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2 years ago

5

linda races her bicycle for 132 ft. a wheel of her bicycle turns 33 times as the bicycle travels the distance. what is the diame

ter of the wheel

1 answer:

fiasKO [112]2 years ago

4 0

The diameter is uh I think it’s uh a carrot

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Verify that (cos²a) (2 + tan² a) = 2 - sin² a....<br>

Sveta_85 [38]

Trigonometric Formula's:

$\boxed{\sf \ \sf \sin^2 \theta + \cos^2 \theta = 1}$

$\boxed{ \sf tan\theta = \frac{sin\theta}{cos\theta} }$

Given to verify the following:

$\bf (cos^2a) (2 + tan^2 a) = 2 - sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf (cos^2a) (2 + \dfrac{sin^2 a}{cos^2 a} )$

$\texttt{\underline{apply distributive method}:}$

$\rightarrow \sf 2 (cos^2a) + (\dfrac{sin^2 a}{cos^2 a} ) (cos^2a)$

$\texttt{\underline{simplify the following}:}$

$\rightarrow \sf 2cos^2 a + sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf 2(1 - sin^2a ) + sin^2 a$

$\texttt{\underline{distribute inside the parenthesis}:}$

$\rightarrow \sf 2 - 2sin^2a + sin^2 a$

$\texttt{\underline{simplify the following}} :$

$\rightarrow \sf 2 - sin^2a$

Hence, verified the trigonometric identity.

7 0

2 years ago

Read 2 more answers

For the first part of the obstacle course, Helena needs to sprint as fast as she can to Checkpoint A, which is 5 units north of

andrew11 [14]

Answer:

If the four number sentences at the bottom are the choices for your answer the correct one would be choice A or 1.

I hope this is what you meant if not I'll try to take my answer down and try to answer it again correctly!

5 0

2 years ago

In order to join a flying club,there is a $200 annual fee and $20 a month fee to maintain the flying club runaway.Write an equat

Fudgin [204]

Answer:

The equation modelling the situation is $T=200+20m$ .

After <u>10 months</u> the cost would be $400.

Step-by-step explanation:

Given:

Annual Fee of flying club = $200

Monthly fee = $20

We need to write an equation for total cost.

Solution:

Let the number of months be denoted 'm'

Let Total cost be denoted by 'T'

Now we can say that:

Total cost is equal to sum of Annual Fee of flying club plus Monthly fee multiplied by number of months.

framing in equation form we get;

$T=200+20m$

Hence The equation modelling the situation is $T=200+20m$ .

Now given:

We need to find the number of months when total cost will be $400

So we will substitute T= 400 in above equation.

$200+20m=400$

Subtracting both side by 200 we get;

$200+20m-200=400-200\\\\20m=200$

Dividing both side by 20 we get;

$\frac{20m}{20}=\frac{200}{20}\\\\m=10 \ months$

Hence After <u>10 months</u> the cost would be $400.

6 0

3 years ago

g100num [7]

A, 3x5=15 and 3x8=24

4 0

3 years ago

Read 2 more answers

James is using cement to make a new sidewalk and new steps.

Tasya [4]

Answer:

yeah im making A new sidewalk into hell

Step-by-step explanation:

3 0

2 years ago