25
The triangle given by 9, unknown, and 15 and the triangle given by 15, unknown, and x are similar triangles and therefore 9:15 = 15:x
X is 25 in this case
Answer:
x=3
Step-by-step explanation:
29-3x=5x+5
29=5x+5+3x
29=8x+5
29-5=8x
24÷8=x
3=x
5/6 because 5/6=0.80 and 2/3=0.66
Answer:
see below
Step-by-step explanation:
1. yes
2. no, 4.82 x 10^4
3, no, 9.9 x 10^-4
4. no, 3.6 x 10^6
5. yes
6. no, 7.8 x 10^-4