Answer:
use sin2A as 2sinAcosA and solve
Answer:
The answer is below
Explanation:
1. Marques de Rubí believed that Spain should carry out a well formidable borderline defense across the fifteen presidios. This would span about 100 miles apart, all the way from the Gulf of California to the edge of Guadalupe River in Texas.
Also, while he urged that San Antonio and Santa Fe be should be maintained, and East Texas should be vacated, he recommended war against the Lipan Apaches.
2. His report impact the Spanish occupation of Texas by making the Spanish government reinforce on San Antonio and later made it the new capital of Texas. They also made new Indian policy that enhances good relations with the tribes in the region
The correct answer is D. They become able to think logically in abstract situations.
Explanation:
In children development, the concrete operational stage takes place from 7 to 11 years old, during this time children are able to develop logical thinking but only in relation to concrete situation, additionally, they achieve reversibility which refers to numbers and objects being able to return to a former state and conservation that is the idea something might remain in the same state despite other related ideas or objects changing.
This means the one that is not true about the state of concrete operations is that children become able to think logically in abstract situations as during this stage children have difficulties to thnk abstractly and this is only achieved in formal operation stage which occurs after this stage.
