2 years ago

Can somebody help me out

Mathematics

1 answer:

Alex_Xolod [135]2 years ago

7 0

First one is C (18 sq units)

Second one is A (12sq2 units)

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Answer:

15arctan(72°)

Step-by-step explanation:

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3 years ago

A father and his daughter together weigh seven times the daughter's weight x. The father weighs 180 lbs. Which equation can be u

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180+x=7x because the father plus the daughter is equal to 7 times her weight which is x?

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Natali5045456 [20]

Answer:

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2(h-8)-h=h-16

step 1 distribute 2 to whats in the parenthesis

2h-16-h=h-16

step 2 combine like terms

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3 years ago

What does it mean to use the cosine value of an inverse of tan θ?

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Answer:

$\boxed{ \begin{array}{ccc} \displaystyle \theta = {120}^{ \circ} \\ \displaystyle\sin( {120}^{ \circ} ) = \frac{ \sqrt{3} }{2} \end{array}}$

Step-by-step explanation:

we are given a inverse trig

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in that case we can consider using unit circle in unit circle the value of arctan (-√3)=120°

therefore,

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likewise by unit circle the value of sine is

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