1. "<span>The corresponding sides of (triangles) abc and def have equal lengths.</span>" means that the triangles are congruent, that is exactly identical, by the Side Side Side (SSS) postulate.
2. 2 congruent triangle, have equal area
3. A(DEF)=A(ABC)=4 square units
Answer: 4 units squared
For a) Tony is right, because according to the picture, there're five columns and the shadow occupies two of the five columns, which means 2/5
For b) The fraction should be 4/10.
Given that t<span>he
native bird population in a city is decreasing at a rate of 10% per
year due to industrialization of the area by humans. The population of
native birds was 14,000 before the decrease began.
Thus f(1) = 14,000 and
f(n) = (1 - 0.1)f(n - 1) = 0.9f(n - 1)
Thus,
f(2) = 0.9f(1) = 0.9(14,000) = 12,600
f(3) = 0.9f(2) = 0.9(12,600) = 11,340
Therefore, After 3 years, 11,340 birds will remaiin.
</span>
Answer:
go to google
Step-by-step explanation:
go online and type google
Answer:
Step-by-step explanation:
D. 18 1/5 +22 2/5 +40 1/5
-(-22 2/5) and -(-40 1/5) -----> -*- will become +