3 years ago

Is the simplified form of 2square root of 3 ⋅ square root of 12 rational?

Mathematics

1 answer:

viva [34]3 years ago

6 0

No

it is not rational

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Identify the ordered pair that represents the vector from A(1,6) to B(2, -3) and the magnitude of AB-

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Vector & Magnitude is (1,-9) & 9.0854 respectively! Correct option is

D) (1, -9), 182 * 9.0854

<u>Step-by-step explanation:</u>

Here we have , We have to Identify the ordered pair that represents the vector from A(1,6) to B(2, -3) and the magnitude of AB . Let's find out:

Vector that represents from A(1,6) to B(2, -3) is given by :

⇒ $AB = (2-1) i + (-3-6)j$

⇒ $AB = i -9j$ or ,

⇒ $AB = (1,-9)$

Now , Magnitude of vector AB is :

⇒ $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

⇒ $\sqrt{(2-1)^2+(-3-6)^2}$

⇒ $\sqrt{(1)^2+(-9)^2}$

⇒ $\sqrt{82}$

⇒ $9.0854$

Therefore , Vector & Magnitude is (1,-9) & 9.0854 respectively! Correct option is D) (1, -9), 182 * 9.0854

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3 years ago

Of the following, which is the solution to 2x2 − 5x = −8? the quantity negative five plus or minus i times the square root of th

aleksandrvk [35]

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looks like the second choice is correct.

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Hello,

I believe it is true.

Hope this helped!

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3 years ago

In ∆ABC acute angles are in the ratio 5:1, i.e. ∠BAC : ∠ABC = 5:1. If

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Answer:

x = 7

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10x = 9x + 7 ( subtract 9x from both sides )

x = 7

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3 years ago

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