Answer:
You can delete my answer I just want points
Step-by-step explanation:
Answer: 49 cm² and 16 cm²
Step-by-step explanation:
1. If the triangles are similar and the ratio of the perimeter os 4:7, then the areas are in the following ratio:

2. You know that the sum of their areas is 65 cm², then, you can calculate the area of the larger triangle as following:

3. The area of the smaller triangle is:

Answer:
no se pregúntale a otro gracias
9514 1404 393
Answer:
k > 9/20
Step-by-step explanation:
If the parabola does not touch the x-axis, the discriminant is negative. That means ...
b^2 -4ac < 0
(-3)^2 -4(5)(k) < 0
9 < 20k . . . . . . . . . add 20k
k > 9/20 . . . . . . . . .divide by 20
Answer:
14 i think
Step-by-step explanation: