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3 years ago

Which of the following numbers are irrational? A.9/15 B.18 squared C.9 squared D.169 squared E. 78 squared

Mathematics

1 answer:

finlep [7]3 years ago

6 0

Answer is <span>A.9/15
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</span><span />

An irrational number cannot be expressed as a ratio between two numbers and it cannot be written as a simple fraction because there is not a finite number of numbers when written as a decimal.

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Graph y=2x+1 on a number line<br> Will give brainliest if right.

sdas [7]

This is the awnser too this one

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3 years ago

Simplify the expression: (3 − 7i)(2 − 5i).

Mandarinka [93]

Answer:

Step-by-step explanation:

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6-15i-14i+35i^2

6-15i-14i+35x(-1)

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3 years ago

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2 years ago

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A small cylindrical has a diameter of 18mm and a height 12mm. Determine the minimum surface area of a box that can hold a row of

dimaraw [331]

Answer:

The surface are of a box = 1186.92 mm²

Step-by-step explanation:

Given in question as :

Diameter of cylinder = 18 mm

The height of cylinder = 12 mm

The surface area of cylinder = ( 2× $\pi$ ×r×h) + (2× $\pi$ ×r²)

where R is the radius , R = $\frac{Diameter}{2}$ = $\frac{18}{2}$

Or Radius r = 9 mm

Or, The surface area of cylinder= ( 2× $\pi$ ×9×12) + 2× $\pi$ ×(9)²)

Or , The surface area of cylinder=(678.24) + (508.68)

Or ,The surface area of cylinder= 1186.92 mm²

Hence the surface are of a box = 1186.92 mm² Answer

5 0

3 years ago

1a. Tell whether the angles are adjacent or vertical. *

Anton [14]

Answer:

it is adjacent and the answer to 1b is 146

3 0

2 years ago