Explanation

Jean Piaget introduced the concept that children progress through developmental stages as they encounter uncertainty and adjust their worldview to reduce mental discomfort, a process known as cognitive development.

Piaget's theory focuses on how children actively construct their understanding of the world through stages of cognitive development.

Explanation

Given equation:

0.5x + 1.1 = 2.3

Step-by-step:

Subtract 1.1 from both sides:

0.5x = 2.3 - 1.1 = 1.2

Divide both sides by 0.5:

x = 1.2 ÷ 0.5 = 2.4

Explanation

The tunic was a common garment worn by both men and women in ancient Rome.

It was a simple, knee-length piece of clothing, often belted at the waist.

Explanation

"With respect to" means concerning or regarding something.

It fits the context of linking the theory to its relevance to modern technology.

Explanation

"Raining cats and dogs" is a metaphor.

It compares the intensity of the rain to something chaotic without using "like" or "as."

Explanation

Magnetic field lines around a straight current-carrying wire are circular, not straight.

They form concentric circles around the wire as per Right-Hand Rule.

Explanation

Imagery involves using detailed and sensory-rich language to evoke mental pictures and emotions in the reader's mind.

It appeals to the senses, helping the reader experience the scene, sounds, smells, or feelings described.

Explanation

Pressure is inversely proportional to area (Pressure = Force / Area), and the pointed end has a much smaller area.

Thus, the same force produces greater pressure at the pointed end, allowing it to pierce surfaces easily.

Explanation

Given:

ab + bc + ca = -4

a² + b² + c² = 17

Using the identity (a + b + c)² = a² + b² + c² + 2(ab + bc + ca):

(a + b + c)² = 17 + 2(-4)

= 17 - 8

= 9

a + b + c = ±√9

= ±3

Explanation

A complex sentence contains one independent clause and at least one dependent clause.

The sentence "If I fail to secure this job, I will launch my own startup" has a dependent clause ("If I fail to secure this job") and an independent clause ("I will launch my own startup").