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OLEGan [10]
3 years ago
12

The length of a rectangle is 3 more inches than the width. Find the length and width of the rectangle is the perimeter of the re

ctangle is 54 inches.
#7 Write an equation that represents the situation. Explain any variable used.


#8 Solve the equation. Show your work. State your solution as a complete sentence.
Mathematics
1 answer:
emmainna [20.7K]3 years ago
7 0

Answer:

12 * 2 + x * 2 = 54

x = 15

x is 15

Step-by-step explanation:

12 * 2 + x * 2 = 54

24 + x * 2 = 54

-24              -24

x * 2 = 30

/2        /2

x = 15

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X + 2y – 4z = 1<br> -2x – 4y + 4z = 6<br> -4x – 3y – 4z = 21
elena55 [62]

Answer:

x = - 1

y = - 3

z = -2

Step-by-step explanation:

Please see steps in the image attached here.

6 0
3 years ago
Pete is saving money to buy a used car
Arlecino [84]

Answer:

450 per month

Step-by-step explanation:

5000-1400=3600

3600/8=450

Since Peter already has 1400 dollars saved you can subtract that form the total amount and since he is trying to get the rest in eight months you just divide the difference by eight.

7 0
3 years ago
Find the value of x. help please
Anni [7]
To find x just set this = to 180 bc is a supp angle so 58+x=180 and then subtract 58 from both sides 180-58=122 rewrite x=122
Hope this helps have a nice day!
8 0
3 years ago
Please help me. I don’t understand this either.
horrorfan [7]

Answer:

It's B

Step-by-step explanation:

because each bracelet is $3 and 3 is a factor of 9 because 3x3 = 9 :)

5 0
3 years ago
The length of a rectangular field is 4 m longer than its width.
Artyom0805 [142]
We know the perimeter is the sum of all sides. So lenght+length+width+width = 2length+2width.
Let's call the width x. If the length is 4m longer, then it's x+4.
We know the perimeter, so we can make an equation:
56=2x+2(x+4)
And solve from there:
56=2x+2x+8
56=4x+8
48=4x
48/4=x
x=12

The width, which is x, is 12 m. And the length, x+4, is 16 m.
You can check this is correct by calculating the perimeter using those values: 12+12+16+16=56.
7 0
3 years ago
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