3 years ago

What is the measure of the inscribed angle ABC if the measure of the arc, which this angle intercepts is:

Mathematics

1 answer:

Margaret [11]3 years ago

5 0

I believe the answer should be A

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An airplane spots the floating debris at an angle of depression of 15 degrees. If the plane is at an altitude of 3000. Feet, wha

hodyreva [135]

Answer:

11196.15 km

Step-by-step explanation:

Consider the attached diagram

If the Airplane is at point A and the floating debris at point C, we want to determine the horizontal distance |AB| before they fly over it.

Using trigonometry

$Tan \alpha =\frac{Opposite}{adjacent} \\Tan 15 =\frac{3000}{|AB|}$

Cross multiply

|AB|X Tan 15 =3000

|AB| = $\frac{3000}{Tan 15}$ =11196.15 km

Therefore, the horizontal distance |AB| before they fly over it is 11196.15 km

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3 years ago

A gyroscope of radius 18 centimeters rotates 35 times per minute. Find the linear velocity of a point on the edge of the gyrosco

Keith_Richards [23]

In one full rotation/revolution, a point on the edge travels a distance equal to the circumference of the gyroscope, or 2π (18 cm) = 36π cm. Convert the angular speed, 36π cm/rev, to linear speed:

(36π cm/rev) • (35 rev/min) = 1260π cm/min ≈ 3958 cm/min

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3 years ago

What expression is equivalent to 3x + 10 - x + 12

harkovskaia [24]

Answer:

2x +22

Step-by-step explanation:

3x + 10 - x + 12

Combine like terms

3x-x + 10+12

2x +22

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3 years ago

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Jenna bought a gallon of milk at the store for $3.58. About how much change did she receive from a $20 bill?

lesya [120]

If you calculate 20-3.58 the answer is $16.42

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3 years ago

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Denver, Colorado, is

blondinia [14]

Answer:

0.982 mile

Step-by-step explanation:

1 mile = 5280 ft

h = (5183ft) *(1 mile/5280ft) = 0.982 miles

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3 years ago