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3 years ago

1. Adjacent angles are two angles in the same plane with a common

Mathematics

1 answer:

stepan [7]3 years ago

4 0

Answer:

Adjacent angles are two angles in the same plane with a common <u>VERTEX</u> and a common <u>SIDE</u> but no common interior points.

Step-by-step explanation:

Adjacent angles share a common side on the same vertes, but they do not overlap each other.

In the attached image, ∠ABD is adjacent to ∠DBC, but ∠ABC is not adjacent to any of them.

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I'm confused please help

Vesnalui [34]

Carbon Dioxide: o2c
Water: h2o
Oxygen: o2

Water is h2o because there are 2 hydrogen molecules and 1 oxygen molecule.

h2 = 2 hydrogen molecules
o = 1 oxygen molecule

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4 years ago

What is the exponent in the power of 10?

Arisa [49]

X^10 the exponent would be 10

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3 years ago

See how temperature is San The high temperature in San Juan is 123° and the low temperature is -13°. What is the difference in t

storchak [24]

Answer:

110

Step-by-step explanation:

123 + -13 = 110

I tried.

hope that helps

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3 years ago

If csc ( x ) = 4, for 90 ∘ < x < 180, then sin ( x 2 ) = ? cos ( x 2 ) = ? tan ( x 2 ) = ?

svetlana [45]

Answer:

I'm assuming where you wrote x2, you meant 2x.

Anyway, if csc (x) = 2, since csc(x) = 1/sin(x), we know that 1/sin x = 2, so sin (x) = 1/2. Since sin2x + cos2x = 1, cos2x = 1 - sin2x, so cos x = √1 - sin2x. In this case, cos x = √ 1 - (1/2)2 = √(3/4) = (√3)/2. Finally, since sin x = opp / hyp , cos = adj/ hyp: sin x / cos x = (opp/hyp)/(adj/hyp) = opp/adj = tan x. So this means that tan x = sin x / cos x = 1/2 / √ 3 / 2 = 1/√3 = √3 / 3

At this point, all that is necessary is to use the double angle formulas for sin, cos, and tan.

sin (2x) = 2 sin x cos x = 2 (1/2) (√3/2) = √3 / 2

cos (2x) = cos2x - sin2x = (√3/2)2 - (1/2)2 = 3/4 - 1/4 = 1/2

tan (2x) = 2 tan x / (1 - tan2x) = 2 (√3 / 3) / ( 1 - (√3/3)2) = 2/√3 / (1 - 1/3) = 2/√3 / (2/3) = 3/√3 = √3

To sum up, sin (2x) = √4 / 2, cos (2x) = 1/2, and tan(2x) = ✓3.

Step-by-step explanation:

BRAIN LY FAST

MARK A BRAINLESS

5 0

2 years ago

If there are 5,280 feet in a mile, how many feet are in 2.6 miles?

Katen [24]

The correct answer is 13,728

Hope this helps!

8 0

3 years ago

Read 2 more answers