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oee [108]
4 years ago
15

Danielle and Erin live on the same street. Danielle lives at number 13. If Danielle's house is 5 less than 3 times Erin's house

number, write and solve an equation to find Erin's house number
Mathematics
1 answer:
kodGreya [7K]4 years ago
7 0
D=13
d=-5+3 times erin
13=3e-5
add 5 to both sides
18=3e
divide by 3
6=e
erin=3
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3 years ago
Provides a unique set of guidelines that can be applied to any triangle. The guidelines demonstrate a clear understanding of app
Oksi-84 [34.3K]

we can have a triangle  and we know that there are two angles. 

30º and a 45º + 105 =180º angle. applying the sides. 

therefore if we have the whole triangle completed we have a constant triangle. 


so it tell us we can you’se SOH CAH TOA 

we can varrify what kind of triangle we are using. 


for example if we were to use  Sin I would do 


Sin 30/ 2 = sin of 105º/ A = sin=45º/ B


if you would want to solve for  sin 30/2 and sin 105, then we solve. 

 

or Sin 30/2  and Sin 105 as well. 


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5 0
3 years ago
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