3 years ago

Please give me a step by step process of how to solve this...Identify m∠CFB.

1 answer:

7 0

Check the picture below.

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leva [86]

Looks like the equation is

$yy'+x=\sqrt{x^2+y^2}$

Substitute $u(x)=x^2+y(x)^2$ , so that $u'=2x+2yy'$ . Then the equation is the same as

$\dfrac{u'-2x}2+x=\sqrt u\implies u'=2\sqrt u\implies\dfrac{\mathrm du}{2\sqrt u}=\mathrm dx$

Integrate both sides to get

$\sqrt u=C\implies\sqrt{x^2+y^2}=C$

Given that $y(1)=\sqrt8$ , we have

$\sqrt{1^2+(\sqrt8)^2}=C\implies C=3$

so the solution is

$\sqrt{x^2+y^2}=3$

7 0

3 years ago

ad-work [718]

The answer is:
____________________________________________
[A]: Erin Naismith lives in Springfield, Massachusetts.

8 0

3 years ago

earnstyle [38]

1 h 3 min+1h 18 min+55 min +68 min= 63 min+78 min +55 min+68 min=
=264 min

264min*1h/60min=4.4 h
correct answer is 3d one

3 0

3 years ago

andrey2020 [161]

Answer:

I feel like its C or B

Step-by-step explanation:

6 0

2 years ago

vovangra [49]

Answer:

270m^3

Step-by-step explanation:

Area of the base times Hight. 9*5= 45 area of base 45*6= 270m

7 0

3 years ago