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mash [69]
3 years ago
15

What is one sixth of a straight angle?

Mathematics
2 answers:
Drupady [299]3 years ago
7 0
1/6 × 180°
30°

the answer is 30°
Morgarella [4.7K]3 years ago
3 0
A straight angle is 180°. divide this by 6 to find that 30° is 1/6th
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Write the sentence as a proportion.
Katarina [22]
The proportion would be something like 1.5/10 = .75/5
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What’s the perimeter?
pentagon [3]

Answer:

180

Step-by-step explanation:

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6 0
3 years ago
Which inequalities have no solution? Check all of the boxes that apply.
RUDIKE [14]

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Step-by-step explanation:

X>X

-4+X>-2+X

7 0
3 years ago
Evaluate the inverse trigonometric function Sin^-1(-1). Give answers in both radians and degrees.
grin007 [14]

Answer:

B) Sin^-1(-1) = 3pi/2 or 270°

D) Sin^-1(-1) = -pi/2 or -90°

Step-by-step explanation:

Sine function:

The sine function is -1 at 270º(-90º), which is 3pi/2 = -pi/2.

Inverse sine:

The input of the inverse sine function is a value, and the output are the angles which have the sine equal to the input.

Sin^-1(-1)

Angles for which the sine are -1, that is 3pi/2 or 270° and -pi/2 or -90°. Thus, options B and D are correct.

4 0
3 years ago
7. The bottom of a river makes a V-shape that can be modeled with the absolute value function,
hjlf

Answer:

If one buoy is placed 120 feet away from the left shore, then the distance of the second buoy from the left shore = 480

Step-by-step explanation:

Given that:

The absolute value function:

d(h) = \dfrac{1}{6}|h - 300| - 50

To calculate the position of the buoy where the river bottom is 20 feet below the surface, we equate the absolute value function to the negative value of 20 feet and then solve it for h.

d(h) = -20

d(h) = \dfrac{1}{6}|h - 300| - 50 = -20

Let us add the sum of 50 on both sides, then:

= \dfrac{1}{6}|h - 300| - 50+50 = -20+50

= \dfrac{1}{6}|h - 300| = 30

By multiplying 6 on both sides, we have:

|h - 300| = 30 (6)

|h - 300| = 180

We can attempt the above expression by rewriting it as two equations:

h - 300 = 180   or     h  - 300  = - 180

Let us add 300 to both sides from the two expressions above:

h - 300 + 300 = 180 + 300     or   h - 300 + 300   = -180  + 300

h = 480     or  h = 120

Thus, if one buoy is placed 120 feet away from the left shore, then the distance of the second buoy from the left shore = 480

8 0
3 years ago
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