Answer:
40 terms
Step-by-step explanation:
the sum to n terms of an arithmetic sequence is
= 
(a₁ + 
)
then
(- 4 - 82) = - 1720 ( multiply both sides by 2 to clear the fraction )
- 86n = - 3440 ( divide both sides by - 86 )
n = 40
the series has 40 terms
Answer:
b because y=x and b is in the specified area of within and i took the test a week ago.
Step-by-step explanation:
Answer:
3.3166
Step-by-step explanation:
use calc
The answer is A. 15x+33.
Let's simplify step-by-step.<span><span>5<span>(<span><span>3x</span>+3</span>)</span></span>+18</span>Distribute:<span>=<span><span><span><span>(5)</span><span>(<span>3x</span>)</span></span>+<span><span>(5)</span><span>(3)</span></span></span>+18</span></span><span>=<span><span><span>15x</span>+15</span>+18</span></span>Combine Like Terms:<span>=<span><span><span>15x</span>+15</span>+18</span></span><span>=<span><span>(<span>15x</span>)</span>+<span>(<span>15+18</span>)</span></span></span><span>=<span><span>15x</span>+<span>33</span></span></span>
Answer:
60
Step-by-step explanation:
using the rule of radicals
× 
= 
given
3
× 5
= 3 × 5 × ×
= 15 × 
= 15 × 4
= 60
