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Romashka-Z-Leto [24]
3 years ago
5

Teachers are being trained to standardized the scores they give to students' essays. The same essay was scored by 10 different t

eachers at the beginning and at the end of their training. The results are shown in the tables.

Mathematics
1 answer:
evablogger [386]3 years ago
5 0
What do you want solved?
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A region with a 5-mile radius has a population density of about 3100 people per square mile. Find the number of people who live
Gwar [14]

Answer:

243,000 people

Step-by-step explanation:

First, what we need to do is to calculate the area of the region using the 5-mile radius

Mathematically, we can calculate this as the area of a circle

Area = pi * r^2

Our r here is 5 miles

Area = pi * 5^2 = pi * 25 = 78.54 square miles

Now to get the population, we know that per square mile we have 3,100.

Hence per 78.54 square mile, we have 78.54 * 3100 = 243,273 people

To the nearest thousand, 243,000

4 0
3 years ago
Please explain and ANSWER this question for BRAINLIEST!
pogonyaev

Answer:

155 in^{2}

Step-by-step explanation:

Hope this work helps

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2 years ago
Rectangle has a vertices at (-1,4), (-1,-1) and (4, -1) where is the fourth vertex located
erica [24]

Answer:

(4,4)

Step-by-step explanation:

1. I drew a grid and plotted the 3 points I already knew

2. I found the spot that had the same x coordinate that the point to the bottom left of the shape, and the same y coordinate of the top right of the shape which was the point (4,4)

I hope this helps!!

3 0
3 years ago
What is two plus two
Olenka [21]

Answer:

2+2=4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which value is a solution of the equation 2-8x=-6 ? ( 1point )
OleMash [197]
<span>Here the given equation is : 2-8x= -6 By bring -6 on the Left Hand size and taking 8x on the Right Hand side, the equation become. 2+6= 8X 8= 8X X=8/8 X=1 Hence value of X is 1. Hence correct option is A.</span>
5 0
3 years ago
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