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3 years ago

What is the domain and range?

Mathematics

1 answer:

Shalnov [3]3 years ago

6 0

Answer:

domain= x axis range= y axis

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puteri [66]

Use the Pythagorean therm , you know the a^2+b^2=c^2

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3 years ago

A disk with radius 3 units is inscribed in a regular hexagon. Find the approximate area of the inscribed disk using the regular

Oksi-84 [34.3K]

Answer:

The approximate are of the inscribed disk using the regular hexagon is $A=18\sqrt{3}\ units^2$

Step-by-step explanation:

we know that

we can divide the regular hexagon into 6 identical equilateral triangles

see the attached figure to better understand the problem

The approximate area of the circle is approximately the area of the six equilateral triangles

Remember that

In an equilateral triangle the interior measurement of each angle is 60 degrees

We take one triangle OAB, with O as the centre of the hexagon or circle, and AB as one side of the regular hexagon

Let

M ----> the mid-point of AB

OM ----> the perpendicular bisector of AB

x ----> the measure of angle AOM

$m\angle AOM =30^o$

In the right triangle OAM

$tan(30^o)=\frac{(a/2)}{r}=\frac{a}{2r}\\\\tan(30^o)=\frac{\sqrt{3}}{3}$

$\frac{a}{2r}=\frac{\sqrt{3}}{3}$

we have

$r=3\ units$

substitute

$\frac{a}{2(3)}=\frac{\sqrt{3}}{3}\\\\a=2\sqrt{3}\ units$

Find the area of six equilateral triangles

$A=6[\frac{1}{2}(r)(a)]$

simplify

$A=3(r)(a)$

we have

$r=3\ units\\a=2\sqrt{3}\ units$

substitute

$A=3(3)(2\sqrt{3})\\A=18\sqrt{3}\ units^2$

Therefore

The approximate are of the inscribed disk using the regular hexagon is $A=18\sqrt{3}\ units^2$

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3 years ago

Determine the price of a $35 basketball that is on sale for 50% off the regular price.

alexira [117]

Answer:

$17.5

Step-by-step explanation:

50 is 1/2 of 100, so just divide 35 by 1/2

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3 years ago

I hope someone can helpp mee

almond37 [142]

Answer:

The figure moves up 3 and to the left 5.

Step-by-step explanation:

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3 years ago

Read 2 more answers

A fair spinner has 11 equal sections: 4 red, 4 blue and 3 green.

Darina [25.2K]

Answer:

24/121

Step-by-step explanation:

The probability of an event happening is the ratio of the number of possible outcome to the number of total outcome.

The probability of not getting green then green

= rg or bg

Where r is the probability of getting red, g is the probability of green and b is the probability of blue.

= 4/11 * 3/11 + 4/11 * 3/11

= 12/121 + 12/121

= 24/121

4 0

3 years ago

What is the domain and range?​

What is the domain and range?