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dexar [7]
3 years ago
6

Which number is irrational?

Mathematics
2 answers:
lilavasa [31]3 years ago
5 0
An irrational number is a number that cannot be expressed as a fraction for any integers

For example:
Square root of 9
Square root of 36
Pi
svlad2 [7]3 years ago
3 0

Answer:

Step-by-step explanation:

What are the numbers?

Irrational numbers are not rational. For example: pi, √2, √78, etc.

Irrational numbers can't be expressed as a fraction

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16^3x+8^x+6<br><br>Could you please give me the steps as well for this problem? ​
BARSIC [14]

Answer:

x = 2

Step-by-step explanation:

16^{3x} = 8^{x+6} \\2^{4(3x)} = 2^{3(x+6)} --> (16 = 2^{4} and 8 = 2^{3} )

2^{12x} = 2^{3x+18}

Since the base number is 2, the exponents must equal each other.

So:

12x = 3x+18

9x = 18

x = 2

8 0
3 years ago
The lengths of the diagonals of a rhombus are 4x and 8x. What algebraic expression gives the perimeter of the rhombus?
Marizza181 [45]

Answer:

Approximately 17.88x or 8x\sqrt{5}

Step-by-step explanation:

Use pythagorean formula. In a rhombus the diagonals bisect each other and they are perpendicular, so you could have a right triangle with legs of 2x and 4x, the hypoteneuse would then be \sqrt{(2x)^{2} +(4x)^{2} }= \sqrt{4x^{2} +16x^{2}} which is approximately 4.47x. In a rhombus all 4 sides are the same, so multiply that by 4 and you get the perimeter. 4(4.47x) = 17.88x  or if you simplify the radical instead it's 8x\sqrt{5}

4 0
3 years ago
scarlet is trying to find the height of a dam. she stands 90 meters away from the dam and records the angle of elevation to the
Harlamova29_29 [7]
Make a drawing with a right triangle.

The opposite side, y, is the height of the dam less 1.65 m

The base or adjacent side is 90 m

The angle between the two sides is 90 m.

Then tan (26) = y / 90

y = 90 tan(26) = 90 (0.4877) = 43.90 m

The height of the dam is 43.90m + 1.65m = 45.55 m
5 0
3 years ago
What is the gradient of the blue line Attachment below!!!!!!!!!!!
mr_godi [17]

Answer:

-3 Or 3 it could be any one of them

Step-by-step explanation:

-3 or 3

Rise/run so an

6 0
3 years ago
WHAT IS 11/6 simplified I CANT DO THIS MATH IT IS TOOOOO HARDDDDD JK IM JUST TO LAZY &gt;:( thanks
Lisa [10]

Answer:

its 11/6

Step-by-step explanation:

GCD of 11 and 6 is 1

Divide both the numerator and denominator by the GCD

11 ÷ 1

6 ÷ 1

Reduced fraction:  

11/6

5 0
3 years ago
Read 2 more answers
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