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nikdorinn [45]
3 years ago
5

13

Mathematics
1 answer:
Elden [556K]3 years ago
5 0

Answer:

Distance between the 2 planes is 17.8km

The bearing of B from A is 162°

Step-by-step explanation:

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Help! Please! !!!!!!!!!!!!
asambeis [7]

Answer:

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Step-by-step explanation: what is your question

5 0
2 years ago
HELP PLEASE ILL GIVE BRAINLIEST
user100 [1]

first 1 because it saws less than or equal to 175

3 0
3 years ago
6. A sector of a circle is a region bound by an arc and the two radii that share the arc's endpoints. Suppose you have a dartboa
Aliun [14]

Given the dartboard of diameter 20in, divided into 20 congruent sectors,

  • The central angle is 18^\circ
  • The fraction of a circle taken up by one sector is \frac{1}{20}
  • The area of one sector is 15.7in^2 to the nearest tenth

The area of a circle is given by the formula

A=\pi r^2

A sector of a circle is a fraction of a circle. The fraction is given by \frac{\theta}{360^\circ}. Where \theta is the angle subtended by the sector at the center of the circle.

The formula for computing the area of a sector, given the angle at the center is

A_s=\dfrac{\theta}{360^\circ}\times \pi r^2

<h3>Given information</h3>

We given a circle (the dartboard) with diameter of 20in, divided into 20 equal(or, congruent) sectors

<h3>Part I: Finding the central angle</h3>

To find the central angle, divide 360^\circ by the number of sectors. Let \alpha denote the central angle, then

\alpha=\dfrac{360^\circ}{20}\\\\\alpha=18^\circ

<h3>Part II: Find the fraction of the circle that one sector takes</h3>

The fraction of the circle that one sector takes up is found by dividing the angle a sector takes up by 360^\circ. The angle has already been computed in Part I (the central angle, \alpha). The fraction is

f=\dfrac{\alpha}{360^\circ}\\\\f=\dfrac{18^\circ}{360^\circ}=\dfrac{1}{20}

<h3>Part III: Find the area of one sector to the nearest tenth</h3>

The area of one sector can be gotten by multiplying the fraction gotten from Part II, with the area formula. That is

A_s=f\times \pi r^2\\=\dfrac{1}{20}\times3.14\times\left(\dfrac{20}{2}\right)^2\\\\=\dfrac{1}{20}\times3.14\times10^2=15.7in^2

Learn more about sectors of a circle brainly.com/question/3432053

8 0
2 years ago
A kitchen sink holds 24 gallons of water. A full sink drains at 3 gal
Bess [88]
Letter D is the answer. Good luck!
6 0
3 years ago
-2ab<br> ———<br> a + b<br> (if a = 8 and b = -4)
Zinaida [17]

Answer:

The answer is 16.

Step-by-step explanation:

First you need to substitute the letters with the number.

<h2>1 <u>-2ab </u> =  -2(8)(-4)= 64  -2(8)=-16 -16(-4)=64</h2><h2>  8-4= 4      64/4= 16</h2>
4 0
3 years ago
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