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vekshin1
2 years ago
12

I am trying to join Brainly for my daughter, she is in the 5th grade and has a hard time. For some reason i am not able to make

a account. Can you please help me with this?
Mathematics
1 answer:
stiv31 [10]2 years ago
5 0

Answer:

The only way to make a question is if you have an account unless you want to make another account i think you have to log out and make a new account or go into a different device and make a new account for her.  

Step-by-step explanation:

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(10.02)
melisa1 [442]

Answer:

sin O=\dfrac{3\sqrt{13}}{13}\\cos O=\dfrac{2\sqrt{13}}{13}\\tan O=\dfrac{3}{2}

Step-by-step explanation:

If the point (2,3) is on the terminal side of an angle in standard position.

Adjacent of O, x=2,

Opposite of O, y=3

Next, we determine the hypotenuse, r using Pythagoras Theorem.

Hypotenuse =\sqrt{Opposite^2+Adjacent^2} \\r=\sqrt{3^2+2^2} \\r=\sqrt{13}

Therefore:

sin O=\dfrac{Opposite}{Hypotenuse} \\sin O=\dfrac{3}{\sqrt{13}} \\$Rationalizing\\sin O=\dfrac{3\sqrt{13}}{13}

cos O=\dfrac{Adjacent}{Hypotenuse} \\cos O=\dfrac{2}{\sqrt{13}} \\$Rationalizing\\cos O=\dfrac{2\sqrt{13}}{13}

Tan O=\dfrac{Opposite}{Adjacent} \\tan O=\dfrac{3}{2}

4 0
3 years ago
Find the perimeter of the rectangle with a A. 11 in. B. 22 in. C. 28 in. D. 56 in.
Gnesinka [82]

Answer:

B.22

Step-by-step explanation:

4+4+7+7=22

4 0
3 years ago
Read 2 more answers
Is this polygon regular or irregular?<br><br><br> irregular <br> regular
tatuchka [14]

Answer: irregular

Step-by-step explanation:

it is irregular because its sides are not equal

7 0
3 years ago
Read 2 more answers
Help me out here pleaseeeeeeeeee
patriot [66]
Just multiply 1/4 times 6
5 0
2 years ago
Can someone help me please also can u check my page for the recent photos to get answers please
juin [17]

Answer

Step-by-step explanation:

When 9 2/3 is written simplest radical form,the value remain under radical is number 3.

5 0
2 years ago
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