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seraphim [82]
2 years ago
12

For the following right triangle, find the side length x. Round your answer to the nearest hundredth. X, 18, and 10

Mathematics
1 answer:
konstantin123 [22]2 years ago
3 0

Answer:

152

Step-by-step explanation:

All segments in a triangle add to 180. 1

8+10+x=180

x=152

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If you start your homework at 4:00 and finish at 4:20 what is a fraction showing the time you spent on the clock
Ivahew [28]
20min/1hr, I believe.
8 0
3 years ago
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According to Scarborough Research, more than 85% of working adults commute by car. Of all U.S. cities, Washington, D.C., and New
tamaranim1 [39]

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:

CI=\bar x\pm z_{\alpha /2}\frac{\sigma}{\sqrt{n}}

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:

CI=\bar x\pm t_{\alpha /2,(n-1)}\frac{s}{\sqrt{n}}

Given:

\bar x=27.97\\s=10.04\\n=25\\t_{\alpha /2, (n-1)}=t_{0.01/2, (25-1)}=t_{0.005, 24}=2.797

*Use the <em>t</em>-table for the critical value.

Compute the 99% confidence interval as follows:

CI=27.97\pm 2.797\times\frac{10.04}{\sqrt{25}}\\=27.97\pm5.616\\=(22.354, 33.586)\\\approx(22.35, 33.59)

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

8 0
3 years ago
7^2+7^7 answer in exponential form
Helen [10]
It could also be 8.23592 x 10 ^ 5

5 0
2 years ago
Which of the following expressions represents the distance between -1/4 and 3/4?
Sliva [168]

Answer:

\large\boxed{C.\ \left|-\dfrac{1}{4}-\dfrac{3}{4}\right|}

Step-by-step explanation:

\text{The formula of a distance between x and y on a number line:}\\\\d=|b-a|=|a-b|\\\\\text{We have}\ a=-\dfrac{1}{4}\ \text{and}\ b=\dfrac{3}{4}.\ \text{The distance:}\\\\d=\left|-\dfrac{1}{4}-\dfrac{3}{4}\right|=\left|\dfrac{3}{4}-\left(-\dfrac{1}{4}\right)\right|

3 0
2 years ago
Read 3 more answers
Y’all pls help me :(
Ilia_Sergeevich [38]

Answer: B

Step-by-step explanation:

When you are multiplying exponents, if the base is the same, then you can directly add the exponents together.

We can see that both bases are 6. That means we can add the exponents.

3+\frac{1}{4}                             [common denominator]

\frac{12}{4}+\frac{1}{4}                            [add]

\frac{13}{4}

Now, we know that the answer will be 6^1^3^/^4.

6 0
3 years ago
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