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iren [92.7K]
2 years ago
12

What are the coordinates of the centroid of a triangle with vertices at D (0,0), E(-8,

Mathematics
1 answer:
mash [69]2 years ago
5 0

Answer:A(-6, 0), B(-4, 4) and C(0, 2).

Step-by-step explanation:

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Joey's dog weighs 102.45 pounds. Jimmy's dog weighs 25.38 pounds less.
kari74 [83]

 1.Since 5 is less than 8, borrow 1 from the next column to make 15.



 2.Calculate 15 - 8, which is 7.


 3.Calculate 3 - 3, which is 0.

 4.Since 2 is less than 5, borrow 1 from the next column to make 12.


 5.Calculate 12 - 5, which is 7.


6..<span>Calculate 9 - 2, which is 7.</span>

7.<span>Therefore, 102.45 - 25.38 = 77.07.</span>
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2 years ago
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Cameras R Us has a sale for 25% off camera bags, which is a discount of $20. Explain how you can set up a diagram to find the or
Rasek [7]

Answer:

SAMPLE RESPONSE( The diagram should have five columns, one for each 25% and one for the total, because 25% is 1

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of 100%. It should have 2 rows, 1 for percents and 1 for dollar amounts.

Step-by-step explanation:

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Arnav was 1.5 m tall. In the last couple of years, his height has increased by 20% percent.
BlackZzzverrR [31]

Answer: Arnav is 1.8m

Step-by-step explanation: I multiplied 1.5 by 0.20 and then added that answer to 1.5 and then I got 1.8

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Dora buys one package each of 1- pound, 2- pound, and 4-pound packages if ground beef to make hamburgers. How many 1/4-pound ham
Alisiya [41]
82. Dora bought one package of each 1-pound pork, 2-pound pork and 4-pound pork. Thus, she got a total of: => 1 pound + 2 pounds + 4 pounds = 7 pounds of pork. Question: How many ¼ pound of hamburger she can make then with this given number of pork in pounds. => ¼ = 1 / 4 = .25 Now, let’s divide 7 pounds by .25 pounds => 7 / .25 = 28 Thus, She can make 28 hamburgers in all.
7 0
2 years ago
The scores on a statistics test had a mean of 81 and a standard deviation of 9. One student was absent on the test day and his s
Art [367]

Answer: E) Mean will decrease, standard deviation will decrease

Step-by-step explanation:

Initial mean = 81

Initial standard deviation = 9

New score = 78

Taking a look at the initial mean(averahe) score, which is 81 and the new score to be added to the initial scores, the initial average is greater than the new score. Hence, this will result in a decrease in the new mean score after adding the new score of 78.

Also, taking a look at the standard deviation which is 9, we can conclude that the variability in initial scores from the mean scores is high. However, the new score of 78 and the initial mean are very close, and tend to low variation. Hence, adding the new score will lead to a decrease in variability and hence a decrease in the value of standard deviation.

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