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VMariaS [17]
3 years ago
7

Can you help please no links or point stealing or I will report

Mathematics
2 answers:
valentina_108 [34]3 years ago
5 0

1.A school assembly has 179 students in it. Nine teachers escort "k" number of

students out of the assembly, until there are 26 students remaining.

2. a i guess

hjlf3 years ago
5 0
First dude got it right
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A student writes an incorrect step while checking if the sum of the measures of the two remote interior angles of triangle ABC b
blsea [12.9K]
The correct answer is A.  All triangles' interior angles equal 180.
5 0
3 years ago
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A mathematics book has 360 pages, of which 50% are on algebra, 20% on geometry and the remainder on arithmetic how many pages ar
Arte-miy333 [17]

Answer:

30% of the pages are arithmetic, or 108 pages

Step-by-step explanation:

50% are on algebra = 180 pages

360 x .5 = 180

20% are on geometry = 72 pages

360 x .2 = 72

30% are on arithmetic = 108

180 + 72 + 108 = 360 pages

50% + 20% + 30% = 100%

6 0
3 years ago
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
How many inches are in 508 centimeters? 1 in. = 2. 54 cm Enter your answer in the box.
devlian [24]

Answer:

1,290.32

Step-by-step explanation:

508 x 2.54

7 0
3 years ago
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I do not understand this problem helpppppp
Mademuasel [1]

Answer:

same I'm with u!?

Step-by-step explanation:

I need help on that to pls help smart person I no ur out the some were hurry pls :(

7 0
3 years ago
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