Does a sheet of paper accurately represent a plane?

1 answer:

6 0

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Fill in the missing work and justification for step 2 when solving 3(x + 2) = 12.

liq [111]

Answer:

Step-by-step explanation:

3(x+2)=12

Distribute:

3x+6=12

Subtract:

3x+6-6=12-6

3x=6

Divide:

x=2

4 0

3 years ago

Find the roots of each equation by factoring

Korolek [52]

Answer:

x=7 x=-7

Step-by-step explanation:

Solution is attached.

7 0

3 years ago

How to find the general solution to y"'+2y"-4y'-8y=0?

S_A_V [24]

$y'''+2y''-4y'-8y=0$

has characteristic equation

$r^3+2r^2-4r-8=r^2(r+2)-4(r+2)=(r^2-4)(r+2)=(r-2)(r+2)^2=0$

which has roots at $r=\pm2$ . The negative root has multiplicity 2. So the general solution is

$y=C_1e^{2x}+C_2e^{-2x}+C_3xe^{-2x}$

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3 years ago

A lighthouse has a shadow that is 36 feet long.

VLD [36.1K]

To find this it would be 36/3=4/x
Then cross multiply
36*4/3
That’s the answer

5 0

3 years ago

Read 2 more answers

You are asked to draw a triangle using three of the following angles: 0°, 30°, 45°, 55°, 60°, 80°, 90°, 105°. Which triangle can

mart [117]

The answer is D. All you have to do is add all of the angles for each choice you're given. It has to add up to exactly 180, because every triangle is 180 degrees.

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3 years ago