2 years ago

What is the value of the angle marked with x? I will give Brainliest.

Mathematics

1 answer:

SpyIntel [72]2 years ago

7 0

Parallel lines add to 180 therefore x is 146

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If <img src="https://tex.z-dn.net/?f=x-12%5Csqrt%7Bx%7D%20%2B36%3D0" id="TexFormula1" title="x-12\sqrt{x} +36=0" alt="x-12\sqrt{

Elis [28]

Answer:

x = 36

Step-by-step explanation:

$x - 12\sqrt{x} + 36 = 0$

Subtract x and 36 from both sides.

$-12\sqrt{x} = -x - 36$

Divide both sides by -1.

$12\sqrt{x} = x + 36$

Square both sides.

$144x = x^2 + 72x + 1296$

Subtract 144x from both sides.

$0 = x^2 - 72x + 1296$

Factor the right side.

$0 = (x - 36)^2$

$x - 36 = 0$

$x = 36$

Since the solution of the equation involved squaring both sides, we musty check the answer for possible extraneous solutions.

Check x = 36:

$x - 12\sqrt{x} + 36 = 0$

$36 - 12\sqrt{36} + 36 = 0$

$36 - 12\times 6 + 36 = 0$

$36 - 72 + 36 = 0$

$0 = 0$

Since 0 = 0 is a true statement, the solution x = 36 is a valid solution.

6 0

3 years ago

4321342345670<br> +22347968

Ad libitum [116K]

the Answer is

4.3213647e+12

3 0

2 years ago

How much is 3/10 times 7

Fudgin [204]

Answer:

Step-by-step explanation:

7 0

3 years ago

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What is the mean of all three-digit positive integers whose digits are in the set 2, 0, 1, 9.

salantis [7]

The mean for these digits are 3

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2 years ago

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A square pyramid is shown below:

madreJ [45]

Let Surface Area A, a the base edge and h the height:

A = a²+2a√(a²/4+h²)

h=?

pythagorean theorem:

h²=c²-a²

h=√(c²-a²)

h=√(8²-(.7/2)²)= 8

plug it in the above equation A= 11.7ft²

So A is correct

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3 years ago

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