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Congratulations! I'm sure you'll be able to make that 1000 a 2000 in no time! Good luck :D

You'll catch up! EP has been here for waaaaaaay longer than you!

I think it is 12.

 only try to post a few or a single questions at a time, please

ops, i messed up again:( just can't beat EP (*sighs*)

Number of stairs = n     when divided by 4      remainder = 3 

                                                                 5     remainder = 2

n> 10

Let's start by looking at the 5 remainder 2      =     12    17    22    27    32

    27 divided by 4 leaves a reamiander of 3 

Part B     CD = 8.6 in

Part C     triangle ends (two of them)       two x  1/2 x 3 x 4 in^2

               Back rectangle   3 x 8.6   in^2

               Bottom    4 x 8.6 in^2

               Slanted rectangle   5 x 8.6 in^2

 Add the REDs = ......... in²

I don't know how

Yes I am! :D

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)      In you question  a = 3      b = 9    c = -13

\(x = {-9 \pm \sqrt{9^2-4(3)( -13)} \over 2(3)}\)

Solve the rational equation by combining expressions and isolating the variable y.

y=3x^2+9x−13

Hope this helps, whymenotsmart^m^.

cal the great, you're back!!:)

I have no clue if this is correct, but I'll give it a shot:

We know Angle A is 34 degrees, and we know angle E is a right angle, making Angle E 90 degrees.

A triangle can only be 180 degrees in total, so 180 - (34+90) = 55.

Angle B is 55 degrees. Angle E is 90 degrees.

90 + 55 = 145.

This means that Angle D is 180-145 = 35 degrees.

Angle D is 35 Degrees.

Though I may be incorrect because of the internal/external angles... idk tho

Try finding angle EBA, then finding D!

Part A: Net B

Part B: AB: 3, BC: 5, CD: 5

Part C: 3*4+5(3+4+5)=12+5(12)=12+60=72.

To solve this:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(−2,2)

Equation Form:

x=−2,y=2

Hope this helps, whymenotsmart^m^.

y=x+4 multiplied by 3 is 3y=3x+12. We can subtract the second equation from the first to get 0=5x+10. Then we solve for x.

0=5x+10

5x=-10

x=-2

Then we plug x=-2 into either of the equations to find y. y=x+4 will be simpler to work with so:

y=x+4

y=-2+4

y=2

Therefore x=-2, y=2.

Hint: calculate angle AED and BEC first.

No, I don't think he forgot it! Do you see why? Because he thought the question asker should  easily get the 2nd step! 12 - 5.25 =6.75 yellow paint!

thank you! i got it now. sorry i will proofread next time 

Did you directly copy it from somewhere else without proofreading over it?

Please do not, because the LaTeX may mess up.

Let length = L, width = W, height = H.

\(2(LW + WH + HL) = 100\\ L = 2W\\ L = H - 3\)

Changing the subjects of the second and third equations,

\(W = \dfrac L2\\ H = 3 + L\)

Substituting these into the first equation:

\(2\left(L \cdot \dfrac L2 + \dfrac L2 \cdot (3 + L) + (3 + L) \cdot L \right) = 100\\ L^2 + 3L(3 + L) = 100\\ 4L^2 + 9L - 100 = 0\)

Solving by quadratic formula gives \(L = 4\)

I believe you can work out the width and the height from here.  

Thought I did....

 here is more....    the sticker takes up 2 1/2 inches  of 3 3/4 inches   leaving   1 1/4 inches not covered by sticker

     divide this  1 1/4 inches in two .... this will be the amount of space on each side of the sticker to the edge   1 1/4  / 2  = 5/4 / 2 = 5/8 inch