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svlad2 [7]
3 years ago
8

10 MINUTES LEFT does anyone know the answer to this algebra 2 question?

Mathematics
1 answer:
LekaFEV [45]3 years ago
5 0

Answer:

The answer is A.

Step-by-step explanation:

I just took the test so it's right

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In geometry, how do defined terms and undefined terms relate to each other
inysia [295]
<span> </span>
<span><span><span>In geometry, how do defined terms and undefined terms relate to each other? 
</span><span><span>Ask for details </span> <span>Follow </span> Report</span> <span>by <span>Da5ncing4bearnelogi </span>05.08.2016</span></span>Answers<span><span>Hussain514 </span> Ambitious</span>In geometry, definitions are formed using known words or terms to describe a new word. There are three words in geometry that are not formally defined. These three undefined terms are point, line and plane. 

POINT (an undefined term) 
In geometry, a point has no dimension (actual size). Even though we represent a point with a dot, the point has no length, width, or thickness. A point is usually named with a capital letter. In the coordinate plane, a point is named by an ordered pair, (x,y). 

LINE (an undefined term) 
In geometry, a line has no thickness but its length extends in one dimension and goes on forever in both directions. A line is depicted to be a straight line with two arrowheads indicating that the line extends without end in two directions. A line is named by a single lowercase written letter or by two points on the line with an arrow drawn above them. 

PLANE (an undefined term) 
In geometry, a plane has no thickness but extends indefinitely in all directions. Planes are usually represented by a shape that looks like a tabletop or wall. Even though the diagram of a plane has edges, you must remember that the plane has no boundaries. A plane is named by a single letter (plane m) or by three non-collinear points (plane ABC). 

Undefined terms can be combined to define other terms. Noncollinear points, for example, are points that do not lie on the same line. A line segment is the portion of a line that includes two particular points and all points that lie between them, while a ray is the portion of a line that includes a particular point, called the end point, and all points extending infinitely to one side of the end point. 

Defined terms can be combined with each other and with undefined terms to define still more terms. An angle, for example, is a combination of two different rays or line segments that share a single end point. Similarly, a triangle is composed of three noncollinear points and the line segments that lie between them. 

Everything else builds on these and adds more information to this base. Those added things include all the theorems and other "defined" terms like parallelogram or acute angle. <span>
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3 0
2 years ago
There are 10 marbles in a bag. Four are blue, 3 are black and 2 white and 1 red. If the marbles are not replaced once they are d
stich3 [128]

<u>Given</u>:

Given that there are 10 marbles in a bag. 4 are blue, 3 are black, 2 are white and 1 is red.

The marbles are selected by not replacing the drawn ones.

We need to the probability of selected a black marble and then a white marble without replacement.

<u>Probability</u>:

Let B denote the black marble.

Let W denote the white marble.

The probability of selecting a black marble is P(B)=\frac{3}{10}

The probability of selecting a white marble without replacement is P(W)=\frac{2}{9}

The probability of selecting a black marble and then a white marble without replacement is given by

P(B \ and \ W)=P(B) \cdot P(W)

Substituting the values, we get;

P(B \ and \ W)=\frac{3}{10} \cdot \frac{2}{9}

P(B \ and \ W)=\frac{6}{90}

P(B \ and \ W)=\frac{1}{15}

Thus, the probability of selecting a black marble and then a white marble without replacement is \frac{1}{15}

4 0
3 years ago
) What should be subtracted from -5/3 to get 5/6?
kumpel [21]

Answer:

-\frac{5}{2}

Step-by-step explanation:

Step 1: Put this into an equation

-\frac{5}{3} - x = \frac{5}{6}

Step 2: Solve for x

-x = \frac{5}{6} + \frac{5}{3}

-x = \frac{5}{2}

x =- \frac{5}{2}

Therefore you need to subtract -\frac{5}{2} from -\frac{5}{3} to get \frac{5}{6}

4 0
3 years ago
Is -1.3 as a repeating decimal a rational number
V125BC [204]
The answer is going to be repeating decimal. hope that helped
7 0
3 years ago
100 points!!!!!!!
creativ13 [48]

Answer:

The minimum unit cost is equal to $15,339

Step-by-step explanation:

Let

x ----> the number of engines

C ---> the cost in dollars to make each airplane engine

we have

C(x)=0.5x^{2} -100x+20,339

This is a vertical parabola open upward (the leading coefficient is positive)

The vertex represent the minimum of the parabola

The minimum unit cost is equal to the y-coordinate of the vertex

Convert the quadratic equation into vertex form

Factor 0.5

C(x)=0.5(x^{2} -200x)+20,339

Complete the square. Remember to balance the equation by adding the same constants to each side

C(x)=0.5(x^{2} -200x+100^2)+20,339-5,000

C(x)=0.5(x^{2} -200x+10,000)+15,339

Rewrite as perfect squares

C(x)=0.5(x-100)^{2}+15,339 ----> equation into vertex form

The vertex is the point (100,15,339)

The y-coordinate of the vertex is 15,339

therefore

The minimum unit cost is equal to $15,339

4 0
3 years ago
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