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zzz [600]
2 years ago
10

Write and simplify an expression to represent the perimeter of the triangle shown. Then find the value of x if the perimeter is

45 feet.
Please help me out i just need to know what x=​

Mathematics
1 answer:
Pavlova-9 [17]2 years ago
7 0

Answer:

7

Step-by-step explanation:

x +4+2x+1+3x-2 = perimeter of triangle.

(6x +3)ft = perimeter

given perimeter = 45feet

hence,

6x + 3 = 45

6x = 42

x = 7

Hope it helped!! plz mark brainliest!! have a good day !! :)

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3 0
3 years ago
Make g the subject p=5gh
balandron [24]
When rearranging or transposing an equation, you always have to try and get the letter you want on its own by doing the opposite of each step on both sides. In this case it is g:

p= 5gh

Because g is being multiplied by 5 and h, you'd want to divide by 5 and h to get g on its own: (division is represented by the slashes / ).

p= 5gh/5h

Now you can cross off 5h completely from the right side of the equation because they cancel out.

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Because you did that, you have to do it on the other side too so that is why it is P/5h on the left.

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Hope that helped!!!
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