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3 years ago

2/5 to the third power

Mathematics

2 answers:

scoundrel [369]3 years ago

5 0

Answer:

$\frac{8}{125}$

Step-by-step explanation:

$\frac{2}{5} *\frac{2}{5} *\frac{2}{5} =\frac{8}{125}$

TEA [102]3 years ago

3 0

(2/5)^3=(2/5)*(2/5)*(2/5).

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Which angles intercept a 20 degree arc in a circle? Select all that apply.

marshall27 [118]

Answer:

b. A central angle of 20 degrees

d. An inscribed angle of 10 degrees

Step-by-step explanation:

The complete question is

Which angles intercept a 20 degree arc in a circle? Select all that apply.

a. A central angle of 10 degrees

b. A central angle of 20 degrees

c. A central angle of 40 degrees

d. An inscribed angle of 10 degrees

e. An inscribed angle of 20 degrees

f. An inscribed angle of 40 degrees

Verify each case

case a. A central angle of 10 degrees

we know that

Central angle is the angle that has its vertex in the center of the circumference and the sides are radii of it'

A central angle of 10 degrees, intercept a 10 degree arc in a circle (by central angle)

case b. A central angle of 20 degrees

we know that

Central angle is the angle that has its vertex in the center of the circumference and the sides are radii of it'

A central angle of 20 degrees, intercept a 20 degree arc in a circle (by central angle)

case c. A central angle of 40 degrees

we know that

Central angle is the angle that has its vertex in the center of the circumference and the sides are radii of it'

A central angle of 40 degrees, intercept a 40 degree arc in a circle (by central angle)

case d. An inscribed angle of 10 degrees

we know that

The inscribed angle is half that of the arc it comprises

An inscribed angle of 10 degrees, intercept a 20 degree arc in a circle

case e. An inscribed angle of 20 degrees

we know that

The inscribed angle is half that of the arc it comprises

An inscribed angle of 20 degrees, intercept a 40 degree arc in a circle

case f. An inscribed angle of 40 degrees

we know that

The inscribed angle is half that of the arc it comprises

An inscribed angle of 40 degrees, intercept a 80 degree arc in a circle

3 0

3 years ago

How do you solve this?

dalvyx [7]

P=2(L+W)
L=2/3x+10
W=1/3x+5
P=2(2/3x+10+1/3x+5)
P=2(2/3x+1/3x+10+5)
P=2(3/3x+15)
P=2(x+15)
P=2x+30

6 0

3 years ago

Can you draw trapezoid three right angles

Hunter-Best [27]

Its impossible to draw a trapezoid with just three right angles.

a trapezoid has 4 sides, which means all the angles inside the trapezoid must add up to 360 degrees.

if you have just 3 right angles (90x3), you already use up 270 degrees. Leaving you with just 90 degrees left, which is also a right angle. That means, there has to be four, if you have at least 3.

6 0

4 years ago

Find the value of 3<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D" id="TexFormula1" title="\sqrt{x}" alt="\sqrt{x}" align="abs

Alex

Answer:

The answer is

Step-by-step explanation:

3√x + 7

x = 25

Substitute the value of x into the expression

That's

3(√25) + 7

√25 = 5

So we have

3(5) + 7

= 15 + 7

Hope this helps you

8 0

4 years ago

Which of the following kitchen tool materials does NOT foster bacterial growth?

Yanka [14]

Answer:

<h2>Ceramic does not foster bacterial growth</h2>

Step-by-step explanation:

A good way to think and reason deeply about this is, most if not all toilet bowls are made of ceramics, this is so because ceramics when it dries out kills all hanging bacterial on its surface, hence does not easily permit the growth of bacteria on its surface.

Another wonderful application of ceramic is in the application of water treatment process, specifically in the use as a water filter to kill bacterial, hence it is evident that ceramic does not permit the growth of bacteria

8 0

3 years ago