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____ [38]
3 years ago
13

6(3x - 2) + 5(x + 6)

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
7 0

Answer:

x=3.5

Step-by-step explanation:

1. Multiply

18x-12=5x+30

2.  Move the x's to one side

12x= 42

3. Isolate the variable by dividing

x=3.5

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A rectangle garden has a width that is 8 feet less than twice the length. Find the dimensions if the perimeter is 20 feet
Lana71 [14]

Width = 4ft

Length = 6ft

<u>Explanation: </u>

Let length = l ,

So, width = 2l-8

Perimeter of rectangle = 2x(length + width)

According to the question,

20ft = 2X(l + 2l-8)\\20ft = 2X(3l -8)\\ 10ft = 3l-8\\18ft = 3l \\ l = 6ft

Hence,

Width = 4ft

Length = 6ft

6 0
3 years ago
200 meters
Katyanochek1 [597]

Answer:

520 m

Step-by-step explanation:

Perimeter is the distance around a shape. To find the perimeter, you add up all the sides.

200 + 60 + 60 + 200 = 520 m

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2 years ago
If f(x)= 3x squared - 2x + 1 what is f(x+2)
Crazy boy [7]
2x squared would be you final answer
4 0
3 years ago
Help and i'll give you brainliest
8090 [49]

Answer:

139°

Step-by-step explanation:

They would both be 139

6 0
3 years ago
4х + 1 cm<br> 3х – 2 cm <br> Simplified
OlgaM077 [116]

Answer:

x= -3

Step-by-step explanation:

4x+1=3x-2

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x={-3}

5 0
3 years ago
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