<span><span>(<span><span>2x</span>−9</span>)</span><span>(<span><span>4x</span>+1</span>)</span></span><span> =<span><span>(<span><span>2x</span>+<span>−9</span></span>)</span><span>(<span><span>4x</span>+1</span>)</span></span></span><span> =<span><span><span><span><span>(<span>2x</span>)</span><span>(<span>4x</span>)</span></span>+<span><span>(<span>2x</span>)</span><span>(1)</span></span></span>+<span><span>(<span>−9</span>)</span><span>(<span>4x</span>)</span></span></span>+<span><span>(<span>−9</span>)</span><span>(1)</span></span></span></span><span> =<span><span><span><span>8<span>x^2</span></span>+<span>2x</span></span>−<span>36x</span></span>−9</span></span><span> Answer: <span><span><span>8<span>x^2</span></span>−<span>34x</span></span>−<span>9</span></span></span>
Answer:
Step-by-step explanation:
As per given , we have
n=11
df = 11-1=10
Since population standard deviation is unknown , so we use t-test.
Critical t-value :
Confidence interval for population mean :_
Hence, the 95% confidence interval for his mpg =
24/3 - 11/3 = 13/3
simplified it's 4 1/3
Answer:
x=-16
Step-by-step explanation:
set the equation equal to each other then solve