All categories

2 years ago

Solve each of the following equations for xx using the same technique as was used in the Opening Exercise.

Mathematics

1 answer:

devlian [24]2 years ago

7 0

Answer:

The solve of this equation is X = 4,06

Step-by-step explanation:

To solve this formula:

2 ( X² - 16) = 1

You must use the distributive law of multiplication, thus:

2X² - (16×2) = 1

2X² - 32 = 1

2X² = 1 + 32

X² = 33/2

X² = 16,5

X = √16,5

X ≈ 4,06

Thus, the solution of this equation is:

X ≈ 4,06

I hope it helps!

You might be interested in

Look at the image. (calculus)

mash [69]

<h3>Answer: Choice H) 2</h3>

=============================================

Explanation:

Recall that the pythagorean trig identity is $\sin^2 x + \cos^2x = 1$

If we were to isolate sine, then,

$\sin^2 x + \cos^2x = 1\\\\\sin^2 x = 1-\cos^2x\\\\\sin x = \sqrt{1-\cos^2x}\\\\$

We don't have to worry about the plus minus because sine is positive when 0 < x < pi/2.

Through similar calculations, $\cos x = \sqrt{1-\sin^2x}\\\\$

Cosine is also positive in this quadrant.

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

So,

$\frac{\sqrt{1-\cos^2x}}{\sin x}+\frac{\sqrt{1-\sin^2x}}{\cos x}\\\\\frac{\sin x}{\sin x}+\frac{\cos x}{\cos x}\\\\1+1\\\\2$

Therefore,

$\frac{\sqrt{1-\cos^2x}}{\sin x}+\frac{\sqrt{1-\sin^2x}}{\cos x}=2$

is an identity as long as 0 < x < pi/2

5 0

1 year ago

Read 2 more answers

Does 4 = 2+2 it seem like I'm really dumb but, trust me this is really hard

igomit [66]

Answer:

Yes it does

Sorry I need 20 characters so 2+2=4 there you go

5 0

2 years ago

Read 2 more answers

Is this a valid experimental design? A. B. C. D.

Marrrta [24]

Answer: d

Step-by-step explanation: None needed

6 0

2 years ago

Read 2 more answers

What is the long Division rhyme to help you solve?

Murljashka [212]

Answer:

The steps are more or less the same, except for one new addition:

1. Divide the tens column dividend by the divisor.

2. Multiply the divisor by the quotient in the tens place column.

3. Subtract the product from the divisor.

4. Bring down the dividend in the one's column and repeat it.

Step-by-step explanation:

8 0

2 years ago

What is the cube root of 27? A.3 B.4 C.5 D.6

frosja888 [35]

It will be 3 cause 3 cubed is 27

4 0

3 years ago

Read 2 more answers