Answer:
C. 7 and 24
Step-by-step explanation:
25^2 = 625
We need two lengths whose squares added together equal 625.
Try first an answer with a big number, such as choice C.
7^2 + 24^2 = 49 + 576 = 625
It works.
Answer: C. 7 and 24
On day one she starts of with 1 hour so it will be 1+30x. X being the number of days so by the seventh day Anna would practice for 240 minutes.
Answer:
x-2y/x
Step-by-step explanation:
x²-4xy+4y²/x²+xy-6y²÷x²+3xy/x²+6xy+9y² = x-2y/x
9.3 × 107 would be the scientific notation
Answer:
42.40705%
Step-by-step explanation:
(1 - (23/100)^(19/9) = 1 + r/100
0.57593 = 1 + r/100
r = 42.40705%