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s344n2d4d5 [400]
3 years ago
10

I dont understand how to do this​

Mathematics
1 answer:
tamaranim1 [39]3 years ago
3 0

Answer:

Step-by-step explanation:

2.

AE=2BD

4x+14=2(4x+5)

4x+14=8x+10

8x-4x=14-10

4x=4

x=1

5.2

AB+ED=2FC

AB+36=2×20

AB=40-36=4

next.

m∠J+m∠N=180

6x+5+9x+20=180

15x=155

3x=31

x=\frac{31}{3}

∠N=9x+20=31×3+20=93+20=113

∠M+∠N=180

∠M+113=180

∠M=180-113=67°

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A metal plate, with constant density 5 g/cm^2, has a shape bounded by the curbe y = x^2 and the x-axis, with 0&lt;= x &lt;= 3 an
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4 years ago
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