MATHEMATICS HIGH SCHOOL

X+4>-15 please solve
thank you

Answers

Answer 1
Answer: x + 4 > -15
x > -15 - 4
x > -19

The answer is: x > -19.

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what is:  x + 3 -    2x -1  = 4

                 5            3

               

Answers

(x + 3)/5 - (2x - 1)/3 = 4 / * 15

3(x + 3) - 5(2x - 1) = 15 * 4

3x + 9 - 10x + 5 = 60

7x = 60 - 9 - 5

7x = 46 / : 7

x = 6 4/7

Answer:

X= -46/7

Step-by-step explanation:

step1:  left part times 15 is   3(X+3)-5(2X-1)

step2: right part times 15 is 60

step3:   3(X+3)-5(2X-1)=60

step4:   3X+9-10X+5=60

step5:   -7X+14=60

step6:   -7X=46

step7:      X= -46/7

Choose the equation of the horizontal line that passes through the point (-2,-1). A.) y = -1

B.) y = -2

C.) x = -2

D.) x = -1

Answers

Answer:

  A.)  y = -1

Step-by-step explanation:

The equation of a horizontal line is ...

  y = constant

To make that line go through the point (x, y) = (-2, -1), the constant must match the y-coordinate of the point: -1.

  y = -1

Graph x2 + y2 = 9. What are its lines of symmetry?

Answers

            Equation given in the question represents a circle.

            Therefore, there will be infinite lines of symmetry.

Line of symmetry of a figure:

  •  Line of symmetry of a figure is the line over which half of the figure overlaps the other half.

Given in the question,

  •  Graph represented by the equation → x² + y² = 9

Equation given in the question is in the form of

(x-0)^2+(y-0)^2=3^2

Since, general equation of a circle is given by,

(x-h)^2+(y-k)^2=r^2        

Therefore, given equation represents a circle.

By definition, a circle has infinite lines of symmetry passing through the center.

      Therefore, given equation will have infinite lines of symmetry.

Learn more about the lines of symmetry here,

brainly.com/question/1968732?referrer=searchResults

Answer:

It has infinitely many line of symmetry. All diameters are line of symmetry.

Step-by-step explanation:

Given: Equation is x² + y² = 9

To find: line of symmetry of given equation

Given equation is the equation of circle.

x² + y² = 9

re write,

(x-0)² + (y-0)² = 3²

by comparing given equation with standard equation of circle ,

(x-h)² + (y-k)² = r²

we get, h = 0 , k = 0 , r = 3

⇒ Centre of circle = ( 0 , 0 ) and radius of circle = 3 unit

Since It is a circle. so it has Infinitely many line of symmetry

Also, All diameters of this circle are line of symmetry for this circle.

Some equation of line of symmetry,

x-axis : y = 0

y-axis : x = 0

Simplify a - {5b - [a - (3b - 2c) + c - (a - 2b - c)]}.-a - 6b + 4c

a - 6b + 4c

a - 10b + 4c


-a + 10b + 4c

Answers

a - {5b - [a - (3b - 2c) + c - (a - 2b - c)]}
= a - 5b - a - 3b + 2c + c - a + 2b + c
= -a - 6b + 4c

answer is -a - 6b + 4c (first choice)
your answer should be -6b+4c

Best of Luck!!!

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Answers

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Step-by-step explanation:

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Answers

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