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Tresset [83]
3 years ago
9

Please help i dont know if my answer is right

Mathematics
2 answers:
Elan Coil [88]3 years ago
8 0

Answer:

I dont know what your answer is but...

I would say the answer is 153.

sveta [45]3 years ago
3 0

Answer:

The answer is D.117

Step-by-step explanation:

Supplementary angles equal 180°.

180-63=117

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What's the scale factor from AABC to ADEF?<br><br> A) 4/3<br> B) 3/4<br> C) 2/5<br> D) 5/2
guajiro [1.7K]

Answer:

D) 5/2

Step-by-step explanation:

Scale factor = AB/DE = 35/14 = 5/2

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2 years ago
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solniwko [45]

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Helppppppp! 15 points!
Vika [28.1K]

{\boxed{\mathcal{\purple{D.\:81}}}} ✅

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}

( {3})^{ \frac{11}{5} }  \div  {3}^{ \frac{ - 9}{5} }  \\  \\=(  {3})^{ \frac{11}{5} - ( \frac{ - 9}{5} ) }  \\ \\ = ( {3})^{ \frac{11}{5}   +  \frac{9}{5} }  \\ \\ = ( {3})^{ \frac{11 + 9}{5} } \\ \\  = ( {3})^{ \frac{20}{5} }  \\ \\  = ( {3})^{4}  \\ \\ = ( \: 3 \times 3 \times 3 \times 3 \: ) \\ \\ = 81

<u>Note</u>:-

{a}^{m}  \div  {a}^{n}  =  {a}^{m - n}

\sf\red{(-)\:x\:(-)\:=\:+}

\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{!}}}}}

4 0
2 years ago
Where does Pythagorean identities and also how it relates to the right triangles
Ostrovityanka [42]

Answer:

A pythagorean identity means that for any angle \theta, sin^2\theta+cos^2\theta=1.

This also means 1+tan^2\theta=sec^2\theta \mbox{ and } 1+cot^2\theta=csc^2\theta. The symbol, theta (\theta) represents one of the acute angles in the right triangle. The hypotenuse (familiarly c in the regular pythagorean theorem) is 1. The triangle base is cos\theta, and the height (side perpendicular to the base, making a right angle) is sin\theta. The angle theta is opposite the sin\theta side.

Step-by-step explanation:

The pythagorean theorem applies to right triangles, which always have a 90 degree angle. Pythagorean identities are used to simplify trigonometric expressions/evaluate trig functions and to find the trig ratios in a right triangle.

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(24,18)(28,21)
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