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3 years ago

12

What is the standard form?

1 answer:

suter [353]3 years ago

5 0

34.12 thirty four=34 and=. twelve hundredths=.12

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One more question on this test guys. please answer as fast as possible. If you do,

GaryK [48]

1. The given rectangular equation is $x=2$ .

We substitute $x=r\cos \theta$ .

$r\cos \theta=2$

Divide through by $\cos \theta$

$r=\frac{2}{\cos \theta}$

$r=2}\sec \theta$

$\boxed{x=2\to r=2\sec \theta}$

2. The given rectangular equation is:

$x^2+y^2=36$

This is the same as:

$x^2+y^2=6^2$

We use the relation $r^2=x^2+y^2$

This implies that:

$r^2=6^2$

$\therefore r=6$

$\boxed{x^2+y^2=36\to r=6}$

3. The given rectangular equation is:

$x^2+y^2=2y$

This is the same as:

We use the relation $r^2=x^2+y^2$ and $y=r\sin \theta$

This implies that:

$r^2=2r\sin \theta$

Divide through by r

$r=2\sin \theta$

$\boxed{x^2+y^2=2y\to r=2\sin \theta}$

4. We have $x=\sqrt{3}y$

We substitute $y=r\sin \theta$ and $x=r\cos \theta$

$r\cos \theta=r\sin \theta\sqrt{3}$

This implies that;

$\tan \theta=\frac{\sqrt{3}}{3}$

$\theta=\frac{\pi}{6}$

$\boxed{x=\sqrt{3}y\to \theta=\frac{\pi}{6}}$

5. We have $x=y$

We substitute $y=r\sin \theta$ and $x=r\cos \theta$

$r\cos \theta=r\sin \theta$

This implies that;

$\tan \theta=1$

$\theta=\frac{\pi}{4}$

$\boxed{x=y\to \theta=\frac{\pi}{4}}$

6 0

3 years ago

Pls pls help ill give brainliest. the red is not part of it it was just how i screenshot it

Tresset [83]

Answer:

5.5 ft

Step-by-step explanation:

therefore if you cut 11 in half you get 5.5

3 0

2 years ago

A boat is travelling from point C toward point D which is on the shoreline. The shoreline is represented by the line through poi

amid [387]

I believe it B but I’m not quiet sure

7 0

3 years ago

Zach borrows $1910 at 2.6% simple interest per month. When Zach pays the loan back 3 years later, how much interest does Zach pa

mixas84 [53]

Answer:

$1884 I think

Step-by-step explanation:

$1910 - 2.6% = $1884

Sorry if it is wrong!

4 0

3 years ago

Read 2 more answers

Algebra math word problems

irga5000 [103]

26. 4 people went to the aquarium

27. $1.50 per game (subtraction property and division property)

7 0

3 years ago