MATHEMATICS HIGH SCHOOL

Solve the multi-step equation by combining like terms and using inverse operations and the properties of equality.Equation: –4x – 5 + 2x = –11

What is the value for x?

Answers

Answer 1

Answer:

The value of x for the expression -4x - 5 + 2x = -11 is 3.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

-4x - 5 + 2x = -11 is an equation.

We have,

-4x - 5 + 2x = -11

Combine like terms.

-2x - 5 = -11

Add 5 on both sides.

-2x = -11 + 5

-2x = -6

Divide both sides by -2.

x = 3

Thus,

The value of x is 3.

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Answer 2

Answer:

Answer:

x = 3

Step-by-step explanation:

-4x - 5 + 2x = -11

add 5 to both sides and cancel the -5 on the left

-4x + 2x = -6

combine -4x and 2x

-2x = -6

divide both sides by -2 and cancel the -2 on the left

x = 3

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How many seconds are in 3.14 hours?

Answers

$1\ hour\ contain\ 3600\ seconds\n\n3,14\ hour\ contain\ x\ seconds\n\n Write\ it\ as\ ratio:\n\n1-3600\n3,14-x\nCross\ multiplication:\n\nx=3600*3,14= 11304\ seconds\n\nIn\ 3,14\ hours\ are\ 11304\ seconds.$

Helppppppppppppppppppppppppp

Answers

I’m pretty sure the answer is 1
I wouldn’t double check that tho
Sorry

What is the slope of a line perpendicular to MN for M(-3, 4) and N(5, -8)?

Answers

Answer:

slope of the line perpendicular to MN = 2/3

Step-by-step explanation:

slope = y2 - y1 / x2 - x1

the given co-ordinates are:

x1, y1 = -3, 4

x2, y2 = 5, -8

slope = -8 - 4 / 5 + 3

= -12/8

= -3/2

slope of the line perpendicular to MN = -1 / slope

= -1 / -3/2

= -1 * -2/3 = 2/3

Answer:

m = 2/3

Step-by-step explanation:

Slope = (y-y)/(x-x)

(-8-4)/5- -3) = -12/8

-12/8 = -3/2

Slope od the perpendicular line= 2/3

Find the smallest 4-digit number perfect square.

Answers

31*31= 961 is perfect square but it don't respect the sentence

32*32=1024 is the lowest perfect square formed by 4 digits

A rectangle has a length of 23 inches and a perimeter of 74 inches. what is the width of the rectangle?

Answers

Perimeter = 2(l+b)
74 = 2 ( 23 + b )
b = 14
width = 14 inches

Perimeter, P = 2*(L + W),

Where L = Length, W = Width

P = 2*(L + W)

74 = 2*(23 + W)

74/2 = (23 + W)

37 = (23 + W)

37 - 23 = W

14 = W

W = 14

The width is 14 inches.

Quick question!!!!!!!