' theorem and the uniform motion we can find the answer for the rate of change in distance is

               v = 32.3 m / s

Learn more here: brainly.com/question/343682

4 0
3 years ago
Equal opportunity officer education requirement
larisa86 [58]

Equal Opportunity Representatives and Officers :: Summary. Monitor and evaluate compliance with equal opportunity laws, guidelines, and policies to ensure that employment practices and contracting arrangements give equal opportunity without regard to race, religion, color, national origin, sex, age, or disability.

6 0
3 years ago
Describe the steps used to graph the equation 4x-2y=8 with an x- and y- intercepts.
hram777 [196]

Answer:

x=1/2y+2

y=2x-4

Explanation:

For x-intercept:

4x-2y=8

-> subtract -2y on both sides

4x=2y+8

-> divide 4 on both sides to isolate the x

x=1/2y+2

For y-intercept:

4x-2y=8

-> subtract 4x on both sides

-2y=-4x+8

-> divide -2 on both sides to isolate the y

y=2x-4

8 0
3 years ago
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