You could use flash lights, or lots of candles. Candles in the dark is truly beautiful.
Hey there!
Firstly, you need combine your like terms

stays the SAME 

- Combine the negative and the plus and make a negative symbol

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The shape of the window is a trapezoid, and the area of the window is 110.88 square feet
<h3>How to determine the area of the window?</h3>
The given parameters are:
- Long base = 15.2 feet
- Short base = 11.2 feet
- Perpendicular height = 8.4 feet
The shape of the window is a trapezoid.
So, the area is:
Area = 0.5 * (Long + Short) * Height
This gives
Area = 0.5 * (15.2 + 11.2) * 8.4
Evaluate
Area = 110.88
Hence, the area of the window is 110.88 square feet
Read more about areas at:
brainly.com/question/21735282
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Answer:
x = -5
Explanation:
4(2x + 10) = 0
[ Simplify both sides of the equation ]
4(2x + 10) = 0
(4)(2x) + (4)(10) = 0 [Distribute]
8x + 40 = 0
[ Subtract 40 from both sides ]
8x + 40 − 40 = 0 − 40
8x = −40
[ Divide both sides by 8 ]
8x / 8 = −40 / 8
x = -5
Answer:
The 99% confidence interval for the mean commute time of all commuters in Washington D.C. area is (22.35, 33.59).
Step-by-step explanation:
The (1 - <em>α</em>) % confidence interval for population mean (<em>μ</em>) is:

Here the population standard deviation (σ) is not provided. So the confidence interval would be computed using the <em>t</em>-distribution.
The (1 - <em>α</em>) % confidence interval for population mean (<em>μ</em>) using the <em>t</em>-distribution is:

Given:

*Use the <em>t</em>-table for the critical value.
Compute the 99% confidence interval as follows:

Thus, the 99% confidence interval for the mean commute time of all commuters in Washington D.C. area is (22.35, 33.59).