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2 years ago

Determine the value of each ratio, to four decimal pointsa) cos 58°b) tan 23°

Mathematics

1 answer:

Anvisha [2.4K]2 years ago

5 0

Cos of 58 degree =0.5299

tan of 23 degree = 0.4244

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In Example 3, the track has 6 lanes that are each 1 meter in width. a. What is the outer perimeter of the track? Round your answ

son4ous [18]

Answer:

Incomplete question, check attachment for the necessary diagram

Step-by-step explanation:

Note in the attachment,

We have two identical straight line of lenght

L1 = L2 = 84.39m

We also have two identical semicircle or radius 36.5m to the first track lane

But this is not the radius of the circle, the radius of the circle will now be 36.5 plus the 6 track lane and we are told that one track lane is 1m, then, the track lane is 6m

So, radius = 36.5+6

r = 42.5m

Then, we need to calculate the perimeter of the semicircle using the formula of perimeter of a circle and dividing by2

P = 2πr/2

P =πr

P = 22/7 × 42.5

P = 133.57 m

Then, the arc 1 is equal to arc 2 which is equal to 133.57 m

A1 = A2 = 133.57 m

Now we have all the dimensions,

Then, the perimeter can be calculated by adding the length of the sides

The perimeter of the field = Lenght of the two straight lines plus the length of the two semicircle arc

P = L1 + L2 + A1 + A2

P = 84.39 + 84.39 + 133.57 + 133.57

P =435.923 m

So, to the nearest meter

P ≈ 436m

The perimeter of the track is 436m

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3 years ago

Can someone help solve

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When variables with exponents are divided by each other, you subtract the exponents.

For example:

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Answer:

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Step-by-step explanation:

5 cases in 2 3/8 hours

The unit rate of cases per hour is calculated by dividing the number of cases by the number of hours.

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3 years ago

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Ivahew [28]

Answer:

Step-by-step explanation:

u = kx + ух

First of all factorize x out at the right side of the equation

That's

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That's

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Answer:

Paris F, Abraham Lincoln belongs to none of these sets, and The Eiffel Tower is in more than one of these sets

Step-by-step explanation:

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3 years ago

Determine the value of each ratio, to four decimal pointsa) cos 58°b) tan 23°​

Determine the value of each ratio, to four decimal pointsa) cos 58°b) tan 23°