Convert degree into Radian that is 18 degree 12'

Mathematics

1 answer:

kiruha [24]3 years ago

4 0

Answer:

$\frac{\pi }{10}$ radians

Step-by-step explanation:

To convert degrees into radians, multiply the degrees with $\frac{\pi}{180}$ .

If you have 18 degrees:

$18*\frac{\pi}{180} = \frac{\pi }{10}$

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Two cube-shaped blocks are placed on a table. Both cubes have a mass of 3 kilograms. Cube 1 has a bottom surface area of 0.9 m²,

k0ka [10]

Answer:

The cube with surface area of 0.3 sq. meters will exert more pressure.

Step-by-step explanation:

Pressure is given by $P=\frac{mass*acceleration}{area}$

Since mass(m) and acceleration (a) for both the cubes are equal and the area varies, we will have to base our answer on the area.

In the formula for pressure, we can see that Pressure and Area are inverse of each other <em><u>(given mass * acceleration is constant, in this case).</u></em>

So the cube that will exert more pressure is the one with less surface area <u><em>(pressure and area are inverse of each other).</em></u>

Hence the cube with surface area of 0.3 sq. meters will exert more pressure.

8 0

4 years ago

What is the common ratio for this geometric sequence?

Anastasy [175]

Answer:

Step-by-step explanation:

$\text{The common ratio of a geometric sequence}\ a_n:\\\\r=\dfrac{a_{n+1}}{a_n}\\\\\text{We divide next term by the previous one.}\\\\r=\dfrac{9}{27}=\dfrac{9:9}{27:9}=\dfrac{1}{3}\\\\r=\dfrac{3}{9}=\dfrac{3:3}{9:3}=\dfrac{1}{3}\\\\r=\dfrac{1}{3}\\\vdots$