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Anika [276]
2 years ago
8

M

Mathematics
1 answer:
abruzzese [7]2 years ago
3 0

Answer:

в приложении к письму прикрепляю

Step-by-step explanation:

ооо с уважением Елена отправлено с моего т

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If the radius of a circle is 3 meters, how long is the arc subtended by an angle measuring 30°?
FromTheMoon [43]
Circumference of entire circle = 2 * PI * radius
2 * PI * 3 = <span> <span> <span> 18.8</span></span></span>5 meters
a 30 degree arc is (30/360) or 1/12 of a circle.
So the arc equals (18.85 meters / 12) or <span> <span> <span> 1.57</span></span></span> meters.


3 0
3 years ago
Weapon of math destruction trig. day 1
ivolga24 [154]

The questions are illustrations of trigonometry ratios and right triangles

  • The value of x is 11.8310
  • The tree is 23.3154 feet tall
  • The depth of the sub is 376.7770 meters

Trigonometry ratio

Trigonometry ratios are very useful in determining the measure of angles, and the side lengths of a right triangle.

<h3>Question 1</h3>

The value of x is calculated using the following sine trigonometry ratio

\sin(25) =\frac{5}{x}

Make x the subject

x =\frac{5}{\sin(25)}

This gives

x =11.8310

Hence, the value of x is 11.8310

<h3>Question 2</h3>

This question is illustrated by the first diagram in the attached figure

The height (h) of the tree is calculated using the following tangent trigonometry ratio

\tan(25) =\frac{h}{50}

Make h the subject

h = 50 \times \tan(25)

This gives

h = 23.3154

Hence, the tree is 23.3154 feet tall

<h3>Question 3</h3>

This question is illustrated by the second diagram in the attached figure

The depth (h) of the sub is calculated using the following tangent trigonometry ratio

\tan(37) =\frac{h}{500}

Make h the subject

h = 500 \times \tan(37)

This gives

h = 376.7770

Hence, the depth of the sub is 376.7770 meters

Read more about trigonometry ratios at:

brainly.com/question/6241673

8 0
3 years ago
PLEASE HELP with proving lines parallel
den301095 [7]
90 mins later we had to go to sleep for sub for two other people that were not
4 0
3 years ago
What's 9/5 divided by 14/15? im stuck
Varvara68 [4.7K]

Answer:

When you divide fractions, you multiply by the reciprocal, So, you would have 9/5 * 15/14 you can cancel,  and get 9/1 * 3/14, and end up with 27/14,

5 0
3 years ago
Which of the following is true for the interval from 3-5 seconds
kondaur [170]

Answer:

Option C

Step-by-step explanation:

The given function is: h(t)=-16t^2+80t+108.

h(5)=-16(5)^2+80(5)+108=108.

h(3)=-16(3)^2+80(3)+108=204.

The average rate of change of this function on the interval t=3 to t=5 is given by:

\frac{h(5)-h(3)}{5-3}

\frac{204-108}{2}=-48

Since the average rate of change is negative on the interval 3-5 seconds, it means the ball is moving downwards at an average rate of 48 feet per second.

The correct choice is C.

6 0
3 years ago
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