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Sedbober [7]
3 years ago
10

The distance in nautical miles that you can see with a periscope is 1.17 times the square root of h, where h is the height of th

e periscope above the water, measured in feet. Can you see twice as far with a periscope that is 6 feet above the water than with a periscope that is three feet above the water? Explain.
Mathematics
2 answers:
IceJOKER [234]3 years ago
6 0

Answer:

So with the periscope raised to 4 feet above the surface, the horizon is 2 nm ... As I recall the rough thumb rule was that distance to the horizon in nautical miles is the square root of height of eye ... feet can be seen from the surface of the water at 10 miles, or by a periscope ... The closer you get, the more of the ship you see.

Step-by-step explanation:

zhuklara [117]3 years ago
6 0
I seen you got the answer , so I’m just stopping by to say hi
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4 years ago
Which of the following statements is true about the graph and the shading of the inequality
andreyandreev [35.5K]

Answer:

The graph is a solid line, and the shading is above the line.

Step-by-step explanation:

Given

x + y \ge 1

Required

Describe the graph of the inequality

We have:

x + y \ge 1

Subtract x from both sides

y \ge 1-x

The sign \ge implies that the graph has a solid line

The sign \ge which means greater than or greater also implies that the upper region is shaded

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3 years ago
The sides of an isosceles triangle have lengths of 10, 10, and 4. Find the measures of the base angles.
kotegsom [21]

Answer:

The base angles measure 78.46 degrees to the nearest hundredth.

Step-by-step explanation:

Applying the Cosine Rule:

10^2 = 10^2 + 4^2 - 2.4.10cosX     where X is a base angle.

cos X = (100 - 100 - 16)/ (-80)

cos X = -16/-80

cos X = 0.2

X = 78.463 degrees

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3 years ago
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jeyben [28]

Answer:

C. 36.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The lengths of the diagonals of a rhombus are 2x and 10x. What expression gives the perimeter of the rhombus?
True [87]

Answer:

P=4x\sqrt{26}\ units

Step-by-step explanation:

we know that

The sides of a rhombus are all congruent and the diagonals are perpendicular bisectors of each other

so

Applying the Pythagorean Theorem

c^2=a^2+b^2

where

c is the length side of the rhombus      

a and b are the semi-diagonals

we have

a=2x/2=x\ units\\b=10x/2=5x\ units

substitute the values

c^2=x^2+(5x)^2

c^2=26x^2

c=x\sqrt{26}\ units

To find out the perimeter of the rhombus multiply the length side by 4

P=(4)(x\sqrt{26})

P=4x\sqrt{26}\ units

6 0
4 years ago
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