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Ulleksa [173]
3 years ago
12

Enter the midpoint of the segment whose endpoints are (8, 5) and (−4, 16).

Mathematics
1 answer:
Klio2033 [76]3 years ago
5 0
The midpoint of a segment is:
(\frac{x1 + x2}{2} .\frac{y1 + y2}{2} )
( \frac{8 - 4}{2}. \frac{5 + 16}{2})
( \frac{4}{2} . \frac{21}{2} )
The midpoint is : (2, 10.5)
So; the answer is: (2, 10.5)
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Korvikt [17]
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2) A straight line is also 180°.
So the three angles in the triangle are 
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4 0
3 years ago
47/100+3/10+47/100=/100
ira [324]

Answer:

The total is 97/100

Step-by-step explanation:

47/100+3/100=50/100 (aka 1/2)

50/100+47/100=97/100

5 0
2 years ago
A ship leaves port at 1:00 P.M. and travels S35°E at the rate of 27 mi/hr. Another ship leaves the same port at 1:30 P.M. and tr
Len [333]

To solve this problem you must apply the proccedure shown below:

1. You must apply the Law of Cosines, as you can see in the figure attached. Then:

- The first ship travels at 27 mi/hr in for two hours. Therefore, the side a is:

a=(27 mi/hr)(2 hr)=54mi

- The second ship travels at 18 mi/hr for 1.5 hours. Therefore, the side b is:

b=(18mi/hr)(1.5hr)=27mi

- Now, you can calculate c:

c=\sqrt{54^{2}+27^{2}-2(54)(27)Cos(55)}=44 mi

The answer is: 44 miles

8 0
3 years ago
Marco paid $36.89 for 8.6 gallons of gas.  What is the price per gallon?
Semenov [28]
36.89 total divided by the 8.6 gallons he bought = 4.2 so the price per gallon would be $4.20
6 0
3 years ago
Read 2 more answers
A recent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 with a standard deviation of
KiRa [710]

To calculate the z-statistic, we must first calculate the standard error.

Standard error is standard deviation divided by the square root of the population. In this case, it is equal to 2.68.

The z-score is defined the distance from the sample to the population mean in units of standard error.

z = (195 – 208)/2.68 = -4.86

5 0
3 years ago
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