Please help thank you

Mathematics

1 answer:

Alja [10]3 years ago

8 0

Hello!

The answer is A)38°

Hope this helps!

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100 points !!! Please help

noname [10]

$DERIVATIVE \: \: OF \: \: \\ \: \: \: \: \:PARAMETRIC \: \: FUNCTIONS\\ \\ \\ x = a( \beta - \sin( \beta ) ) \\ y = a(1 - \cos( \beta ) \\ \\ \frac{dy}{d \beta } = a \sin( \beta ) \\ \\ \frac{dx}{d \beta } = a(1 - \cos( \beta ) \\ \\ \frac{dy}{dx} = \frac{a \sin( \beta ) }{a(1 - \cos( \beta ) } = \cot( \frac{ \beta }{2} ) \\ \\ \\ \frac{d^{2}y }{d {x}^{2} } = \frac{d}{dx} ( \ \ \cot ( \frac{ \beta }{2} ) ) = ( - \frac{1}{2} cosec ^{2} \frac{ \beta }{2} ) \times \frac{d \beta }{dx} \\ \\ \\ = (- \frac{1}{2} cosec^{2} \frac{ \beta }{2} ) \times \frac{1}{a(1 - \cos( \beta ) } \\ \\ \\ At \: \beta = \pi \\ \\ = ( - \frac{ 1}{2} {cosec}^{2}\frac{\pi}{2} ) \times \frac{1}{a(1 - \cos(\pi)) } \\ \\ = - \frac{1}{2} . {1}^{2} \times \frac{1}{a(1 - ( - 1))} \\ \\ \\ = - \frac{1}{4a} \: \: \: \: \: \: \: \: \: Ans.$

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2 years ago

PPLLZZ HELP ME IN THIS 2 QUESTIONS!

mestny [16]

1. The volume for prisim Q will be larger because the length is longer.

2. if the base is twice as large for prisim Q, the volume over all will be larger.

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2 years ago

What effect does inflation have on the prices of goods and services?

finlep [7]

Rising prices/ prices increases

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2 years ago

Read 2 more answers

You plant 40 seeds of a certain flower and 26 of them sprout. Find the experimental probability

vichka [17]

The experimental probability is equal to...

26 / 40

or...

0.65

Let me know if I'm wrong! :D

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