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2 years ago

Exercise 2.14.4: Geometry 2.0

Computers and Technology

1 answer:

d1i1m1o1n [39]2 years ago

3 0

Answer:

Explanation:

One group of students did an experiment to study the movement of ocean water. The steps of the experiment are listed below.

Fill a rectangular baking glass dish with water.

Place a plastic bag with ice in the water near the left edge of the dish.

Place a lighted lamp near the left edge of the dish so that its light falls directly on the plastic bag.

Put a few drops of ink in the water.

The student did not observe any circulation of ink in the water as expected because the experiment had a flaw. Which of these statements best describes the flaw in the experiment? (2 points)

Not enough ink was added.

Not enough water was taken.

The dish was too small for the experiment.

The lamp and the ice bag were at the same place.

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10 months ago

Describe a strategy for avoiding nested conditionals. Give your own example of a nested conditional that can be modified to beco

Alina [70]

Answer:

plz like and rate and mark for brainlist

Explanation:

Give your own example of a nested conditional that can be modified to become a single conditional, and show the equivalent single conditional. Do not copy the example from the textbook. The best strategy for avoiding nested conditionals is to use logical operators like: and, or, not.

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2 years ago

What is the value of ans after the following code has been executed? int x = 35; int y = 20, ans = 80; if (x < y); ans = y; g

Sauron [17]

100

After the following code has been executed, the value of ans is 100:

int x = 35;

int y = 20;

ans = 80;

if (x < y) {

ans += y;

}

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1 year ago

Which manufacturing industry makes semiconductors that are used in a variety of systems?

aleksley [76]

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2 years ago

Draw directed graphs representing relations of the following types.

mixas84 [53]

Answer:

The first graph in the picture describes a relation that is (a) Reflexive, transitive, and anti-symmetric.

Because a, b, c, d all are related to itself, so reflexive.

where (a, b) and (b, d) are in the relation, (a,d) is in the relation,

for (c,a) and (a,b) there is (c,b).

so it's transitive.

for all a,b in the relation, (a,b) there is no (b,a) with a ≠b.

The second graph in the picture describes a relation that is (b) Reflexive, transitive, and neither symmetric nor anti-symmetric.

Because a, b, c, d all are related to itself, so reflexive.

where (a, b) and (b, a) are in the relation, (a,a) is in the relation,

where (c, d) and (d, d) are in the relation, (c,d) is in the relation,

so it's transitive.

Because, (a,b) and (b.a) are there, but for (c,d) there is no (d,c) in relation.

So, the relation is not symmetric.

(a,b) and (b,a) is in relation but, a≠b, so not anti symmetric.

Explanation:

For all a in a set, if (a,a) in a relation then the relation is reflexive.

For all (a,b) in relation R, if (b,a) is also in R, then R is symmetric.

For all (a,b), (b,c) in relation R, if (a,c) is also in R, then R is transitive.

For all (a,b), (b,a) in R, a = b, then R is an anti- symmetric relation.

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2 years ago