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Lina20 [59]
3 years ago
13

HELP ME PLS 10 point and a brainliest

Mathematics
1 answer:
morpeh [17]3 years ago
6 0

Answer:

( 2x - 1)

Step-by-step explanation:

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Estimate the quotient by rounding the expression to relate to a one-digit fact. Explain your thinking in the space below. 432 ÷
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Step-by-step explanation:

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(111²) how to solve it​
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Step-by-step explanation:

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Question 1 (1 point)
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Answer:

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Step-by-step explanation:

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An observer in a hot air balloon sights a building that is 50 m from the balloon's launch point. The balloon has risen 165 m. Wh
Kaylis [27]
Notice the picture,
recall your SOH, CAH, TOA
\bf sin(\theta)=\cfrac{opposite}{hypotenuse}
\qquad \qquad 
% cosine
cos(\theta)=\cfrac{adjacent}{hypotenuse}

\\ \quad \\
% tangent
tan(\theta)=\cfrac{opposite}{adjacent}

you have,
opposite side, 165
adjacent side, 50
and the angle

that means, we'll need Mrs. tangent
thus 
\bf tan(\theta)=\cfrac{opposite}{adjacent}\implies tan(\theta)=\cfrac{165}{50}
\\ \quad \\
 tan^{-1}\left[ tan(\theta) \right]=tan^{-1}\left[ \cfrac{165}{50} \right]
\\ \quad \\
\theta=tan^{-1}\left[ \cfrac{165}{50}\right]
\\ \uparrow  \\
 \textit{angle of elevation}\iff\textit{angle of depression}

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if two angles in one triangle are congruent to two angles in another triangle, then the third pair of angles must also congruent
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i believe the answer is true

Step-by-step explanation:

6 0
3 years ago
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