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1 year ago

The length of a field is 100 yards and its width is 75 yards. If 1 inch represents 25 yards, what would be the dimensioi

Mathematics

1 answer:

Ilia_Sergeevich [38]1 year ago

7 0

Answer:

b. 4 inches by 3inches.

Step-by-step explanation:

Length on the paper = 100/25 = 4 inches

Width on the paper = 75/25 = 3 inches.

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An arc with length 5 pi over 4 inches is formed by a 15 degree central angle what is the radius of the circle

Natalka [10]

Answer:

Radius of the circle is 15 inches.

Step-by-step explanation:

Relation between length of arc, radius and the angle subtended by the arc on center is:

$\theta = \dfrac{l}{r} ..... (1)$

where $\theta$ is the central angle in radians subtended by arc

$l$ is the length of arc

$r$ is the radius of arc

We are Given the following details:

$l = \dfrac{5\pi}{4}\ inch$

$\theta = 15^\circ$

We know that $\pi \ radians = 180 ^\circ$

Converting $\theta$ to radians:

$\theta =\dfrac{\pi}{180} \times 15$ radians

Putting the values of $\theta$ and $l$ to find the value of $r$

$\dfrac{\pi}{180} \times 15 = \dfrac{5\pi}{4r}\\\Rightarrow r = \dfrac{45}{3} \\\Rightarrow r = 15 \ inches$

Hence, Radius of the circle is 15 inches.

6 0

2 years ago

34(4a + 12) = 21 a = please find my answer

noname [10]

Answer: a = 2,84

Step-by-step explanation:

34(4a + 12) = 21 a =

136a + 408 = 21

136a = -408 + 21

136a = - 387

a = - 387

136

a = - 2,84

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2 years ago

2 + 2 = ? please help!

dybincka [34]

Answer:

Hope that this helps!

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2 years ago

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Pls help i will give brianliest

Blababa [14]

Answer:

b is the answer

Step-by-step explanation:

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2 years ago

The altitude of an airplane

kirill [66]

Answer:

it depends

Step-by-step explanation:

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2 years ago

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