MATHEMATICS MIDDLE SCHOOL

Solve 6x+2=2x-2
these sort of equations I cannot understand

Answers

Answer 1
Answer: 6x+2=2x-2
6x+2-2=2x-2-2
6x=2x-4
6x-2x=2x-4-2x
4x=-4
4x/4= -4/4
x= -1
hope this helps :)

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14.2 x (-6) ÷ 15 x (-4) ÷ 0.4

Answers

The answer is 56.8 I calculated and that is what I got.
14,2 * (-6) : 15*(-4) : 0,4 =

In operation for multiplication and division two negative numbers abolish minus . The result will be positive.
Multiplication and division are performed in sequential order from left to right

- 85,2 : 15* (-4) : 0,4 = 

- 5,68 * (-4) : 0,4 =

22,72 : 0,4 = 56,8

An assistant receives a 10% raise bringing the salary to 47,633 what was the salary before the raise

Answers

The answer is 4763. Hope that helped d:

carey needs $45 to buy her mother a gift.She has saved 22% of that amount so far. How much more money does she need

Answers

Answer:

35.1

Step-by-step explanation:

You have to multiply 45 by .22, and you would get 9.9. Then, you have to subtract 45 and 9.9 to get 35.1. 35.1 is your answer

Find the arithmetic combination of f(x) =x+2, g(x)=x-2

Answers

Answer:

The arithmetic combinations of given functions are (f + g)(x) = 2x, (f - g)(x) = 4,  (f * g)(x) = \mathrm{x}^(2)-4 , \left((f)/(g)\right)(\mathrm{x})=(x+2)/(x-2)

Solution:  

Given, two functions are f(x) = x + 2 and g(x) = x – 2

We need to find the arithmetic combinations of given two functions.

Arithmetic functions of f(x) and g(x) are (f + g)(x), (f – g)(x), (f * g)(x), \left((f)/(g)\right)(\mathrm{x})

Now, (f + g)(x) = f(x) + g(x)

= x + 2 +x – 2

= 2x

Therefore (f + g)(x) = 2x

similarly,

(f - g)(x) = f(x) - g(x)

= x + 2 –(x – 2)

= x + 2 –x + 2

= 4

Therefore (f - g)(x) = 4

similarly,

(f * g)(x) = f(x) * g(x)

= (x + 2) * (x – 2)

= x * (x – 2) + 2 * (x -2)

=x^(2)-2 x+2 x-4

=x^(2)-4

Therefore  (f * g)(x) = x^(2)-4

now,

\left((f)/(g)\right)(\mathrm{x})=(f(x))/(g(x))

=(x+2)/(x-2)

((f)/(g))(x) = (x+2)/(x-2)

Hence arithmetic combinations of given functions are (f + g)(x) = 2x, (f - g)(x) = 4,  (f * g)(x) = \mathrm{x}^(2)-4 , \left((f)/(g)\right)(\mathrm{x})=(x+2)/(x-2)

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Answers

It all depends on what the real question is.. What is the question asking you?? Is it asking you what the shaded number is all together??

A bicycle store costs $1650 per month to operate.The store pays an average of $60 per bike.The average selling price of each bicycle is $90 how many bicycles must the store sell each month to break even

Answers

they would need to sell 18.34 round up to 19 or down to 18 to break even
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