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lbvjy [14]
3 years ago
9

In which triangle is cos x = 5/8?

Mathematics
2 answers:
chubhunter [2.5K]3 years ago
8 0

Answer:

triangle D............

Aliun [14]3 years ago
7 0

Triangle B

cos \: x=  \frac{adj}{hyp}  =  \frac{5}{8}

If you need, always label your triangles!

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The blue shape is a dilation of the black shape. What is the scale factor of the dilation? Simplify your answer and write it as
mr_godi [17]

Answer:

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Step-by-step explanation:

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3 years ago
Explain how you got the answer
Gnoma [55]

Answer:

\huge\boxed{Center = (3,3),Radius = 2\sqrt{15} }

Step-by-step explanation:

<u><em>Given equation is</em></u>

x^2 + y^2 -6x-6y -42 = 0

Adding 42 to both sides

x^2 + y^2 -6x-6y = 42\\

Completing squares

x^2 -6x+y^2 -6x = 42\\(x)^2 - 2(x)(3) +y^2 - 2(y)(3) = 42

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(x-3)^2+(y-3)^2 = 42+9+9\\(x-3)^2 + (y-3)^2 = 60\\(x-3)^2  (y-3)^2 = (2{\sqrt{15})^2}

Comparing it with (x-h)^2+(y-k)^2 = r^2 where Center = (h,k) and Radius = r

We get:

Center = (3,3)

Radius = 2\sqrt{15}

7 0
3 years ago
How many times does 16 go into 20
natta225 [31]

only 1 time....because 20 divided by 16 is 1 r4
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