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sergey [27]
3 years ago
12

Haven't had luck with this question in the past and I need help.

Mathematics
1 answer:
ElenaW [278]3 years ago
3 0

Answer:

pi

Step-by-step explanation:

First find the area of a full circle with radius 2

A = pi r^2

A = pi 2^2

A = 4 pi

We know that this is 1/4 of a circle so take 1/4 of the area

1/4 A = 1/4 (4 pi) = pi

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X=4<br> what is the domain and what is the range and is it a function?
marusya05 [52]
The domain is the numbers you can use for x

so the domain is 4

the range is the possible y values we get from that domain
we get all real numbers because it goes up and down infinitey


domain is 4
range is all real numbers
7 0
3 years ago
In 2012, the population of a small town was 3560. The population is decreasing at a rat of 1.7% per year. How can you rewrite an
RSB [31]
In 2012, the population of a small town was 3,560. The population is decreasing at a rate of 1.7% per year. How can you rewrite an exponential growth ...
6 0
2 years ago
Which pair of undefined terms is used to define a ray?
Zigmanuir [339]

Answer:

A point and a line.

Further explanation:

Ray is part of the line with one endpoint. Ray is an endless straight path in one direction from a starting point, e.g., .

The arrow above the point shows the direction of the longitudinal beam. The length of the ray cannot be calculated.

Undefined terms are basic figure that is not defined in terms of other figures. The undefined terms (or primitive terms) in geometry are a point, line, and plane.

These key terms cannot be mathematically defined using other known words.

A point represents a location and has no dimension (size).  It is labeled with a capital letter and a dot.

A line is an infinite number of points extending in opposite directions that have only one dimension. It has one dimension. It is a straight path and no thickness.

A plane is a flat surface that contains many points and lines.  A plane extends infinitely in all four directions.  It is two-dimensional.  Three noncollinear points determine a plane, as there is exactly one plane that can go through these points.

3 0
3 years ago
The total land area of the United States is about 3,483,511 square miles more than the total land area of Tennessee, which is ab
Gelneren [198K]

Total land area of United States is 3,537,438.

Step-by-step explanation:

Given,

Total land area of Tennessee =  53927

According to given statement,

Total land of United States = Land of Tennessee + 3483511

Total\ land\ of\ United\ States = 53927+3483511\\Total\ land\ of\ United\ States = 3537438

Total land area of United States is 3,537,438.

Keywords: Land area, addition

Learn more about addition at:

  • brainly.com/question/2125469
  • brainly.com/question/2135348

#LearnwithBrainly

6 0
4 years ago
Read 2 more answers
Which point gives the vertex of ƒ(x) = –x2 + 4x – 3?
Dmitriy789 [7]

Answer:

The vertex is (2,1)

Step-by-step explanation:

ƒ(x) = –x^2 + 4x – 3

Factor out the negative

   = -(x^2 -4x+3)

 Factor

What 2 numbers multiply to +3 and add to -4

-3*-1 = 3

-3+-1 = -4

f(x) =  -( x-3)(x-1)

Find the zeros

0 = -( x-3)(x-1)

0 = x-3   0 = x-1

x=3            x=1

The x value of the vertex is 1/2 way between the two zeros

(3+1)/2 = 4/2 =2

To find the y value, substitute x=2 in

f(2) =  -( 2-3)(2-1)

       =-(-1)(1) = 1

The vertex is (2,1)

4 0
3 years ago
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