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3 years ago

It’s 32 is just the circumference what is your diameter

Mathematics

1 answer:

Reil [10]3 years ago

5 0

Your diameter is 10.2 rounded

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HELP I NEED HELP ASAP

tatiyna

Answer:

D) 8x²-172x+120

Step-by-step explanation:

Length=2(-2x+20)+6

Width=-2x+20

(-4x+40+6)(-2x+20)

(-4x+46)(-2x+20)

8x²-80x-92x+920

8x²-172x+920

5 0

3 years ago

Cos (90-theta) • cosec90-theta) =tano. How?

denis-greek [22]

Answer:

______________________________________________________

TRIGONOMETRY IDENTITIES TO BE USED IN THE QUESTION :-

For any right angled triangle with one angle α ,

$\cos (90 - \alpha ) = \sin \alpha$ or $\sin(90 - \alpha ) = \cos\alpha$

$cosec \: (90 - \alpha ) = \sec\alpha$ or $\sec(90 - \alpha ) = cosec\:\alpha$

SOME GENERAL TRIGNOMETRIC FORMULAS :-

$\sin \alpha = \frac{1}{cosec \: \alpha }$ or $cosec \: \alpha = \frac{1}{\sin \alpha }$

$\cos \alpha = \frac{1}{\sec \alpha }$ or $\sec \alpha = \frac{1}{\cos \alpha }$

______________________________________________________

Now , lets come to the question.

In a right angled triangle , let one angle be α (in place of theta) .

So , lets solve L.H.S.

$\cos (90 - \alpha ) \times cosec(90 - \alpha )$

$=> sin\alpha \times \sec\alpha$

$=> \sin\alpha \times \frac{1}{\cos\alpha }$

$=> \frac{\sin\alpha }{\cos\alpha }$

$=> \tan\alpha$ = R.H.S.

∴ L.H.S. = R.H.S. (Proved)

3 0

3 years ago

Simplify. -(6x + 3y) - (x + y)

Arlecino [84]

Answer:

(-6x -3y ) -x-y

-6x-x-3y-y

5x +2y

7 0

3 years ago

What is 0.309 in word form

vovikov84 [41]

Point three-hundred and nine

zero point three-hundred and nine

7 0

3 years ago

Read 2 more answers

Janani ran for 60 minutes and traveled 5 miles. What is her rate per mile?

Diano4ka-milaya [45]

Answer:

6.67 miles per hour

Step-by-step explanation: Im 97.99% sure this is right!! :)

6 0

2 years ago