What expression simplifies to 8x-5

Answers

Answer 1

Answer:

The value of the equation A = -6x + 7 ( 2x + 1 ) - 12 is A = 8x - 5

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

A = -6x + 7 ( 2x + 1 ) - 12 be equation (1)

Now , let the equation B = 8x - 5

On simplifying the equation (1) , we get

A = -6x + 7 ( 2x ) + 7 ( 1 ) - 12

A = -6x + 14x + 7 - 12

On further simplification , we get

A = 8x - 5

So , the value of A = B

Therefore , the value of A is 8x - 5

Hence , the equation is A = 8x - 5

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Answer 2

Answer:

The Answer is A = -6x + 7 ( 2x + 1 ) - 12 is A = 8x - 5

Step-by-step explanation:

I got it right

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Help me with (mad) Mean Absolute Deviation. I don't get it!!!

Answers

To Solve MAD or the mean absolute deviation what you need to do is get the Mean so lets say you have the numbers 20,35,18,34,60,82,10, and 29 add them up to get 228. next divide by the amount of numbers 228/8 = 36 now to get the mean absolute deviation get the difference of each number, but some will be negative so we will turn them to positive Like so.
20-36=-16 turn to positive 16
36-35=1
36-18=18
36-34=2
60-34=24
82-34=46
36-10=26
and 36-29=7
you add up these numbers to get 140 then divide them by the numbers 140/8=17.5
so 17.5 is your mean absolute deviation.

Which value of x makes this equation true? –8 + x = 0 A. –8 B. 8 C. No value of x will make it true. D. 0

Answers

remember that you can do anything ot an equaiton as long as you do it to both sides

-8+x=0
add 8 to both sides
8-8+x=0+8
0+x=8
x=8

answer is B. 8

-8 + x = 0

Rearrange the terms.

x - 8 = 0

Add 8 on both sides.

x - 8 + 8 = 0 + 8

x = 0 + 8

x = 8

x = 8 will make the equation true.

Your answer is B. 8

In the expression 4 +3x+5y what is the coefficent of x

Answers

Answer:

your coefficient is 3 because its infront of the x

Answer: 3

Hope this helps:)

Arthur ran around a circular field 3 times. If he ran a total of 750m what is diameter and radius

Answers

Answer:

Hope this helped

Step-by-step explanation:

Circumference = 750 m / 3

Circumference 250 m

Circumference = pi * D where pi = 3.1415926 and D is the diameter in meters

Solving for the diameter

250 m = pi * D

D = 250 m / pi

D = 79.58 m is the diameter of the circular field

Solving for the radius

r = 1/2 D where r is the radius of the circular field

r = 39.59 m is the radius of the circular field

What is the pattern of 3,400,000 34,000 blank 3.4 03.4

Answers

The pattern is that each time you divide by 100. And the blank is 340.

The fraction 3/10 is the difference of 8/10 and which fraction

Answers

Answer:

½ or 11/10

Step-by-step explanation:

3/10 = 8/10 - X

X = 8/10 - 3/10 = 5/10 = 1/2

Or,

X - 8/10 = 3/10

X = 11/10

Answer:

5/10

Step-by-step explanation:

8/10 -5/10 =3/10

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