Answer: f(n)= -8.75 + 0.75n
Step-by-step explanation:
Answer:3^2
Step-by-step explanation:
<span>3x^2−2x+7=0
</span>3x^2−2x+1/3+7−1/3=<span>0
</span><span>3<span>(x^2−2x/3+1/9)</span>+7−1/3=0
</span><span>3<span><span>(x−1/3)^</span>2</span>+(21−1)/3=0
</span><span>3<span><span>(<span>x−1/3</span>)^</span>2</span>=−<span>20/3
</span></span><span><span>(<span>x−<span>1/3</span></span>)^</span>2</span>=−<span>20/9</span>
Answer:
(k + 5) (k + 2)
Step-by-step explanation:
k² + 7k + 10
k² + 2k + 5k + 10
k(k + 2) + 5(k + 2)
(k + 5) (k + 2)
Number 2
Answer: 2 1/4
Number 4
Answer: 3 1/4
