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Deffense [45]
3 years ago
14

3. A town is 28 square miles in area. The

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
5 0

Answer:

The answer is C

Step-by-step explanation:

Because if u multiply 28 times 90 it will be 2,520 .

You how to round up the 5 to get 2,603.

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Given m//n find the value of x
Alecsey [184]

Answer:

x=151

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3 0
2 years ago
A car is speeding at 9595 miles per hour. How many meters per minute is the vehicle travelling?
sergejj [24]
This is the concept of rates, we are required to convert on rate to another. The We have been given a car that is speeding at 9595 mph, we are required to convert this to meters per minute;
Here we proceed as follows;
1 mile= 1609.34 miles/hour
1 hour= 60 min 
thus to convert from miles per hour to meters per minute we shall have:
speed=distance/time
our distance will be:
distance=9595*1609.34=15,441,617.3 meters
time=(60*1)=60 minutes
thus;
speed=15,441,617.3/60
speed=257,360.2882 meters per minuts
4 0
3 years ago
Line Segment AB has a slope of 1/3 and line segment CD has a slope of 1/3. This proves that
Elena L [17]

Answer:

3

Step-by-step explanation:

Parallel lines have equal slopes, thus

line AB is parallel to line CD

8 0
3 years ago
Suppose that you are an elementary school teacher and you are evaluating the reading levels of your students. You find an indivi
aleksklad [387]

Answer:

The child's reading level is at the 3.4th percentile.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

You do some research and determine that the reading rates for their grade level are normally distributed with a mean of 90 words per minute and a standard deviation of 24 words per minute.

This means that \mu = 90, \sigma = 24

You find an individual that reads 46.4 word per minute. At what percentile is the child's reading level?

The percentile is the p-value of Z when X = 46.4, multiplied by 100. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{46.4 - 90}{24}

Z = -1.82

Z = -1.82 has a p-value of 0.034.

0.034*100 = 3.4

The child's reading level is at the 3.4th percentile.

6 0
3 years ago
How do I write an algebraic equation for this word problem?
Doss [256]
Hi.

Please note that I haven't done much algebra.

4 more = 4 +

Twice as many than the runner up means 2 times the amount they ate (a variable) = 2n

So far we have 4 + 2n

Since it's an equation, we are going to know what it equals. In the problem, we find out that it's 11. So the equation looks like this:

4 + 2n = 11

If this didn't work out, please let me know.

~

I believe n = 3.5
7 0
3 years ago
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