Answer:
15
Step-by-step explanation:
D=2l
D=l+15
Substitute
2l=l+15
L=15
Take out some of the x's and take out a two
2x^5(x2-2x-35)
2x5(x-7)(x+5)
x=0,7,-5
hope this helps!
2a + 21 = 8a - 9
Combine like terms.
2a + 21 = 8a - 9
-2a -2a
21 = 6a - 9
+9 +9
30 = 6a
6a/6 = 30/6
a = 5
Answer: a = 5
Answer:
1/3025
Step-by-step explanation:
Prob. of getting a 9 is 1/55; likewise for 41. multiply the 2 probs. together. (1/55)^2=1/3025≈0.00033057851