MATHEMATICS HIGH SCHOOL

Can anyone help me?
Can anyone help me? - 1

Answers

Answer 1
Answer: y = √(-x + 3)
Domain: x ≤ 3

y = √(3x)
Domain: x ≥ 0

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2^1-x=3^2x-3 solve for X

Answers

Hello,

if the exact equation is

2^(1-x)=3^(2x-3)

==>(1-x)ln 2=(2x-3) ln 3

==>2x ln 3+x ln 2=ln 2 +3 ln 3

==>x=ln (2*3^3) / ln (2*3²)

==> x= ln(54)/ ln (18)

==>x ≈1,3800937....


if the equation is 2^1 -x  =3^2 *x -3 then

2-x=9x-3
==>10x=5
==>x=1/2

If x3 = 125, what is the value of x?

3
5
12
42

Answers

Answer:

Option B.

Step-by-step explanation:

In this question the given expression is x³ = 125 and we have to find the value of x.

x³ = 125

x³ =  5³

x = ∛5³

x = (5^(3))^{(1)/(3) }

x = 5^{(3)/(3)}

x = 5

Therefore x = 5, Option B is the correct answer.

Answer:

5 or B

Step-by-step explanation:

The definition of an angle uses the undefined term _______ .A.Line
B.Point
C.Plane
D.Ray

Answers

Point.

Further explanation

This is one of the classic problems of Euclidean geometry.

The angle is determined by three points, we call it A, B, C, with A ≠ C and B ≠ C.

We denote an angle with three points and a symbol ∠.  The middle point is always the vertex.  We can also give angle names only with vertices. For example, based on the attached image, the angle can be denoted as ∠BAC, or ∠CAB, or ∠A.

Types of Angles  

  • The acute angle represents an angle whose measure is greater than 0° and less than 90°.
  • The right angle is an angle that measures 90° precisely.  
  • The obtuse angle represents an angle whose measures greater than 90° and less than 180°.  
  • The straight angle is a line that goes infinitely in both directions and measures 180°. Carefully differentiate from rays that only runs in one direction.

Note:

Undefined terms are the 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.  

Learn more  

  1. Undefined terms are used to define a ray brainly.com/question/1087090
  2. Definition of the line segment brainly.com/question/909890  
  3. What are three collinear points on a line? brainly.com/question/5795008  

Keywords: the definition of an angle, the undefined term, line, point, line, plane, ray, endpoint, acute, obtuse, right, straight, Euclidean geometry

The definition of an angle uses the undefined term is \boxed{{\text{Point}}}. Option (B) is correct.

Further Explanation:

Given:

The options are as follows,

A. Line

B. Point

C. Plane

D. Ray

Explanation:

A point is a location on the graph or at any surface.

A line is the distance between the two points that extends to infinite in both directions.

A ray is defined as the distance between the two points that extends to infinite in one direction.

Plane extends in two dimensions.

The definition of an angle uses the undefined term is \boxed{{\text{Point}}}. Option (B) is correct.

Option (A) is not correct.

Option (B) is correct.

Option (C) is not correct.

Option (D) is not correct.

Learn more:

  1. If the clothing maker bought 500 m2 of this fabric, how much money did he lose? use 1tepiz=0.625dollar and 0.9144m=1yard brainly.com/question/2479097.
  2. Suppose that you find the volume of all the oceans to be 1.4×109km3 in a reference book. to find the mass, you can use the density of water, also found in this reference book, but first you must convert the volume to cubic meters. what is this volume in cubic meters? brainly.com/question/1446243.

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Line and Rays

Keywords: definition, angle, undefined term, line, point, ray, plane, an angle, points, extend, infinite.

The books in a private library are classified as fiction and nonfiction. There are 400 books in the library. There are 40 more fiction books than nonfiction books. Audrey randomly picks a book. A few minutes later, Ryan randomly picks one of the remaining books. What is the probability that both pick nonfiction books?

Answers

We must first solve the number of fiction and nonfiction books
if x is the number of fiction books and
y is the number of nonfinction books

Then,
x + y = 400
x = y + 40

Solving the system of equations:
x = 220
y = 180

Therefore, the probability that Audrey and Ryan will get both nonfiction books is
P = 180/400 + 179/399
P = 0.8986

Answer: The probability is P =  0.20

Step-by-step explanation:

The data that we have is:

Total books = 400

If the number of non fiction books is Nf and the number of fiction books is F, we have that:

F  = Nf  + 40

So here we have a system of equations:

Nf + F = 400

F = Nf + 40

we can replace the second equation in the first one, and solve it for Nf.

Nf + (Nf + 40) = 400

2*Nf + 40 = 400

2*Nf = 400 - 40 = 360

Nf = 180

So we have 180 non-fiction books.

We want to calculate the probability of picking at random two non-fiction books.

When Audrey picks one, the probabilty is equal to the number of non-fiction books divided the total number of books:

p1 = 180/400

for Ryan we have the same, but the number of books is 399 now (Because Audrey already took one), and the number of non-fiction books is 179.

p2 = 179/399

The probabiliy for both events to happen is:

P = p1*p2 = (180/400)*(179*399) = 0.20

The sum of two number is 17. their driffrence is 27.write a system of equations that describe this situation. solve to find the two numbers

Answers

A) x + y = 17
B) x - y = 27
Adding both equations:2x = 44
x = 22
y = -5

PLEASE HELP WILL GIVE BRAINLIEST TO CORRECT ANSWERA magazine sales person earns $250 a week plus a commission of 1/6 of the total sales. If the total sales for the week were $693, what is the total that the sales person earned?

A. $115.50
B. $157.17
C. $365.50
D. $407.17

Answers

693*1/6

693*0.16666666666

115.50

365.50 is the correct answer.
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