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german
3 years ago
12

Which expression is equivalent to 4x+3x+4-2x

Mathematics
1 answer:
kvv77 [185]3 years ago
6 0

Answer:

5x+ 4

Step-by-step explanation:

First, put all of the x variables together. So 3x+4x=7x

7x + 4 -2x  Since the 2x is negative you can subtract it from 7x and get 5x.

you can not add the four to the 5x because it does not have a matching variable.

So, you have: 5x+ 4

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viktelen [127]

Answer:

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Step-by-step explanation:

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3 years ago
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WHAT IS THE VALUE OF Y IF L M N P IS A PARALLELOGRAM​
Ilia_Sergeevich [38]

Step-by-step explanation:

NPL+MNP=180°(being the sum of co-interior angle)

y°+68°=180°

y°=180°-68°

y°=112° answer

5 0
3 years ago
-3x -9=-42 pls hurry I need it
shutvik [7]

I'm not quite sure what you are asking here,

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3 years ago
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A furniture store has set aside 800 square feet to display its sofas and chairs. Each sofa utilizes 50 sq. ft. and each chair ut
miskamm [114]

Answer:

a) 50S + 30C ≤ 800

b) 1) MAX = S + C

   2) Max = 0.03S + 0.05C

   3) Max = 6S + 5C

Step-by-step explanation:

Given:

Total space = 800 square feet

Each sofa = 50 square feet

Each chair = 30 square feet

At least 5 sofas and 5 chairs are to be displayed.

a) Write a mathematical model representing the store's constraints:

Let S denote number of sofas displayed and C denote number of chairs displayed.

The mathematical model will be:

50S + 30C ≤ 800

At least 5 sofas are to be dispayed: S ≥ 5

At least 5 chairs are to be displayed: C ≥ 5

b)

1) Maximize the total pieces of furniture displayed:

S + C = MAX

2) Maximize the total expected number of daily sales:

MAX = 0.03S + 0.05C

3) Maximize the total expected daily profit:

Given:

Profit on sofas = $200

Profit on chairs = $100

Max Expected daily profit =

Max = (200S * 0.03) + (100C * 0.05)

<em>Max = 6S + 5C</em>

6 0
3 years ago
Six less than twice a number x is 38. what is the value of x​
Margarita [4]
Equation: 2x - 6 = 38
Solve for x
Add 6 to both sides
2x = 44, x = 22
The answer is 22
7 0
3 years ago
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