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3 years ago

If cot 0 = tan 30° what is 0?

Mathematics

1 answer:

mote1985 [20]3 years ago

3 0

Answer

option C (60 degrees)

Step-by-step explanation:

solution attached in the picture

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K=1/2mv^2 solve for v

jeka94

Answer:

$v=\sqrt{\frac{2k}{m}}$

Step-by-step explanation:

$k=\frac{mv^{2}}{2}$

$2k=mv^2$

$\frac{2k}{m}=v^2$

$v=\sqrt\frac{2k}{m}$

8 0

4 years ago

Use the product rule to simplify sq root 147x^2

klio [65]

Answer:7x√3

Step-by-step explanation:

√147x^2

√49 (3) x^2

√7^2 ⋅ 3x^2

√7^2x^2 ⋅ 3

√(7x)^2 ⋅ 3

7x√3

3 0

3 years ago

Using suitable algebraic rule, calculate 105^2 -5^2

Harman [31]

Answer:

$\huge\boxed{\sf 11000}$

Step-by-step explanation:

$\sf 105^2 - 5^2\\\\Using\ Formula \ a^2 = b^2 = (a+b)(a-b)\\\\Here\ a = 105 \ and \ b = 5\\\\(105+5)(105-5)\\\\(110)(100)\\\\11000$

Hope this helped!

<h2>~AnonymousHelper1807</h2>

5 0

3 years ago

Read 2 more answers

The sum of 2 numbers is 18 and there difference is 6

uranmaximum [27]

Answer:

The two numbers are 6 and 12.

Step-by-step explanation:

So, let's start off, with x+y = 18 and x-y = 6.

Algebraically, we can add the above two equation sets, and we find out that 2x = 24, so x = 12. And then, it says the other number must be 6.

You start with a number that when added to the second number you will get 18 and when you subtract the second number from the first you will get 6. The difference between the above two results is 12.

So that difference of 12 is twice the second number; that means the second number is 6. And then using either of the given pieces of information, you can find that the first number is 12.

------------------------------------------------------

In conclusion:

6 + 12 = 18

12 - 18 = 6

7 0

3 years ago

T -10 -9 -8-7-6-5-4-3-2-1. 0 1 2 3 4 5 6 7 8 9

Ainat [17]

The correct answer is C !

7 0

4 years ago

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