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Anna007 [38]
4 years ago
11

During a night flight, you observe a steady red light and a flashing red light ahead and at the same altitude. What is the gener

al direction of movement of the other aircraft?
a) The other aircraft is crossing to the left
b) The other aircraft is crossing to the right
c) The other aircraft is approaching head-on
Computers and Technology
1 answer:
grin007 [14]4 years ago
8 0

Answer:

a) The other aircraft is crossing to the left

Explanation: An aircraft is any vehicle such as an airplane that is able to fly in the air through the support of the air. Aircrafts usually overcome the force of gravity fr it to be able to sustain it's long movement in the air. An aircraft can either be an airplane or a balloon etc.

One of the traffic signals of the air flight system is that if an aircraft is flashing and steady red light ahead at the same altitude,it means the airplane is crossing left.

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350 square feet requires 1 gallon of paint. Assign gallons_paint with the amount of paint required for wall_area. Sample output
Marina CMI [18]
Here's a solution in node.js. Can be easily transcribed to other languages:

var paint_per_sqf = 1/350;
var wall_area = 250.0;
var gallons_paint = wall_area * paint_per_sqf;

console.log(wall_area.toFixed(1) + " square feet wall will need:");
console.log(gallons_paint.toFixed(12) + " gallons of paint");


4 0
3 years ago
If you are uploading files you plan to edit online, you will need to convert them to Google Drive format. T or F
Amiraneli [1.4K]

Answer:

save as a word document (.docx) to keep editing offline then copy and paste into the google doc

5 0
3 years ago
n a​ poll, 6767​% of Internet users are more careful about personal information when using a public​ Wi-Fi hotspot. What is the
a_sh-v [17]

Answer:

The probability that among three randomly selected Internet​ users, at least one is more careful about personal information when using a public​ Wi-Fi hotspot is 0.964

If the survey subjects <em>volunteered</em> to​ respond , then those with the strongest opinions are most likely respond. The survey sample is then not randomly selected, the survey may have a <em>response bias.</em>

Explanation:

Let P(at least one is more careful about personal information when using a public​ Wi-Fi hotspot) denote the probability that among three randomly selected Internet​ users, at least one is more careful about personal information when using a public​ Wi-Fi hotspot, then we have the equation

P(at least one is more careful about personal information when using a public​ Wi-Fi hotspot) = 1 - P(none of the selected users is more careful about personal information when using a public​ Wi-Fi hotspot)

  • If 67​% of Internet users are more careful about personal information when using a public​ Wi-Fi, then 33% of them are not.

P(none of the selected users is more careful about personal information when using a public​ Wi-Fi hotspot) = 0.33^{3} ≈ 0.036

P(at least one is more careful about personal information when using a public​ Wi-Fi hotspot)  = 1 - 0.036 = 0.964

4 0
3 years ago
Identify the operation which is NOT one of the parts of the fivebasic set operations in relational algebra?
wariber [46]

Answer:

Join

Explanation:

Five basic set operators in relational algebra are as follows:

  • Selection - tuple selection
  • Projection - extract columns
  • Cartesian product - cross product of relations
  • Set union - union of two relations
  • Set difference - minus operation on two relations

As we can see, Join is not part of the basic set operations but it is implemented using the Cartesian Product operator.

5 0
3 years ago
Given public class Fishing { byte b1 = 4; int i1 = 123456; long L1 = (long) i1; //Line A short s2 = (short) i1; //Line B byte b2
Aleksandr [31]

Answer:

Line E.

Explanation:

The  given program is as follows:

public class Fishing {

   byte b1 = 4; int i1 = 123456; long L1 = (long) i1;   //Line A

   short s2 = (short) i1;     //Line B

   byte b2 = (byte) i1;     //Line C

   int i2 = (int)123.456;    //Line D

   byte b3 = b1 + 7;     //Line E

   }

In the above code Line E will not compile and give following compilation error:

error: incompatible types: possible lossy conversion from int to byte

This error is coming because in Java b1 + 7 will be interpreted as int variable expression. Therefore in order to make code of Line E work the expression should be type casted as byte.  

The correct code will be as follows:

public class Fishing {

   byte b1 = 4; int i1 = 123456; long L1 = (long) i1;   //Line A

   short s2 = (short) i1;     //Line B

   byte b2 = (byte) i1;     //Line C

   int i2 = (int)123.456;    //Line D

   byte b3 = (byte)(b1 + 7);     //Line E

   }

5 0
3 years ago
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