Check my answers please? see the attachment! thank you.

Question

anonymous · Answer

attachment

anonymous · Answer

http://openstudy.com/study#/updates/5293d9bbe4b0cf39caa36077

anonymous · Answer

plz help me

solomonzelman · Answer

1,2,3 are correct, I'm not sure about number 4.

anonymous · Answer

http://openstudy.com/study#/updates/5293d9bbe4b0cf39caa36077

solomonzelman · Answer

I am going on number 4, how do you get 46?

solomonzelman · Answer

YOu are correct.

solomonzelman · Answer

I thought triangle, sorry!

solomonzelman · Answer

All correct.

anonymous · Answer

lol I thought I was wrong haha its okay can u help me with 5?

solomonzelman · Answer

Yes, sure.

solomonzelman · Answer

$$A∆=\frac{Base \times height}{2}$$

solomonzelman · Answer

plug in your numbers.

anonymous · Answer

A= 19$$A=\frac{ 19 \times 11 }{ 2 }$$

anonymous · Answer

104.5?

solomonzelman · Answer

Yup!

anonymous · Answer

Thanks can you help me with the last one? i'm not good with radius?

anonymous · Answer

attachment

solomonzelman · Answer

$$A=π \times r^2,~~~~(you~~can~~use~~3.14~~for~~π)$$

anonymous · Answer

ok I got this $$A= 3.14\times 15^{2}$$

anonymous · Answer

is that correct equation?

anonymous · Answer

I think I got it wrong because my answer was 706.5

solomonzelman · Answer

yup!!

anonymous · Answer

really? thats the correct answer?

solomonzelman · Answer

For the area of the circle, yes.

anonymous · Answer

Alrighty Thanks!! big help! ;)

solomonzelman · Answer

Anytime!

anonymous · Answer

you still can help with more?

anonymous · Answer

attachment

solomonzelman · Answer

Anytime!

solomonzelman · Answer

I was disconnected, stupid Comcast...

anonymous · Answer

haha lol Its okay I'm not in a hurry

solomonzelman · Answer

supplementary angles add up to 180

solomonzelman · Answer

4y+7+9y+4=180
13y+11=180
y=13

anonymous · Answer

yes I know I need to figure out the equation :)

solomonzelman · Answer

9(13)+4=121

solomonzelman · Answer

It's $$4y+7+9y+4=180~~~~~(Nice~~pic)$$

solomonzelman · Answer

the angle 2 is 121

anonymous · Answer

oh my thanks, lol and  thanks for the pic ;)

solomonzelman · Answer

Anytime, (I am still hoping to find a helper that can explain something shortly and clearly to me, and can't. I aksed on yahoo, and kind of get it but......)

Have a good night.

anonymous · Answer

Ok if you have a question about math, I'm not good with algebra but I can see if I can help :D It's afternoon here

solomonzelman · Answer

f(x)=x^3+x+31

find the roots.

anonymous · Answer

Sorry I haven't gotten to that part yet :/