3 years ago

Help me someone smart

Mathematics

1 answer:

nasty-shy [4]3 years ago

3 0

Answer:

18: b. y= -x+6

19: c. y-3=2(x-3)

Step-by-step explanation:

i hope this helps :)

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Use the Law of Cosines to determine the length of the third side of the triangle.

Alchen [17]

<u>Corrected Question</u>

Given a triangle with two sides 4.1 cm and 6.7cm and an Included angle of $35^\circ$ . Use the Law of Cosines to determine the length of the third side of the triangle.

Answer:

(D) 4.1cm

Step-by-step explanation:

Given a triangle with two sides 4.1 cm and 6.7 cm and an included angle of $35^\circ$ .

Using Law of Cosines

$a^2=b^2+c^2-2bc\cos A\\a^2=4.1^2+6.7^2-2*4.1*6.7\cos 35^\circ\\a^2=16.6958\\a=\sqrt{16.6958}\\a=4.09\\a \approx 4.1$ cm$

The correct option is D.

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Finger [1]

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expeople1 [14]

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How do you simplify 36 over 10

Studentka2010 [4]

Answer:

18/5

Step-by-step explanation:

36/10

First find a number that goes into both the two numbers.

...2 can go into both of them...

36 / 10

(÷2) (÷2)

18 / 5

Now we have to see if any other number goes in to these new numbers...

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