HELP ASAP FOR FAN N MEDAL N TESTIMONIAL :)

- Here_to_Help15

HELP ASAP FOR FAN N MEDAL N TESTIMONIAL :)

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- Here_to_Help15

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@Nnesha please tell me if this is correct or am i off track?

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- Here_to_Help15

My response vv

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- Nnesha

looks correct
bec we have to multiply x and y value by 4 to get new coordinates

- Here_to_Help15

So im all good ?? :D

- Nnesha

yes i think that's correct

- Here_to_Help15

Ok thanks :)

- Here_to_Help15

Can you help me with one more @Nnesha ?

- Nnesha

i have to go sorry

- anonymous

I want to help may I mass tag

- anonymous

@misty1212 @pooja195 @help_people @Diamond_Swag11 @sweetburger
@Sup??? @FlordiaSno @Donblue @Destinyyyy @Awolflover1 @eswinterfield @desuoverlord @gknight @geekfromthefutur @CLOBBER02 @audiiii @HazelLuv99 @Wolverine32 @whydoihavetosignup1 @whpalmer4 @Wxlfz @WingedArtist @raiders88 @Rhystic @ryamorgan284 @rvc @TheSmartOne @timo619 @Thatkid_marc @TylerMJ325 @Tigergirl101 @yanick @yomamabf @unicwaan @urbanmorgans @pooja195 @perl @Phebe @phfrye12 @pastahorse @parish7 @Xaze @ZDoubleM @chris215 @Caveman6264 @Caveman6264 @cadeneveah11 @Valpey @Victoria*Mendes @BlossomCake @barbdewysveck1 @billyjean @billyjean @bigboy229 @Blosson505 @Blosson505 @Babii_Angel @Nnesha @nincompoop @Nayef @Nixy @neelamali20 @NeedMath

- anonymous

@pooja195

- anonymous

lol a dog using a computer and typeing

- Here_to_Help15

Thanks guys but i already finished :)

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Is this Correct? @Data_LG2 @robtobey

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@sammixboo @whpalmer4

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@zepdrix @freckles

- anonymous

@keshaun455 i love dogs (Bark)

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@ybarrap

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@mathmath333

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@TheSmartOne

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:/

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@sourwing can you help?

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@freckles can you help?

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@Ashleyisakitty ?

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I just need to know if ^ is correct :/

- freckles

if the scale is a units =b other units
then in the picture it says x units
you multiply both sides by a/x and you have
x units=ba/x other units

- Here_to_Help15

So 39 feet correct?

- Here_to_Help15

39 ft *

- freckles

sounds great since 1cm=10ft
and multiplying both sides by the scaler number 3.9 we have
3.9 cm=3.9*10 ft

- Here_to_Help15

Ok thankss and please tell me you can help me with a couple more?

- freckles

sure

- Here_to_Help15

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@freckles

- freckles

ok you actually have 3 right triangles in the picture and some similar triangle action
|dw:1434334984001:dw|
let's try to find h

- freckles

|dw:1434335103474:dw|
maybe try to use the right triangle fact to solve for h

- freckles

actually doing that way you might be able to find the part b first (depending on how you solve)

- Here_to_Help15

Woah woah

- freckles

then from that you can find your part a

- freckles

are you there?

- Here_to_Help15

Yes im so sorry im multitasking

- freckles

Ok have you solved the system above?

- Here_to_Help15

Sorry i am not understanding this and trust me its not you its my brain, i cant comprehend these specific questions

- freckles

did you see all the right triangles in your picture?

- freckles

you had 3 right triangles

- Here_to_Help15

Yes

- freckles

that is where the 3 equations came from
Pythagorean theorem is what was used to get those equations

- freckles

|dw:1434336032289:dw|
these things I circled are both equal to h
if I set them equal to each other then I have two equations in terms of l^2 and m^2
and you can use elimination to solve the system for either m^2 or l^2
you might prefer to solve for m^2 by elimination the l^2 since m is the length you want to find in b

- freckles

\[\sqrt{l^2-4^2}=\sqrt{m^2-18^2} \\ \text{ \square both sides } \\ l^2 -4^2=m^2-18^2 \\ \text{ subtract } l^2 \text{ on both sides } \\ \text{ add } 18^2 \text{ on both sides } \\ 18^2-4^2=m^2-l^2 \\ 22^2=m^2+l^2 \text{ is the other equation }\]
do you see how this is setup for elimination on the l^2 thingy
you can add the equations and then solve for m

- Here_to_Help15

yes you are a little clearer,but if you dont mind im just gonna guess @freckles but thank you so much ! :)

- freckles

well I guess I'm not clear enough if you just want to guess

- freckles

pretend i have
a+b=c
and
a-b=d
if I add the equations I have
2a=c+d (the b got eliminated since +b-b=0)

- freckles

try adding your equations together above

- Here_to_Help15

@freckles you are doing everything right its me who doesn't

- Nnesha

it's okay if you get it wrong
like you said it's prep PRACTICE EXAM
exam/test/quiz aren't allowed

- Here_to_Help15

Yea yea sure but i dont want my teacher to see a humiliating practice score :/

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