Can I get a picture to help you out
Answer:
-14.2, -7.8, 12.6, 15.3
Step-by-step explanation:
Answer:
125
Step-by-step explanation:
For arithmetic sequence: aₙ = a₁ + (n-1)d Sₙ = n/2 * (a₁ + aₙ)
a1+a4+a7+a10 = a₁ + (a₁ + 3d) + (a₁ + 6d) + (a₁ + 9d) = 4a₁ + 18d = 2 * (2a₁ + 9d)
2 * (2a₁ + 9d) = 50
2a₁ + 9d = 25
a1+a2+a3...+a10 = 10/2 * (a₁ + a₁₀) = 5 * (a₁ + a₁ + 9d) = 5 * (2a₁ + 9d)
a1+a2+a3...+a10 = 5 * 25 = 125
Answer:
hello little kid im gonna yeach you about plasma plasma a state of matter but people don't use it that much plasma is form by atoms I think but yea your welocme
6000 / 15 = 400
400 * 2 = 800
She can ride 800 metres in 2 minutes.