Answer:
yeah pretty sure
Step-by-step explanation:
2 is y -1 is x
Answer:
A
Step-by-step explanation:
6/x* 5/(2x+1) = 30/ 2x^2+x
Answer: 243, 729
<u>Step-by-step explanation:</u>
1, 3, 9, 27, 81 is a geometric sequence where r = 3
a₁ = 1
a₂ = 1 x 3 = 3
a₃ = 3 x 3 = 9
a₄ = 9 x 3 = 27
a₅ = 27 x 3 = 81
To find the next two terms, multiply the previous term by 3:
a₆ = 81 x 3 = 243
a₇ = 243 x 3 = 729
Answer:
This week Beca will practice for 80 minutes for her 20 minutes piano lessons.
Step-by-step explanation:
Duration of Beca's practice for every 5 minutes lessons = 20 minutes
Duration of Beca's practice if she take 1 minute piano lesson:

So, duration of Beca's practice if she takes 20 minutes of piano lessons:

This week Beca will practice for 80 minutes for her 20 minutes piano lessons.
Answer:
10 1/4 - 2 2/4 = 37/4
Step-by-step explanation:
- 10 1/4 - 2 1/2
- 10*4+1/4 = 41/4
- (41/4) - 1 = 37/4
That answer!