3 years ago

In the diagram, LaTeX: \Delta ABC\cong\Delta DFE

Mathematics

1 answer:

leonid [27]3 years ago

8 0

Answer:

x = 13

y = 8

Step-by-step explanation:

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16.67% decrease in birds per weeks

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3 years ago

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3 years ago

TanA+tanB+tanAtanB=1 If A+B=45 degree

djyliett [7]

Answer:

See below

Step-by-step explanation:

$\tan A+\tan B + \tan A.\tan B = 1\\\\ \implies \: \tan A + \tan B = 1 - \tan A.\tan B \\ \\ \implies \: \frac{\tan A + \tan B}{ 1 - \tan A.\tan B } = 1\\ \\ \implies \: \tan (A + B) = 1 \\ \\ \implies \: \tan (A + B) =\tan 45 \degree \\ \\ \implies \: A + B = 45 \degree \\ \\ thus \: proved$

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3 years ago

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GaryK [48]

A. 1/5k - 2/3j and -2/3j + 1/5k

Step-by-step explanation:

Equivalent expressions are expressions that are the same even though they may appear different.When you plug in a value to represent a variable in these expression, they will give same answer when simplified.

1/5k - 2/3j and -2/3j + 1/5k you notice the operation signs in the terms has been maintained though the position of the terms shifted.

Learn More

Equivalent expressions :brainly.com/question/280220

Keywords: expressions, equivalent

#LearnwithBrainly

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3 years ago

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During a construction project, heavy rain filled construction cones with water. The diameter of a cone is 12 in. and the height

sergey [27]

Volume of a cone = πr^2(h/3)
r=6
h=27

v = π(6^2)27/3
v = π (36)(9)

v=π324 in. cubed
or
v=1,017.36 in. cubed

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3 years ago